CN104520525A - Latch body components having multiple functions, and drilling head assembly incorporating same - Google Patents
Latch body components having multiple functions, and drilling head assembly incorporating same Download PDFInfo
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- CN104520525A CN104520525A CN201280074418.6A CN201280074418A CN104520525A CN 104520525 A CN104520525 A CN 104520525A CN 201280074418 A CN201280074418 A CN 201280074418A CN 104520525 A CN104520525 A CN 104520525A
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- lock body
- breech lock
- fluid
- chamber
- check valve
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- 238000005553 drilling Methods 0.000 title abstract description 36
- 230000006870 function Effects 0.000 title description 4
- 239000012530 fluid Substances 0.000 claims abstract description 122
- 230000000903 blocking effect Effects 0.000 claims abstract description 19
- 230000013011 mating Effects 0.000 claims description 16
- 238000004891 communication Methods 0.000 claims description 6
- 230000000712 assembly Effects 0.000 claims 10
- 238000000429 assembly Methods 0.000 claims 10
- 230000001737 promoting effect Effects 0.000 abstract 1
- 241001074085 Scophthalmus aquosus Species 0.000 description 38
- 230000007246 mechanism Effects 0.000 description 29
- 238000000034 method Methods 0.000 description 7
- 230000008859 change Effects 0.000 description 5
- 230000005484 gravity Effects 0.000 description 5
- 230000006872 improvement Effects 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000008901 benefit Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000003801 milling Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 208000011580 syndromic disease Diseases 0.000 description 1
- 238000012549 training Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
- E21B21/10—Valve arrangements in drilling-fluid circulation systems
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B25/00—Apparatus for obtaining or removing undisturbed cores, e.g. core barrels or core extractors
- E21B25/02—Apparatus for obtaining or removing undisturbed cores, e.g. core barrels or core extractors the core receiver being insertable into, or removable from, the borehole without withdrawing the drilling pipe
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/09—Locating or determining the position of objects in boreholes or wells, e.g. the position of an extending arm; Identifying the free or blocked portions of pipes
- E21B47/095—Locating or determining the position of objects in boreholes or wells, e.g. the position of an extending arm; Identifying the free or blocked portions of pipes by detecting an acoustic anomalies, e.g. using mud-pressure pulses
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Mechanical Engineering (AREA)
- Geophysics (AREA)
- Acoustics & Sound (AREA)
- Check Valves (AREA)
- Drilling Tools (AREA)
Abstract
A latch body for use in a drilling head assembly including a fluid control subassembly, a check valve element, and/or a hollow spindle. A distal end portion of the latch body includes a port section that defines a chamber for receiving the check valve element and promoting movement of the check valve element between a blocking position and an open position. The hollow spindle of the fluid control subassembly is operatively coupled to the chamber of the port section and supports the check valve element in the blocking position. A proximal end portion of the latch body supports the fluid control subassembly of the drilling head assembly in an operative position. The latch body includes male protrusions extending inwardly toward and spaced from a longitudinal axis of the latch body. A plurality of channels extend radially outwardly from the longitudinal axis of the latch body, spanning between adjacent male protrusions.
Description
Invention field
The application relates generally to drilling equipment and method, and more specifically relates to for control flow check through boring equipment and the method for the fluid of core tube head assembly.
Background of invention
Need a kind of brill core tube head assembly that the rate of release of improvement is provided during dropping to drill string.Therefore, need the brill core tube head assembly of the mechanism comprised for carrying out following object: (a) allows stationary fluid to pass through interior pipe, tube head assembly to be discharged into period minimizing resistance in well, (b) is preventing from managing and damaging in the inflow of drilling well supply liquid boring core product simultaneously.
The brill core tube head assembly also needing the fluid providing improvement during all drilling conditions to control.Therefore, the brill core tube head assembly of the mechanism comprised for carrying out following object is needed: reliably create the pressure change signal that can be detected by drilling operator; And guarantee that the fluid between rig and drill bit is communicated with, especially during " leakage " condition, now key will avoid fluid pressure loss.
Conventional brill core tube head assembly is not equipped with the mechanism meeting all these needs in single component configuration, and can not meet all these needs.On the contrary, need multiple configuration, thus add manufacture, the cost of stock's technology and training operator and complexity.Therefore, the single brill core tube head arrangement of components being configured to provide the fluid of the rate of release of improvement and improvement to control under all drilling conditions is needed in association area.
Brief summary of the invention
Describe a kind of for the breech lock body in drill bit assembly herein.Drill bit assembly can comprise fluid and control sub-component, check valve element, and/or hollow spindle.Breech lock body can have the longitudinal axis, longitudinal length, close end, and distal portion.Breech lock body can limit centre bore, and described centre bore extends through close end and the distal portion of breech lock body along the longitudinal length of breech lock body.
The distal portion of breech lock body can comprise port part, and described port part limits the chamber be communicated with bore fluid.Port part also can limit at least one port with chamber in fluid communication.The chamber of port part can be configured to the check valve element of reception drill bit assembly at least partially.The chamber of port part can have inner surface, described inner surface be configured to promote check valve element wherein block fluid flow cross between the blocking position at least partially of the chamber of port part and the open position wherein allowing fluid to flow through chamber and move.The hollow spindle of fluid control sub-component operationally may be couple to the chamber of port part, and is set to the chamber in fluid communication with port part.Hollow spindle can be configured to check valve element to be supported on blocking position.Breech lock body also can comprise the spring be contained at least in part in the chamber of port part, and described spring is configured to check valve element to be biased in blocking position.
The close end of breech lock body can be configured to that the fluid of drill bit assembly is controlled sub-component and be supported on operating position.Fluid controls sub-component can have the longitudinal axis common with breech lock body.Fluid controls sub-component can comprise the valve member being configured to the movement carried out relative to common longitudinal.Fluid controls sub-component also can comprise spring, and described spring is set to the close end of adjacent valve member and breech lock body, and spring is biased against valve member.
Breech lock body can comprise multiple male protrusions, described male protrusions inwardly breech lock body the longitudinal axis extend and spaced apart with the longitudinal axis of breech lock body.Each projection in multiple male protrusions can have the front end separating selected distance with the longitudinal axis of breech lock body.Breech lock body also can comprise the multiple passages extended radially outwardly from the longitudinal axis of breech lock body.Each passage in multiple passage can cross over the front end of adjacent male protrusions.
Also the method using described breech lock body and drill bit assembly is disclosed.
Accompanying drawing is sketched
These and other feature of the preferred embodiments of the invention becomes more apparent by reference to the detailed description of the invention of accompanying drawing, in the accompanying drawings:
Fig. 1-Fig. 3 is the partial section of exemplary drill bit assembly as described herein.The cross section of some elements of exemplary drill bit assembly is shown, the partial cut-away perspective view of the far-end 16 of the breech lock body 10 of exemplary drill bit assembly is shown simultaneously.Hacures shown in Fig. 1-Fig. 3 are in order to show orientation and the morphology of the various parts of exemplary drill bit assembly.
Fig. 1 display has spring and is biased the exemplary drill bit assembly that fluid controls sub-component and spring biased check valve element.
Fig. 2 display has spring and is biased the exemplary drill bit assembly that fluid controls sub-component and gravity biased check valve element.
Fig. 3 display has the exemplary drill bit assembly that fluid resistance is biased fluid control elements and gravity biased check valve element.
Fig. 4 is the partial section of the exemplary breech lock body as described herein with multiple male protrusions, multiple passage and port part.This partial section intercepts along the line 4-4 of Fig. 6 and Fig. 7 B.
Fig. 5 is the partial section of another exemplary breech lock body as described herein with multiple male protrusions, multiple passage and port part.This partial section intercepts along the line 5-5 of Fig. 7 A.
Fig. 6 is the phantom drawing of the partially transparent of the breech lock body of Fig. 4.
Fig. 7 A is top (near-end) phantom drawing of the breech lock body of Fig. 5.
Fig. 7 B is top (near-end) phantom drawing of the breech lock body of Fig. 4.
Detailed description of the invention
By with reference to following detailed description of the invention, example, accompanying drawing and claims, and before it and following description more easily understand the present invention.But, disclosing and before describing this equipment, system and/or method, should be understood that the present invention is not limited to disclosed concrete equipment, system and/or method, unless otherwise prescribed, and therefore, the certain alterable of the present invention.Also should be understood that term used herein is only the object in order to describe particular aspects, and be not intended to for restrictive.
The following description of the present invention is provided as the instruction that the present invention can be implemented in the embodiment of its best known at present.For this reason, various equivalent modifications is by understanding and understand, and can carry out many changes, and still obtain beneficial outcomes of the present invention to various aspect of the present invention described herein.Also will be apparent, expectation benefits more of the present invention do not utilize further feature to obtain by selecting features more of the present invention.Therefore, this area staff will recognize, many amendments of the present invention and adjustment are possible, and may be even desirable in some cases and be a part of the present invention.Therefore, below describe and be provided to principle of the present invention is described, instead of be limited.Such as, although below describe the well system concentrated in order to by boring core-pipe subassembly release turnover drill string, but the part of described system can use with any suitable down-hole or aboveground instrument, such as bore core product orientation measureing equipment, well direction measuring device, borehole throw equipment, or other suitable down-hole any or aboveground object.
As used in the whole text herein, singulative " (a/an) " and " being somebody's turn to do " comprise plural reference, unless the context.Therefore, such as, mention that " managing in one " can comprise two or more interior pipe like this, unless context indicates in addition.
Scope can be expressed as from " about " particular value and/or to " about " another particular value herein.When such a range is expressed, comprise from a particular value and/or to another particular value on the other hand.Similarly, when numerical value is by using antecedent " about " to be expressed as approximation, will understand, described particular value is formed on the other hand.Should understand further, two end points of each scope are important relative to another end points, and independent of another end points described.
As used herein, term " optional " or " optionally " refer to that the event that describes subsequently or situation may occur or may not occur, and this description comprises the situation that described event or situation wherein occur and do not occur.
Word "or" as used herein represents any one composition in particular list, and comprises any combination of composition of this list.
As used herein, term " release (trip/tripping) " refers to the time period during following drillng operation: the interior pipe assembly (not containing sample) of (a) sky is advanced to boring, until interior pipe assembly arrives bottom and/or the end of well; Or (b) full interior pipe assembly (containing sample) is fetched from the bottom of well and/or end.Such as, release can refer to that empty interior pipe assembly falls into and/or fall into into the well of downward angle, until interior pipe assembly arrives drilling well position; Pipe assembly in sky is pumped into the well of inclination, until interior pipe assembly arrives drilling well position; And wirerope from drilling well position fetch full in pipe assembly, until interior pipe assembly exits well.In exemplary application, interior pipe assembly can comprise tube head assembly, interior pipe, brill core extractor and housing.
Describe for the breech lock body 10 in drill bit assembly 100 with reference to Fig. 1-Fig. 7 B herein.In illustrative aspects, drill bit assembly 100 can have fluid and control sub-component 60, check valve element 40, and/or hollow spindle 50.Although drill bit assembly 100 can comprise any suitable parts, in exemplary configuration, the outer brill core-pipe subassembly that drill bit assembly can comprise drill string, comprise the interior brill core-pipe subassembly of interior brill core pipe, comprises outer brill core pipe, and be connected to cable fetch instrument.As described herein, breech lock body 10 can comprise interior brill core-pipe subassembly and outer brill core-pipe subassembly.
Drill string can comprise one or more parts of the tube drilling rod being joined together to form long tubular strings.Drill string can have any suitable characteristic known in the art.Such as, drilling rod can have any suitable length according to different probings application.Segment of drillpipe also can have any suitable cross section wall thickness.Can expect, in drill string, at least one part of drilling rod can have a vicissitudinous cross section wall thickness.
Drill string may be directed at any angle, and no matter comprise and the horizontal surface Cheng Congyue 30 degree extremely angle of scope of about 90 degree, be for aboveground drilling technology or for downhole drill technique.In fact, when drill bit assembly 100 is used in conjunction with drilling fluid in downhole drill technique, can expect, downward angle can help to retain some drilling fluids in the bottom of boring.In addition, can expect, use can be allowed to fetch instrument for downward angle and cable bores core pipe in drill string release.
Interior brill core pipe can have and allows it down-hole object (such as, sample cell) to be connected any characteristic or the parts that down-hole object can be released pass in and out drill string with the instrument of fetching.Such as, interior brill core pipe can comprise and fetching a little.The fetching of interior brill core pipe a little can have allow its be optionally attached to any fetch instrument (such as but not limited to, fishing socket assembly and/or wirerope crane) any characteristic.Such as, fetch and some shape can resemble lance point to contribute to instrument of fetching a little correctly aim at and couple with fetching.In another example, when will hole outside handle fetch instrument and interior brill core pipe time, can expect, fetch and be a little attached to interior brill core pipe pivotly, so as in a plane with multiple stop position pivotable.
In illustrative aspects, breech lock body 10 can be the lower latch body being configured to operate the upper latch body being couple to drill bit assembly 100.In these areas, upper latch body can comprise fluid control sub-component 60.Can expect, upper latch body also can comprise bolt lock mechanism, and when filling brill core QC, brill core QC can be remained on desired locations relative to outer brill core pipe by described bolt lock mechanism.In order to not hinder interior brill core pipe to move in drill string, can expect, bolt lock mechanism can be configured such that breech lock does not pull against the inner surface of drill string.Correspondingly, this non-bolt lock mechanism that pulls can be and allows it to perform this at deenergized period to keep function and not against any bolt lock mechanism that the inner surface of drill string pulls.Such as, bolt lock mechanism can comprise fluid drive bolt latch mechanism, gravity-actuated bolt lock mechanism, pressure activation bolt lock mechanism, contact activated mechanism, magnetic actuation bolt lock mechanism etc.Therefore, in some respects, bolt lock mechanism by electronics or magnetic sub-systems, the valve member that driven by the hydraulic pressure difference of above bolt lock mechanism and/or below, or is activated by another suitable actuating mechanism.
Bolt lock mechanism also can comprise and allows it to perform its expection any parts of object or feature.Such as, bolt lock mechanism can comprise latch arms, breech lock roller, breech lock ball, the multi-part connecting rod of any number, or is configured to any mechanism when interior brill core pipe is positioned in operating position, bolt lock mechanism being moved into the position of engagement.Can expect, bolt lock mechanism can comprise the stop mechanism helping bolt lock mechanism to be remained on engagement or retracted position.Further contemplate that, described stop mechanism can help to keep bolt lock mechanism during drilling well, contact the inner surface of drill string.Stop mechanism also can help bolt lock mechanism to keep retracting, not contact the inner surface of drill string and pull against the inner surface of drill string during any release movement.
In various, can expect, breech lock body 10 can comprise any parts or characteristic that are suitable for being used in conjunction with interior brill core pipe.In one aspect, and reference Fig. 1-Fig. 5, breech lock body 10 can have longitudinal axis L, longitudinal length 12, close end 14, and distal portion 16.In this, can expect, the close end 14 of breech lock body 10 can limit the near-end 15 of breech lock body.Further contemplate that, the distal portion 16 of breech lock body 10 can limit the far-end 17 of breech lock body.As Fig. 6-Fig. 7 B illustrates, can expect, longitudinal axis L can be arranged in breech lock body 10 between two parties by the longitudinal length 12 along breech lock body.On the other hand, breech lock body 10 can limit centre bore 18, and centre bore 18 extends through close end 14 and distal portion 16 along the longitudinal length 12 of breech lock body.Such as, can expect, the centre bore 18 of breech lock body 10 can extend along the whole longitudinal length 12 of breech lock body (between the near-end 15 and the far-end 17 of breech lock body of breech lock body).Further contemplate that, when breech lock body 10 corresponds to lower latch body, the centre bore 18 of breech lock body 10 can with the complimentary aperture of upper latch body and/or passage.In use, can expect, the centre bore 18 of breech lock body boosts productivity by allowing fluid directly to flow through breech lock body 10.
In yet another aspect, and reference Fig. 1-Fig. 5, the distal portion 16 of breech lock body 10 can comprise port part 30.In this, port part 30 can limit the chamber 32 be communicated with centre bore 18 fluid of breech lock body.Port part 30 also can limit at least one port 34 be communicated with chamber 32 fluid.In illustrative aspects, can expect, the port 34 at least one port can be configured to increase passing through of heavier drilling fluid, and this is favourable under constant not good formation condition.Further contemplate that, the port 34 at least one port can be configured to increase provides drilling fluid to drive the speed of cutting.Still can further contemplate that, the port part 30 of breech lock body 10 can comprise be configured to tolerate high static and cyclic loading (such as but not limited to, the vibration experienced during drillng operation and shock loading) one or more materials.
In illustrative aspects, can expect, the chamber 32 of port part 30 can be configured to the check valve element 40 of reception drill bit assembly 100 at least partially.Therefore, in these areas, check valve element 40 is arranged in breech lock body 10, thus no longer needs usual visible " check valve body " separately in prior art.An illustrative aspects, check valve element 40 can be ball valve.But can expect, check valve element 40 can be the check valve element of any routine providing fluid handling properties described herein.
In one aspect, the port 34 at least one port of valve body 10 can be moulding, exits from port to prevent check valve element 40.Such as, in this, can expect, the port 34 at least one port can have the diameter of the external diameter (or other external dimensions) being less than check valve element 40.
Alternatively, in various, the chamber 32 of port part 30 can have inner surface, described inner surface be configured to promote check valve element 40 wherein block fluid flow cross between the blocking position at least partially of chamber and the open position wherein allowing fluid to flow through chamber and move.In illustrative aspects, can expect, the distal portions of the inner surface of chamber 32 can have frustum of a cone profile substantially, and wherein inner surface slopes inwardly relative to the longitudinal axis L of breech lock body 10, thus moves on to the far-end 17 of breech lock body from the near-end 15 of breech lock body.Alternatively, in this, the distal portions of the inner surface of chamber 32 can slope inwardly with the angle being less than about 40 degree relative to the longitudinal axis L of breech lock body 10.In this, further contemplate that, the distal portions of the inner surface of chamber 32 can be configured to the resistance minimizing check valve element 40 movement when gravity moves check valve element to blocking position from open position.At blocking position, can expect, check valve element 40 can form Fluid Sealing with the distal openings of chamber 32, and described distal openings is communicated with the centre bore 18 of breech lock body 10.Can expect, the open position of check valve element 40 may correspond in allowing stationary fluid to flow through breech lock body 10 to reduce the position of the check valve element of resistance at deenergized period.Further contemplate that, at any open position, the resistance that fluid passes through around check valve element can be substantially the same.Still can further contemplate that, the blocking position of check valve element 40 may correspond to and flows into brill core QC in preventing drilling well from supplying liquid thus keep boring core product in the position of boring the check valve element in core QC.
In illustrative aspects, check valve element 40 can allow fluid to flow to centre bore 18 from brill core QC, simultaneously anti-fluid therefrom central hole flow to and bore core QC.Correspondingly, check valve element 40 can be configured to allow fluid inflow centre bore 18 then to flow through interior brill core pipe when interior brill core pipe is discharged into drill string and when boring core QC and being empty.Like this, can expect, fluid resistance can be reduced, thus bores core pipe in allowing by sooner and be more easily discharged into drill string.On the other hand, when interior brill core pipe is released drill string, can expect, check valve element 40 anti-fluid can press downwards or damage the brill core product boring and contain in core QC.Therefore, check valve element 40 can prevent sample from coming off or losing.Further contemplate that, when the anti-fluid of check valve element 40 flows through breech lock body 10 and enters brill core QC (at blocking position), fluid can be forced in the exterior circumferential flowing of boring core QC and breech lock body 10.Still can further contemplate that, when check valve element 40 is at blocking position, it can be configured to prevent and/or minimize washing or the erosion damage to boring core product.
Alternatively, in other, and illustrate as Fig. 1, breech lock body 10 also can comprise the spring 36 be contained at least in part in the chamber 32 of port part 30.In these areas, spring 36 can be configured to check valve element 40 to be biased in blocking position.Can expect, during downhole drill, gravity can guarantee the suitably biased of check valve element 40; On the contrary, during aboveground drilling well, when applying gravity in opposite direction, spring 36 can in order to suitable bias check valve element.An illustrative aspects, the Part I of spring 36 can be received in chamber 32, and the Part II of spring can be received in (between port part 30 and the close end 14 of breech lock body) in the centre bore 18 of breech lock body 10.In another, spring 36 can be configured to the weight lifting check valve element 40.In this, can expect, spring 36 can comprise the wide line in light interval, thus the resistance of restriction fluid flow.
In another illustrative aspects, and with reference to Fig. 1-Fig. 3, fluid controls sub-component 60 can comprise valve chamber 62 and valve member 64.In this, valve chamber 62 can be set to be communicated with centre bore 18 fluid of breech lock body 10.Can expect, valve chamber 62 can share common longitudinal axis L with breech lock body 10.Further contemplate that, the close end 14 of breech lock body 10 can be configured to fluid to be controlled sub-component 60 and be supported on operating position.Such as, can expect, valve chamber 62 can be set to the near-end 15 of adjacent breech lock body 10.Still can further contemplate that, can being arranged in valve chamber 62 at least partially of valve member 64, and be configured to carry out the movement relative to common longitudinal L.In illustrative aspects, valve member 64 can be microscler piston (as Fig. 1-Fig. 3 illustrates).But can expect, valve member 64 can be any known fluid control valve element, comprises, such as but not limited to, ball valve.
Alternatively, in other, fluid controls sub-component 60 can comprise spring 66, and spring 66 is arranged in valve chamber 62, makes spring adjoin a part for the close end 14 of breech lock body 10 and be biased against valve member 64.Another optional in, fluid controls sub-component 60 and can comprise and to be arranged in valve chamber 62 and axially to surround the lining 68 at least partially of spring 66.In this, can expect, lining 68 can be configured to limit fluid and flows and produce pressure change signal (such as, higher pressure signal), and when valve member 64 moves relative to longitudinal axis L, described pressure change signal is passed to drilling operator.Further contemplate that, valve member 64 may be configured to be arranged in lining 68 in the mode of interference engagement alternatively, thus allows lining 68 as pressure indicator work.Can expect, when valve member 64 is configured to be arranged in lining 68 in the mode of interference engagement, lining can comprise nylon or other similar material.But further contemplate that, when valve member 64 is not configured to be arranged in lining 68 in the mode of interference engagement (that is, when there being a certain amount of gap), lining can comprise steel or other similar material.
In illustrative aspects, can expect, spring 66 can provide enough resistances to valve member 64, to guarantee that at least some fluid is transported to the drill bit of drill bit assembly 100.Such as, spring 66 suppresses by valve member 64 to produce the fluid pressure raised, thus guarantees that the fluid between rig and drill bit is communicated with.In illustrative aspects, spring 66 can have enough rigidity, applies remarkable fluid flow pressure (scope from about 500 to about 1,500psi) and the large drag loads of oscillation suppression to produce, thus provides level and smooth response and reliable fluid to control.In these areas, spring 66 can comprise die springs or other spring with heavy rectangular cross section wire as known in routine in prior art.Can expect, when not having spring 66 to resist valve member 64, some fluids can be lost to ground.In illustrative aspects, lining 68 can be set to the near-end 15 of adjacent breech lock body 10.In these areas, can expect, the seat that the near-end 15 of breech lock body 10 can serve as lining 68 puts shoulder.Therefore, can expect, breech lock body 10 can provide (1) fluid to control the spring 66 of sub-component 60 and/or the base of lining 68; (2) shell of check valve element 40.
In various illustrative aspects, can expect, fluid controls sub-component 60 and can be configured to control the amount by the drilling fluid of interior brill core pipe during release and/or drilling well.In these areas, can expect, fluid controls sub-component 60 can have any characteristic consistent with these functions or parts.On the other hand, can expect, valve member 64 is coupled to outer brill core pipe by any known connector (such as selling).In this, further contemplate that, pin can be advanced in axial groove, and valve member 64 can be moved axially relative to interior brill core pipe and outer brill core pipe.In illustrative aspects, when fluid control sub-component comprises lining 68, valve member 64 is by axially moving between the open and the closed positions with the interaction of lining 68.Alternatively, fluid controls sub-component 60 and can be configured to engage with liquid feed pump, and wherein liquid feed pump is configured to transmitting fluid and pressure, thus produces fluid resistance across valve member 64, makes valve member engage lining 68 and/or move by lining 68.
In illustrative aspects, interior brill core pipe can comprise the one or more fluid ports be communicated with the external fluid of interior brill core pipe.In use, when valve member 62 is at open position, can expect, fluid can flow through fluid from (bottom) breech lock body 10 and control sub-component 60 (and by and/or around valve member), and flows through the fluid port of interior brill core pipe.When valve member is in an open position, bolt lock mechanism can be arranged on retracted position and be configured to insert in drill string.Alternatively, at this open position, can expect, fluid can flow to upper latch body from (bottom) breech lock body 10, but fluid pressure can force valve member 62 towards lining 68, thus makes valve member be pressed against lining and the flowing of anti-fluid.
In other, and with reference to Fig. 4-Fig. 7 B, breech lock body 10 can comprise multiple male protrusions 20, and the longitudinal axis L of male protrusions 20 inwardly breech lock body extends and spaced apart with the longitudinal axis L of breech lock body.In this, each projection in multiple male protrusions can have the front end 22 separating selected distance d with the longitudinal axis L of breech lock body 10.Alternatively, on the other hand, in multiple male protrusions, the front end 22 of each projection 20 can comprise edge surface 23.Alternatively, as Fig. 7 B illustrates, edge surface 23 can substantially flat.But can expect, the edge surface 23 of each front end 22 can have the functional any shape retaining projection as described herein.Such as, as Fig. 7 A illustrates, can expect, the edge surface 23 of front end 22 can be the curved surfaces with curvature, and when making to move radially along edge surface 23, the selected distance d between front end and longitudinal axis L keeps substantially consistent.Further contemplate that, in multiple male protrusions, the front end 22 of at least one projection 20 may have the geometry different from the front end of another projection in multiple male protrusions and/or corner contours alternatively.
Another optional in, and with reference to Fig. 1-Fig. 2 and Fig. 4-Fig. 7 B, each projection 20 in multiple male protrusions of breech lock body 10 can limit near-end mating surface 25, and near-end mating surface 25 is oriented the common longitudinal L of the valve member 62 being substantially perpendicular to breech lock body and fluid control sub-component 60.In this, in multiple male protrusions, the near-end mating surface 25 of each male protrusions 20 can be configured to the spring 66 that adjacent fluid controls sub-component 60.Therefore, can expect, the selected distance d between each projection 20 and longitudinal axis L can select according to the external diameter of spring 66 and/or valve member 62.Further contemplate that, selected distance d can optionally optionally change to bear drilling well load and vibration, thus avoids wear-out failure and other syndrome.Limit by these, also expect, maximize selected distance d and transfer the fluid that maximizing flows through breech lock body 10.
As Fig. 4-Fig. 5 illustrates, expect alternatively, in multiple male protrusions, the near-end mating surface 25 of each male protrusions 20 can separate selected distance 26 along the longitudinal length 12 of breech lock body with the near-end 15 of breech lock body 10.Can expect, selected distance 26 can be selected according to the longitudinal length of spring 66, and wherein spring is selected to provide enough resistances to valve member 64.An illustrative aspects, selected distance 26 can be less than the longitudinal length (when spring is in stress free position) of spring 66, thus when spring is set to engage with the near-end mating surface 25 of male protrusions 20 and valve member 64, allow compression reloading spring.Alternatively, in this, reloading spring can be configured to provide high initial resistance to valve member 64 after contact.Or, on the other hand, breech lock body 10 can be configured to receive spring 66 at least partially, spring is made not apply resistance when contacting with valve member 64 at the beginning, and lining 68 and valve member can be configured to and spring cooperation, thus provide fluid pressure response profile and/or the signal of expectation.In illustrative aspects, lining 68 can be configured to the near-end 15 near breech lock body 10; Therefore, can expect, selected distance 26 can correspond essentially to the longitudinal separation between the lining 68 of breech lock body and near-end mating surface 25.
Alternatively, in illustrative aspects, the external surface of the close end 14 of breech lock body 10 can have threaded portion.In this, the threaded portion of the external surface of breech lock body 10 can extend from the near-end 15 of breech lock body along the part of the longitudinal length 12 of breech lock body.Alternatively, as Fig. 4-Fig. 5 illustrates, can expect, the distance that the threaded portion of the external surface of breech lock body 10 extends along the longitudinal length 12 of breech lock body can correspond essentially to selected distance 26.
In Exemplary alternate, in multiple male protrusions, each male protrusions 20 can have base portion 21a and extension 21b.In these areas, as Fig. 6-Fig. 7 B illustrates, can expect, the extension 21b of each male protrusions 20 can relative to base portion 21a inwardly longitudinal axis L extend.Further contemplate that, the near-end mating surface 25 of each male protrusions 20 can be limited by extension 21b.In other, as Fig. 4-Fig. 5 illustrates, the base portion 21a of each male protrusions can comprise proximal part 29, and proximal part 29 is arranged between the near-end 15 of extension 21b and breech lock body 10 relative to the longitudinal axis L of breech lock body.
Another optional in, and with reference to Fig. 1-Fig. 5, each projection 20 of multiple male protrusions of breech lock body 10 can limit (or with inner surface cooperation of port part 30 to limit) far-end mating surface 27.An illustrative aspects, far-end engagement can be configured to adjoin check valve element 40 when the common longitudinal L controlling sub-component 60 relative to breech lock body and fluid moves check valve element towards the close end 14 of breech lock body.In this, as Fig. 4 illustrates, can expect, far-end mating surface 27 can slope inwardly towards the longitudinal axis L of breech lock body 10, thus moves to the near-end 15 of breech lock body along the longitudinal length 12 of breech lock body from the far-end 17 of breech lock body.Therefore, can expect, breech lock body 10 can limit check valve element 40 and fluid controls sub-component 60 (comprising valve member 64) both bases.
In another illustrative aspects, as Fig. 5 illustrates, far-end mating surface 27 can be oriented the longitudinal axis L being substantially perpendicular to breech lock body.In this, in multiple male protrusions, the far-end mating surface 27 of each male protrusions 20 can be configured to the spring 36 of adjacent breech lock body 10.
In another, breech lock body 10 can comprise the multiple passages 28 extended radially outwardly from the longitudinal axis L of breech lock body.In this, can expect, each passage 28 in multiple passage can cross over the front end 22 of adjacent male protrusions 20.Further contemplate that, multiple passages 28 of breech lock body 10 can be configured to allow fluid-phase to control the valve member 64 of sub-component 60 for common longitudinal L around fluid and check valve element 40 flows.In illustrative aspects, each passage 28 in multiple passage may be U-shaped alternatively substantially.But can expect, each passage 28 in multiple passage can have the functional any shape retaining passage 28 as described herein.Further contemplate that, at least one passage 28 in multiple passage may have the geometry different from another passage in multiple passage and/or corner contours alternatively.In illustrative aspects, multiple passage can be formed by boring pattern.In other illustrative aspects, can expect, multiple passage can be formed by two vertical milling paths, such as, conventional circular milling bit can be used to be formed.
An illustrative aspects, multiple passage 28 can comprise 4 passages.But can expect, multiple passage 28 can comprise the passage of any number of the fluid flow characteristics retaining breech lock body 10 as described herein.Therefore, such as but not limited to, can expect, multiple passage 28 can comprise 3,5,6,7,8,9,10,11 or 12 passages.
In use, can expect, passage 28 is larger, and the resistance being provided to drilling fluid flowing will be less.But also expect, breech lock body 10 can comprise enough materials, to keep drilling well load and support spring load.Alternatively, can expect, when dividing the plane survey of breech lock body 10 equally from the longitudinal axis L along breech lock body, passage 28 can have the profile of almost symmetry.But in other side, can expect, passage 28 can have asymmetric profile.
In illustrative aspects, the hollow spindle 50 of drill bit assembly 100 operationally may be couple to the chamber 32 of the port part 30 of breech lock body 10.In these areas, can expect, hollow spindle 50 can be set to be communicated with chamber 32 fluid of the port part 30 of breech lock body 10.In one aspect, hollow spindle 50 can be configured to check valve element 40 to be supported on blocking position.In this, can expect, when check valve element is at open position, this set of check valve element 40 (between the chamber 32 being supported on the port part 30 of hollow spindle 50 and breech lock body 10 and be accommodated in the chamber 32 of the port part 30 of breech lock body 10) can allow fluid to flow through main shaft completely.Further contemplate that, when breech lock body comprises spring 36, check valve element 40 can be biased in blocking position against hollow spindle 50 by spring.
Alternatively, on the other hand, the distal portion 16 of breech lock body 10 also can comprise mate 38, and mate 38 is set to be communicated with chamber 32 fluid and be configured to engage with hollow spindle 50.In this, mate 38 can be arranged between the port part 30 of breech lock body 10 and far-end 17 relative to longitudinal axis L and (make mate limit the part of centre bore 18).Can expect, mate 38 can have the thread inner surface being configured to engage with the thread outer surface complementation of hollow spindle 50.However, it should be understood that mate 38 can comprise for carrying out machinery, axially aligning any known members of engagement.
In illustrative aspects, can expect, described drill bit assembly 100 and/or breech lock body 10 can be provided for the component confirming breech lock body 10 to be arranged at drilling well position.In these areas, drilling well position may correspond in (a) breech lock body 10 in the bottom of boring and/or the landing point of end and/or the engagement between (b) breech lock body 10 and drill string.In one aspect, when drill bit assembly 100 and breech lock body 10 use in conjunction with landing ring known in the art, can expect, the component for confirming breech lock body 10 to be arranged at drilling well position can comprise the component for detecting the engagement between breech lock body and landing ring and/or between interior pipe assembly and landing ring.On the other hand, can expect, the component for confirming breech lock body 10 to be arranged at drilling well position can comprise the component for detecting fluid flowing and/or pressure change in breech lock body 10.In another, when tube head assembly 100 comprises as conventional known multiple rollers, the one or more retaining spring in this area, during with multiple breech lock, can expect, component for confirming breech lock body 10 to be arranged at drilling well position can comprise the component for swivelling pipe head group part 100, make to produce enough centrifugal force to carry out one or more rollers of radially outward driving tube head group part, overcome the load of one or more retaining spring, and multiple latching portion is deployed in drilling well position.Can expect, tube head assembly 100 rotation in this way can guarantee drilling well (breech lock) position reaching breech lock body 10.In operation, further contemplate that, when breech lock body 10 is arranged on drilling well (breech lock) position, centrifugal force the driving rolls locking that enters tube head assembly 100 can couple groove and allows the floor plane below each roller to rotate a little, thus roller is wedged latched position and driving tube head group part with drill string rotating.
Can expect, in some distortion of described drill bit assembly 100, breech lock body 10 and/or the fluid one or more parts controlled in the various parts of sub-component 60 can be incorporated to other down-hole various or aboveground instrument and/or object.
Further contemplate that, described drill bit assembly 100 and/or breech lock body 10 can comprise U.S. Patent number 5,934,393, U.S. Patent number 6,029,758, U.S. Patent number 6,089,335, and one or more parts in parts disclosed in U.S. Patent Application Publication No. 2010/0012383 and feature and feature, each patent is all incorporated to herein by reference.
Although disclosed some embodiments of the present invention in above manual, but it will be understood by those skilled in the art that the of the present invention many amendments with the benefit of the instruction that above description and relevant drawings provide and other embodiment that can expect that the present invention is correlated with.Therefore, should be understood that the present invention is not limited to above-disclosed specific embodiments, and many amendments and other embodiment are intended to be included within the scope of the appended claims.In addition, although employ particular term herein and in the claims of enclosing, they are only for general and descriptive meaning, instead of in order to limit described the present invention, neither in order to limit the claims of enclosing.
Claims (20)
1. one kind controls the breech lock body in the drill bit assembly of sub-component and check valve element for having fluid, described breech lock body has the longitudinal axis, longitudinal length, close end, and distal portion, described breech lock body limits centre bore, described centre bore extends through described close end and the distal portion of described breech lock body along the described longitudinal length of described breech lock body, and described breech lock body comprises:
Multiple male protrusions, the described longitudinal axis of described male protrusions inwardly described breech lock body extends and spaced apart with the described longitudinal axis of described breech lock body, and each projection in described multiple male protrusions has the front end separating selected distance with the described longitudinal axis of described breech lock body;
Multiple passage, described passage extends radially outwardly from the described longitudinal axis of described breech lock body, the described front end of the adjacent male protrusions of each channel crosses in described multiple passage,
The described distal portion of wherein said breech lock body comprises port part, and described port part limits the chamber be communicated with the described bore fluid of described breech lock body; And with at least one port of described chamber in fluid communication, the described chamber of wherein said port part is configured to receive described check valve element at least partially, and
The described close end of wherein said breech lock body is configured to that the described fluid of described drill bit assembly is controlled sub-component and is supported on operating position.
2. breech lock body as claimed in claim 1, the described chamber of wherein said port part has inner surface, described inner surface be configured to promote described check valve element wherein block fluid flow cross between the blocking position at least partially of described chamber and the open position wherein allowing fluid to flow through described chamber and move.
3. breech lock body as claimed in claim 1, the described front end of each projection in wherein said multiple male protrusions comprises the edge surface of substantially flat.
4. breech lock body as claimed in claim 1, each passage in wherein said multiple passage is U-shaped substantially.
5. breech lock body as claimed in claim 2, it also comprises the spring be contained at least in part in the described chamber of described port part, and described spring is configured to described check valve element to be biased in described blocking position.
6. a drill bit assembly, it comprises:
Breech lock body, described breech lock body has the longitudinal axis, longitudinal length, close end, and distal portion, and described breech lock body limits centre bore, described centre bore extends through described close end and the distal portion of described breech lock body along the described longitudinal length of described breech lock body, and described breech lock body comprises:
Multiple male protrusions, the described longitudinal axis of described male protrusions inwardly described breech lock body extends and spaced apart with the described longitudinal axis of described breech lock body, and each projection in described multiple male protrusions has the front end separating selected distance with the described longitudinal axis of described breech lock body; With
Multiple passage, described passage extends radially outwardly from the described longitudinal axis of described breech lock body, the described front end of the adjacent male protrusions of each channel crosses in described multiple passage,
The described distal portion of wherein said breech lock body comprises port part, and described port part comprises the chamber be communicated with the described bore fluid of described breech lock body; And with at least one port of described chamber in fluid communication;
Check valve element, described check valve element be arranged in the described chamber of the described port part of described breech lock body at least partially;
Hollow spindle, described hollow spindle is operationally couple to the described chamber in fluid communication of the described chamber of the described port part of described breech lock body the described port part with described breech lock body; With
Fluid controls sub-component,
The described close end of wherein said breech lock body is configured to that described fluid is controlled sub-component and is supported on operating position.
7. drill bit assembly as claimed in claim 6, the described chamber of the described port part of wherein said breech lock body has inner surface, described inner surface be configured to promote described check valve element wherein block fluid flow cross between the blocking position at least partially of described chamber and the open position wherein allowing fluid to flow through described chamber and move.
8. drill bit assembly as claimed in claim 7, wherein said hollow spindle is configured to described check valve element to be supported on described blocking position.
9. drill bit assembly as claimed in claim 8, wherein said breech lock body also comprises the spring be contained at least in part in the described chamber of described port part, and described spring is configured to described check valve element to be biased in described blocking position against described hollow spindle.
10. drill bit assembly as claimed in claim 6, the described front end of each projection in described multiple male protrusions of wherein said breech lock body comprises the edge surface of substantially flat.
11. drill bit assemblies as claimed in claim 6, each passage in described multiple passage of wherein said breech lock body is U-shaped substantially.
12. drill bit assemblies as claimed in claim 6, wherein said fluid controls sub-component and comprises:
Valve chamber, described valve chamber is set to be communicated with the described bore fluid of described breech lock body, and described valve chamber has the longitudinal axis common with described breech lock body;
Valve member, described valve member to be arranged in described valve chamber and to be configured to carry out the movement relative to described common longitudinal; With
Spring, described spring is arranged in described valve chamber, makes described spring adjoin the described close end of described breech lock body and be biased against described valve member.
13. drill bit assemblies as claimed in claim 12, wherein said fluid controls sub-component and also comprises the lining being at least partially arranged on and also axially surrounding described spring in described valve chamber.
14. drill bit assemblies as claimed in claim 12, described multiple passage of wherein said breech lock body is configured to allow fluid-phase described common longitudinal to be controlled to described valve member and the flowing of described check valve element of sub-component around described fluid.
15. drill bit assemblies as claimed in claim 9, wherein said fluid controls sub-component and comprises:
Valve chamber, described valve chamber is set to be communicated with the described bore fluid of described breech lock body, and described valve chamber has the longitudinal axis common with described breech lock body;
Valve member, described valve member to be arranged in described valve chamber and to be configured to carry out the movement relative to described common longitudinal; With
Spring, described spring is arranged in described valve chamber, makes described spring adjoin the described close end of described breech lock body and be biased against described valve member.
16. drill bit assemblies as claimed in claim 15, wherein said fluid controls sub-component and also comprises the lining being at least partially arranged on and also axially surrounding described spring in described valve chamber.
17. drill bit assemblies as claimed in claim 15, described multiple passage of wherein said breech lock body is configured to allow fluid-phase described common longitudinal to be controlled to described valve member and the flowing of described check valve element of sub-component around described fluid.
18. 1 kinds of drill bit assemblies, it comprises:
Breech lock body, described breech lock body has the longitudinal axis, longitudinal length, close end, and distal portion, and described breech lock body limits centre bore, described centre bore extends through described close end and the distal portion of described breech lock body along the described longitudinal length of described breech lock body, and described breech lock body comprises:
Multiple male protrusions, the described longitudinal axis of described male protrusions inwardly described breech lock body extends and spaced apart with the described longitudinal axis of described breech lock body, and each projection in described multiple male protrusions has the front end separating selected distance with the described longitudinal axis of described breech lock body; With
Multiple passage, described passage extends radially outwardly from the described longitudinal axis of described breech lock body, the described front end of the adjacent male protrusions of each channel crosses in described multiple passage,
The described distal portion of wherein said breech lock body comprises port part, and described port part comprises the chamber be communicated with the described bore fluid of described breech lock body; And with at least one port of described chamber in fluid communication;
Check valve element, described check valve element be arranged in the described chamber of the described port part of described breech lock body at least partially; With
Fluid controls sub-component, and described fluid controls sub-component and has the longitudinal axis common with described breech lock body, and described fluid controls sub-component and comprises:
Valve member, described valve member is configured to carry out the movement relative to described common longitudinal;
Spring, described spring is set to the described close end of adjacent described valve member and described breech lock body, and described spring is biased against described valve member; With
Lining, described lining axially surrounds described fluid and controls the described spring of sub-component at least partially;
The described close end of wherein said breech lock body is configured to that described fluid is controlled sub-component and is supported on operating position.
19. drill bit assemblies as claimed in claim 18, each projection in described multiple male protrusions of wherein said breech lock body limits near-end mating surface, described near-end mating surface is oriented the described common longitudinal being substantially perpendicular to described breech lock body and described fluid control sub-component, and the described near-end mating surface of each male protrusions in described multiple male protrusions is configured to the described spring that adjacent described fluid controls sub-component.
20. drill bit assemblies as claimed in claim 19, each projection in described multiple male protrusions of wherein said breech lock body also limits far-end mating surface, described far-end mating surface is configured to after the described common longitudinal controlling sub-component relative to described breech lock body and described fluid moves described check valve element towards the described close end of described breech lock body, adjacent described check valve element.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/US2012/052063 WO2014031120A1 (en) | 2012-08-23 | 2012-08-23 | Latch body components having multiple functions, and drilling head assembly incorporating same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104520525A true CN104520525A (en) | 2015-04-15 |
| CN104520525B CN104520525B (en) | 2017-01-18 |
Family
ID=50150275
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201280074418.6A Expired - Fee Related CN104520525B (en) | 2012-08-23 | 2012-08-23 | Latch body components having multiple functions, and drilling head assembly incorporating same |
Country Status (7)
| Country | Link |
|---|---|
| EP (1) | EP2888432B1 (en) |
| CN (1) | CN104520525B (en) |
| AU (1) | AU2012388216B2 (en) |
| BR (1) | BR112014033068A2 (en) |
| CA (1) | CA2877113C (en) |
| WO (1) | WO2014031120A1 (en) |
| ZA (1) | ZA201500020B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113302376A (en) * | 2018-11-06 | 2021-08-24 | 坎里格机器人技术有限公司 | Elevator for lifting tubular members of various sizes with independent articulation of certain jaws |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11242719B2 (en) | 2017-11-27 | 2022-02-08 | Chevron U.S.A. Inc. | Subterranean coring assemblies |
| US10577879B2 (en) | 2017-11-27 | 2020-03-03 | Chevron U.S.A. Inc. | Subterranean coring assemblies |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4800969A (en) * | 1987-11-24 | 1989-01-31 | Longyear Company | Fast descent core barrel apparatus |
| US5934393A (en) * | 1997-02-19 | 1999-08-10 | Boart Longyear International Holdings, Inc. | Core barrel apparatus |
| US6029758A (en) * | 1997-11-24 | 2000-02-29 | Boart Longyear International Holdings, Inc. | Retractable core barrel valving apparatus |
| US6089335A (en) * | 1998-12-16 | 2000-07-18 | Boart Longyear International Holdings, Inc. | Positive latch core barrel apparatus |
| CN101675205A (en) * | 2007-03-03 | 2010-03-17 | 博尔特朗耶尔 | High productivity core drilling system |
| US20110079436A1 (en) * | 2009-10-07 | 2011-04-07 | Longyear Tm, Inc. | Core drilling tools with retractably lockable driven latch mechanisms |
| WO2011056077A1 (en) * | 2009-11-04 | 2011-05-12 | Devico As | Lockable core barrel head for drilling system and survey instrument assembly provided with a connection link for arrangement in a drilling system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2611986A1 (en) * | 2010-08-30 | 2013-07-10 | Atlas Copco Canada Inc. | Quickly reconfigurable core barrel head assembly |
-
2012
- 2012-08-23 EP EP12883130.2A patent/EP2888432B1/en active Active
- 2012-08-23 AU AU2012388216A patent/AU2012388216B2/en active Active
- 2012-08-23 CN CN201280074418.6A patent/CN104520525B/en not_active Expired - Fee Related
- 2012-08-23 WO PCT/US2012/052063 patent/WO2014031120A1/en active Application Filing
- 2012-08-23 CA CA2877113A patent/CA2877113C/en active Active
- 2012-08-23 BR BR112014033068A patent/BR112014033068A2/en not_active IP Right Cessation
-
2015
- 2015-01-05 ZA ZA2015/00020A patent/ZA201500020B/en unknown
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4800969A (en) * | 1987-11-24 | 1989-01-31 | Longyear Company | Fast descent core barrel apparatus |
| US5934393A (en) * | 1997-02-19 | 1999-08-10 | Boart Longyear International Holdings, Inc. | Core barrel apparatus |
| US6029758A (en) * | 1997-11-24 | 2000-02-29 | Boart Longyear International Holdings, Inc. | Retractable core barrel valving apparatus |
| US6089335A (en) * | 1998-12-16 | 2000-07-18 | Boart Longyear International Holdings, Inc. | Positive latch core barrel apparatus |
| CN101675205A (en) * | 2007-03-03 | 2010-03-17 | 博尔特朗耶尔 | High productivity core drilling system |
| US20110079436A1 (en) * | 2009-10-07 | 2011-04-07 | Longyear Tm, Inc. | Core drilling tools with retractably lockable driven latch mechanisms |
| WO2011056077A1 (en) * | 2009-11-04 | 2011-05-12 | Devico As | Lockable core barrel head for drilling system and survey instrument assembly provided with a connection link for arrangement in a drilling system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113302376A (en) * | 2018-11-06 | 2021-08-24 | 坎里格机器人技术有限公司 | Elevator for lifting tubular members of various sizes with independent articulation of certain jaws |
| CN113302376B (en) * | 2018-11-06 | 2024-02-23 | 坎里格机器人技术有限公司 | Lift for lifting tubular members of various sizes with independent articulation of certain jaws |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2014031120A1 (en) | 2014-02-27 |
| AU2012388216A1 (en) | 2015-01-22 |
| EP2888432A4 (en) | 2016-06-01 |
| EP2888432B1 (en) | 2019-07-24 |
| CN104520525B (en) | 2017-01-18 |
| AU2012388216B2 (en) | 2017-01-05 |
| BR112014033068A2 (en) | 2017-06-27 |
| ZA201500020B (en) | 2016-10-26 |
| CA2877113A1 (en) | 2014-02-27 |
| EP2888432A1 (en) | 2015-07-01 |
| CA2877113C (en) | 2015-12-15 |
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