CN105863514B - A kind of hydraulically-controlled type reaming while drilling tool - Google Patents
A kind of hydraulically-controlled type reaming while drilling tool Download PDFInfo
- Publication number
- CN105863514B CN105863514B CN201610218248.4A CN201610218248A CN105863514B CN 105863514 B CN105863514 B CN 105863514B CN 201610218248 A CN201610218248 A CN 201610218248A CN 105863514 B CN105863514 B CN 105863514B
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- China
- Prior art keywords
- wing
- shell
- upper shell
- inner cavity
- central tube
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- 238000005553 drilling Methods 0.000 title claims abstract description 38
- 239000012530 fluid Substances 0.000 claims abstract description 8
- 238000005086 pumping Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 239000011435 rock Substances 0.000 description 3
- 241001074085 Scophthalmus aquosus Species 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000012065 filter cake Substances 0.000 description 1
- 125000001183 hydrocarbyl group Chemical group 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- E21B7/00—Special methods or apparatus for drilling
- E21B7/28—Enlarging drilled holes, e.g. by counterboring
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
Abstract
The present invention relates to the hydraulically-controlled type reaming while drilling tools for expanding borehole diameter in a kind of oil and gas industry.It solves the problems, such as hole shrinkage in drilling process.Its technical solution is：Upper shell upper end and the screwed connection of top connection lower end, upper shell lower end and the screwed connection of lower shell upper end；Connecting rod one end and reamer wing lower end are hinged, and the hinged-support outside the connecting rod other end and wing seat is hinged；Three hinged-supports outside wing seat are separately mounted in three grooves in the middle part of upper shell, and reamer wing is mounted in the slope surface of upper shell central slot, and piston cylinder is mounted on lower shell inner cavity top；Central tube is mounted on the inner cavity of upper shell and lower shell；Two sliding pin one end and the threaded hole of lower shell lower part two are fixed, and the other end is inserted into the sliding slot track of central tube lower end.The present invention is controlled using drilling fluid, easy to operate, and control is effective, can effectively carry out that wellbore is expanding, and drilling cost is greatly reduced in raising oil/gas well quality.
Description
Technical field
The present invention relates to the hydraulically-controlled type reaming while drilling tools for expanding borehole diameter in a kind of oil and gas industry.
Background technology
With being constantly progressive for oil and gas industry oil/gas well development technique, drilling depth is more and more deeper, hydrocarbon structure
Also it becomes increasingly complex, all kinds of hole condition accidents also more and more various complexity.In drilling engineering field, since wellbore diminution causes to remove
It bores operation to be hampered, meets situations such as card and happen occasionally, be scrapped if dealing with improperly to be likely occurred drilling tool and bury with big section wellbore
Accident causes serious economic loss.Wellbore drilling fluid cycle and invade bubble effect under because moisture dispersion and water swelling
And hole diameter being caused to reduce, while landwaste dispersion is mixed in drilling fluid and is difficult to clean off, the short grained landwaste in part is gradually adhering to well
It is formed on wall compared with thick filter cake, the wellbore being drilled to is made to be less than former wellbore.Shale, mud stone, gypsum-salt rock are main undergauge rock stratum
Section.
The technology for carrying out reaming hole operation to being drilled to well section while drilling is referred to as reaming while drilling technology.Reaming while drilling
Technology is a kind of effective way of hole shrinkage and progress borehole wall reparation under processing well, and reaming while drilling technology is in undergauge rock stratum section
Using a variety of down hole problems can be solved, oil/gas well quality is improved, drilling cost is greatly reduced.What is used at present expands with brill
Eye tool is external product mostly, and domestic still in the imitation stage, rare have the product of independent intellectual property right, and makes at present
Reaming while drilling tool is not perfect in control, lacks simple and effective control means.
Invention content
The purpose of the present invention is：In order to solve the problems, such as hole shrinkage in drilling process, a kind of hydraulically-controlled type is provided with brill
Hole reaming tool.
In order to achieve the above object, the present invention uses following technical scheme：A kind of hydraulically-controlled type reaming while drilling tool, is by upper
Connector, upper shell, upper spring, reamer wing, connecting rod, wing seat, lower spring, piston cylinder, lower shell, central tube and sliding pin structure
Into；Its structure feature is：Top connection upper end and upper drilling string screwed connection, lower shell lower end and lower drilling string screwed connection；
Circumferential in the middle part of upper shell to be uniformly arranged three grooves, groove lower part connects upper shell interior or exterior space, and groove top is set as slope surface,
The setting of slope surface both sides is fluted, and one circle raised step of setting, upper shell outer circle are circumferentially uniformly arranged three in the middle part of upper shell inner cavity
Arc groove；Step is set as in the middle part of lower shell inner cavity, lower shell lower part is circumferentially uniformly arranged two threaded holes, lower shell top
Circumferentially it is uniformly arranged three through-holes；Upper shell upper end and the screwed connection of top connection lower end, terminal filament on upper shell lower end and lower shell
Button connection；Arc surface is set as on the outside of reamer wing, cutting tooth, reamer wing inside are provided on reamer wing outer arc face
Top is set as slope surface, and reamer wing top both sides are provided with raised outer rim, and reamer wing lower end is set as hinged-support；Wing seat
Inner cavity is set as box thread, and wing seat exterior circumferential is uniformly arranged three hinged-supports；Connecting rod one end sets a circular through hole, another
One waist through hole of end setting；Connecting rod one end and reamer wing lower end are hinged, the hinged-support hinge outside the connecting rod other end and wing seat
It connects；Piston cylinder upper end is provided with male thread, and piston cylinder lower end outer circle sets a step, and piston cylinder upper end and wing seat screw thread connect
It connects；Three hinged-supports outside wing seat are separately mounted in three grooves in the middle part of upper shell, and reamer wing is mounted on upper cylinder
In the slope surface of body central slot, the raised outer rim of reamer wing top both sides is mounted on the recessed of upper shell central slot slope surface both sides
In slot, piston cylinder is mounted on lower shell inner cavity top；Lower spring is mounted on the step of piston cylinder lower end, and lower spring is in compression shape
State；Upper spring is mounted on the central raised step in upper shell inner cavity, and upper spring is in compressive state；The outer circle setting of central tube upper end
One encloses raised step, and center tube cavity lower part sets a step, and three upper through-holes, step lower section are circumferentially uniformly arranged above step
Three lower through-holes are circumferentially uniformly arranged, one circle sliding slot track of central tube outer circle lower end setting, sliding slot track top is provided with mutually
The long track and short track at interval, are provided with oblique orbit connection between long track and short track；Central tube is mounted on upper shell
With the inner cavity of lower shell；Two sliding pin one end and the threaded hole of lower shell lower part two are fixed, and the other end is inserted into central tube lower end
In sliding slot track；When sliding pin moves axially in the sliding slot track of central tube, central tube single direction rotation can be made.
The beneficial effects of the invention are as follows：(1) present invention can effectively carry out wellbore expanding, solve asking for hole shrinkage
Topic；(2) present invention is controlled using drilling fluid, easy to operate, and control is effective；(3) present invention is during reaming hole, reaming hole knife
The wing has the trend radially expanded, the problem of retraction there is no wing during reaming hole；(4) present invention uses block formula reaming hole knife
The wing, intensity is high, long lifespan.
Description of the drawings
Fig. 1 is a kind of structure diagram of hydraulically-controlled type reaming while drilling tool reamer wing softened state of the present invention；
Fig. 2 is a kind of structure diagram of hydraulically-controlled type reaming while drilling tool reamer wing retracted state of the present invention；
Fig. 3 is the three dimensional structure diagram of upper shell and reamer wing assembling of the present invention；
Fig. 4 is the three dimensional structure diagram of reamer wing and wing seat assembling of the present invention；
Fig. 5 is the circumferentially deploying figure of central tube sliding slot track of the present invention；
In figure：1. top connection, 2. upper shells, spring on 3., 4. reamer wings, 5. connecting rods, 6. wing seats, 7. times springs,
8. piston cylinder, 9. lower shells, 10. central tubes, 11. sliding pins, the upper through-holes of 10a., 10b. lower through-holes, 10c. sliding slot tracks.
Specific embodiment
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, a kind of hydraulically-controlled type reaming while drilling tool of the present invention, is by top connection 1, upper cylinder
Body 2, upper spring 3, reamer wing 4, connecting rod 5, wing seat 6, lower spring 7, piston cylinder 8, lower shell 9, central tube 10 and sliding pin 11
It forms；Its structure feature is：1 upper end of top connection and upper drilling string screwed connection, 9 lower end of lower shell and lower drilling string screw thread connect
It connects；2 middle part of upper shell is circumferential to be uniformly arranged three grooves, and groove lower part connection 2 interior or exterior space of upper shell, groove top is set as
Slope surface, the setting of slope surface both sides is fluted, and one circle raised step of setting, 2 outer circle of upper shell are circumferentially uniformly set in the middle part of 2 inner cavity of upper shell
Put three arc grooves；Step is set as in the middle part of 9 inner cavity of lower shell, 9 lower part of lower shell is circumferentially uniformly arranged two threaded holes, under
9 top of cylinder is circumferentially uniformly arranged three through-holes；The 1 lower end screwed connection of 2 upper end of upper shell and top connection, 2 lower end of upper shell and
9 upper end screwed connection of lower shell；4 outside of reamer wing is set as arc surface, and reamer wing is provided with cutting on 4 outer arc face
Tooth, 4 inside upper part of reamer wing are set as slope surface, and 4 top both sides of reamer wing are provided with raised outer rim, 4 lower end of reamer wing
It is set as hinged-support；6 inner cavity of wing seat is set as box thread, and 6 exterior circumferential of wing seat is uniformly arranged three hinged-supports；Connecting rod 5
One end sets a circular through hole, and the other end sets a waist through hole；5 one end of connecting rod and 4 lower end of reamer wing are hinged, and connecting rod 5 is another
Hinged-support outside one end and wing seat 6 is hinged；8 upper end of piston cylinder is provided with male thread, and 8 lower end outer circle of piston cylinder sets one
Rank, 6 screwed connection of 8 upper end of piston cylinder and wing seat；Three hinged-supports outside wing seat 6 are separately mounted to 2 middle part of upper shell
Three grooves in, reamer wing 4 is mounted in the slope surface of 2 central slot of upper shell, and the protrusion of 4 top both sides of reamer wing is outer
Edge is mounted in the groove of 2 central slot slope surface both sides of upper shell, and piston cylinder 8 is mounted on 9 inner cavity top of lower shell；Lower spring 7
On 8 lower end step of piston cylinder, lower spring 7 is in compressive state；It is central raised that upper spring 3 is mounted on 2 inner cavity of upper shell
On step, upper spring 3 is in compressive state；10 upper end outer circle setting of central tube, one circle raised step, 10 inner cavity lower part of central tube
One step is set, three upper through-hole 10a are circumferentially uniformly arranged above step, circumferentially three lower through-holes are uniformly arranged below step
10b, 10 outer circle lower end of central tube setting, one circle sliding slot track 10c；Central tube 10 is mounted on the inner cavity of upper shell 2 and lower shell 9；
Two 11 one end of sliding pin and lower shell 9 lower part two threaded hole are fixed, and the other end is inserted into the sliding slot track 10c of 10 lower end of central tube
It is interior.
As shown in figure 5, the sliding slot track 10c tops of 10 outer circle lower end of central tube are provided with spaced long track and short
Track is provided with oblique orbit connection between long track and short track；Sliding pin 11 is axial in the sliding slot track 10c of central tube 10
When mobile, 10 single direction rotation of central tube can be made.
A kind of operation principle of hydraulically-controlled type reaming while drilling tool of the present invention is：The tripping in present invention is to setting well section, initial bit
It puts as shown in Figure 2；Turn on pump circulating fluid to normal drilling well flow, central tube 10 compresses spring 3 under chock pressure difference effect,
Axially move down；When sliding pin 11 is in the sliding slot track 10c short orbital positions of central tube 10, upper through-hole 10a can not in piston cylinder 8
Chamber connects, and reamer wing 4 is failure to actuate；When sliding pin 11 is in the sliding slot track 10c long orbital positions of central tube 10, upper through-hole 10a
It is connected with 8 inner cavity of piston cylinder, drilling fluid pushes piston cylinder 8 is axial to move up, and reamer wing 4 radially expands, as shown in Figure 1, at this time
It can carry out reaming while drilling operation；Every termination of pumping, turn on pump are primary, and reamer wing 4 can be controlled to open or retract.
Claims (1)
1. a kind of hydraulically-controlled type reaming while drilling tool is by top connection (1), upper shell (2), upper spring (3), reamer wing (4), connects
Bar (5), wing seat (6), lower spring (7), piston cylinder (8), lower shell (9), central tube (10) and sliding pin (11) are formed；Its feature
It is：Top connection (1) upper end and upper drilling string screwed connection, lower shell (9) lower end and lower drilling string screwed connection；Lower shell
(9) step is set as in the middle part of inner cavity, lower shell (9) lower part is circumferentially uniformly arranged two threaded holes, and lower shell (9) top is circumferentially equal
Three through-holes of even setting；Upper shell (2) upper end and top connection (1) lower end screwed connection, upper shell (2) lower end and lower shell (9)
Upper end screwed connection；Connecting rod (5) one end sets a circular through hole, and the other end sets a waist through hole；Connecting rod (5) one end and reaming hole
Wing (4) lower end is hinged, and the hinged-support of connecting rod (5) other end and wing seat (6) outside is hinged；Piston cylinder (8) upper end is provided with
Male thread, piston cylinder (8) lower end outer circle set a step, piston cylinder (8) upper end and wing seat (6) screwed connection；Wing seat (6)
Three external hinged-supports are separately mounted in three grooves in the middle part of upper shell (2), and reamer wing (4) is mounted on upper shell
(2) in the slope surface of central slot, the raised outer rim of reamer wing (4) top both sides is mounted on upper shell (2) central slot slope surface
In the groove of both sides, piston cylinder (8) is mounted on lower shell (9) inner cavity top；Lower spring (7) end stand under piston cylinder (8)
On rank, lower spring (7) is in compressive state；Upper spring (3) is on the central raised step in upper shell (2) inner cavity, upper spring
(3) in compressive state；One circle raised step of central tube (10) upper end outer circle setting, central tube (10) inner cavity lower part sets one
Rank, step top is circumferential to be uniformly arranged three upper through-holes (10a), and circumferentially three lower through-holes (10b) are uniformly arranged below step；In
Heart pipe (10) is mounted on the inner cavity of upper shell (2) and lower shell (9)；Two sliding pin (11) one end and lower shell (9) lower part two
Threaded hole is fixed, and the other end is inserted into the sliding slot track (10c) of central tube (10) lower end；It is circumferential in the middle part of upper shell (2) uniformly to set
Three grooves, groove lower part connection upper shell (2) interior or exterior space are put, groove top is set as slope surface, and slope surface both sides are provided with recessed
Slot, one circle raised step of upper shell (2) inner cavity middle part setting, upper shell (2) outer circle are circumferentially uniformly arranged three arc grooves；Expand
Arc surface is set as on the outside of eye wing (4), cutting tooth, reamer wing (4) inside are provided on reamer wing (4) outer arc face
Top is set as slope surface, and reamer wing (4) top both sides are provided with raised outer rim, and reamer wing (4) lower end is set as hinged-support；
Wing seat (6) inner cavity is set as box thread, and wing seat (6) exterior circumferential is uniformly arranged three hinged-supports；Central tube (10) outer circle
One circle sliding slot track (10c) of lower end setting, sliding slot track (10c) top is provided with spaced long track and short track, long
Oblique orbit connection is provided between track and short track；Sliding pin (11) is axial in the sliding slot track (10c) of central tube (10)
When mobile, central tube (10) single direction rotation can be made；Turn on pump circulating fluid to normal drilling well flow, central tube (10) is throttling
Upper spring (3) is compressed under differential pressure action, is axially moved down；Sliding slot track (10c) the short track of sliding pin (11) in central tube (10)
During position, upper through-hole (10a) can not connect with piston cylinder (8) inner cavity, and reamer wing (4) is failure to actuate；Sliding pin (11) is in center
When managing sliding slot track (10c) the long orbital position of (10), upper through-hole (10a) connects with piston cylinder (8) inner cavity, and drilling fluid, which pushes, lives
Plug tube (8) axially moves up, and reamer wing (4) radially expands, and can carry out reaming while drilling operation under this state；Per termination of pumping, turn on pump
Once, reamer wing (4) can be controlled alternately to open or retract.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610218248.4A CN105863514B (en) | 2016-04-11 | 2016-04-11 | A kind of hydraulically-controlled type reaming while drilling tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610218248.4A CN105863514B (en) | 2016-04-11 | 2016-04-11 | A kind of hydraulically-controlled type reaming while drilling tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105863514A CN105863514A (en) | 2016-08-17 |
| CN105863514B true CN105863514B (en) | 2018-06-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610218248.4A Expired - Fee Related CN105863514B (en) | 2016-04-11 | 2016-04-11 | A kind of hydraulically-controlled type reaming while drilling tool |
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| Country | Link |
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| CN (1) | CN105863514B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106401485B (en) * | 2016-11-16 | 2019-01-22 | 长江大学 | Spinning reduction hydraulic reamer |
| CN108222836A (en) * | 2018-01-03 | 2018-06-29 | 西南石油大学 | A kind of two-way reaming hole drilling tool |
| CN108386136A (en) * | 2018-03-20 | 2018-08-10 | 西南石油大学 | Reamer blade hydraulic control executing agency |
| CN109723385B (en) * | 2019-01-17 | 2021-03-19 | 西南石油大学 | PDC drill bit with diameter-keeping and reducing functions |
| CN111677494B (en) * | 2020-02-06 | 2022-03-11 | 西南石油大学 | Method, system, terminal and storage medium for judging and calculating differential pressure of logging instrument in three-dimensional curved well |
| CN113669015A (en) * | 2020-05-13 | 2021-11-19 | 中国石油化工股份有限公司 | Lifting type reaming device, drilling and reaming tool and drilling and reaming method |
| CN112983278B (en) * | 2021-04-12 | 2024-01-12 | 西华大学 | Mechanical eccentric reaming recovery positioning device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202832209U (en) * | 2012-10-29 | 2013-03-27 | 中国石油化工股份有限公司 | Sidetracking well slim hole chambering tool |
| CN202866667U (en) * | 2012-09-19 | 2013-04-10 | 中国石油集团川庆钻探工程有限公司川东钻探公司 | Dowel type tool joint passing rotary plate redressing device |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2438449C (en) * | 2003-08-22 | 2008-06-03 | Stabeco Industries Inc. | Blockless reamer |
| US7168510B2 (en) * | 2004-10-27 | 2007-01-30 | Schlumberger Technology Corporation | Electrical transmission apparatus through rotating tubular members |
| US8485282B2 (en) * | 2009-09-30 | 2013-07-16 | Baker Hughes Incorporated | Earth-boring tools having expandable cutting structures and methods of using such earth-boring tools |
-
2016
- 2016-04-11 CN CN201610218248.4A patent/CN105863514B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202866667U (en) * | 2012-09-19 | 2013-04-10 | 中国石油集团川庆钻探工程有限公司川东钻探公司 | Dowel type tool joint passing rotary plate redressing device |
| CN202832209U (en) * | 2012-10-29 | 2013-03-27 | 中国石油化工股份有限公司 | Sidetracking well slim hole chambering tool |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105863514A (en) | 2016-08-17 |
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