CN106930688A - A kind of eddy current type waterpower pulse axial impact instrument - Google Patents
A kind of eddy current type waterpower pulse axial impact instrument Download PDFInfo
- Publication number
- CN106930688A CN106930688A CN201710136410.2A CN201710136410A CN106930688A CN 106930688 A CN106930688 A CN 106930688A CN 201710136410 A CN201710136410 A CN 201710136410A CN 106930688 A CN106930688 A CN 106930688A
- Authority
- CN
- China
- Prior art keywords
- waterpower pulse
- guiding gutter
- overcoat
- mandrel
- housing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000012530 fluid Substances 0.000 claims abstract description 40
- 239000007921 spray Substances 0.000 claims description 19
- 239000011435 rock Substances 0.000 abstract description 8
- 230000035515 penetration Effects 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000002708 enhancing effect Effects 0.000 abstract 1
- 238000005457 optimization Methods 0.000 abstract 1
- 238000005553 drilling Methods 0.000 description 24
- 238000005516 engineering process Methods 0.000 description 13
- 238000009527 percussion Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 210000002445 nipple Anatomy 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 210000001138 tear Anatomy 0.000 description 1
- 238000005406 washing Methods 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
- E21B4/00—Drives for drilling, used in the borehole
- E21B4/06—Down-hole impacting means, e.g. hammers
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (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 provides a kind of eddy current type waterpower pulse axial impact instrument, including a housing for tubulose, waterpower pulse generating means is set in housing, overcoat is connected on housing to fix waterpower pulse generating means, matched mandrel is set in overcoat, connection between overcoat and mandrel can be that spline or polygon are connected, mandrel lower end connects anti-lost nut, the pressure wave characteristics that pulse generating unit is produced can be controlled by the growth of the vortex in vortex cavity flow path and decay, flow path is a bistable fluidic switch, one runner points to vortex cavity tangential direction, one runner points to fluid issuing.By the structure using the above, with following beneficial effect：Bottom hydraulic energy enhancing drill bit impact power, optimization bottom-hole flow field, improvement drill bit and rock force-bearing situation, improve rate of penetration.
Description
Technical field
It is that a kind of eddy current type waterpower pulse is axially rushed the present invention relates to oil, natural gas extraction drilling speed technical field
Hit instrument.
Background technology
In recent years, increasingly increasing with horizontal well and deep-well, bores when meeting the strong stratum of hard and abrasiveness, uses routine
The low problem of power drilling tool generally existing rate of penetration.In order to improve drilling efficiency, occur in that in succession pulse cavitating jet drilling well,
The technologies such as rotary percussion drilling, particle stream flow drilling well, superhigh pressure jetting drilling well, controlled pressure drilling.But these technologies are applied at the scene
In there is certain deficiency, such as particle stream flow drilling technology and controlled pressure drilling technical equipment be complicated, investment is big, superhigh pressure jetting
Drilling technology needs to provide high pressure slurry pump；Rotary percussion drilling technology and pulsing jet drilling technology simple structure, can be effective
Drilling speed is improved, but the range of application and job stability of the two have certain limitation, such as the liquid of current oil drilling application
Dynamic impactor, including valve type, jetting type, jet absorption type, move to realize repeatedly by block stamp high frequency, guiding valve, spring in instrument,
The parts such as block stamp are easily damaged, and the service life of instrument is shorter, and processed complex, maintenance hardly possible；Hydraulic pulse well drilling equipment is more
Determine valve and produce waterpower pulse, more moving component to also limit the use of instrument by the way that turbine or screw drive are dynamic.With
After occur in that waterpower pulse rotating drilling technology, rotary percussion drilling technology and pulsing jet drilling technology are combined, comprehensive two
The advantage of class technology, improves stress, the reinforcing bottom-hole cleaning of bottom rock, effectively improves rate of penetration.Such as patent
In a kind of drilling water power pulsers of CN201520631449, pulsing jet is formed by self-oscillation, week is applied to drill bit
The impact forces of phase property, but the self-excited oscillation cavity produces waterpower pulse amplitude smaller, and self-oscillation nozzle rapid wear；
In a kind of vibratory impulse pipe nipples of CN201520848134, valve generation waterpower pulse, its fortune are determined by the way that screw rod or turbine drives are dynamic
Dynamic component is more, and it is dynamic determine separation occurs after valve weares and teares, the problem that the waterpower pulse of generation of damming can weaken.
Based on posed problems above, the present inventor relies on the experiences and practices for being engaged in relevant industries for many years, with reference to waterpower
Pulse drilling technology and rotary percussion drilling technology, propose and devise a kind of eddy current type waterpower pulse axial impact instrument, with
Overcome the defect of prior art.
The content of the invention
The purpose of the present invention is to solve the shortcomings of the prior art, there is provided a kind of eddy current type waterpower pulse axial impact work
Tool, improves the efficiency of breaking rock on stratum, reduces drilling cost.
To solve above-mentioned purpose, the technical solution adopted in the present invention is：A kind of eddy current type waterpower pulse axial impact work
Waterpower pulse generating means is set in tool, including a housing for tubulose, housing, overcoat is connected on housing waterpower pulse is occurred
Device is fixed, and matched mandrel is set in overcoat, and the connection between overcoat and mandrel can be that spline or polygon are connected,
Mandrel lower end connects anti-lost nut, and diametrically subdivision is 2 parts to waterpower pulse generating means, and fluid intake is provided with section
And fluid issuing, fluid intake is provided with spray tank, and is connected with fluid intake, and fluid intake and spray tank periphery are provided with ring
Shape groove, annular channel is connected with spray tank, and flow path groove is set after spray tank, and flow path groove is divided into guiding gutter and lower guiding gutter, on
Guiding gutter and lower guiding gutter are connected with vortex cavity, and upper guiding gutter points to fluid issuing, and lower guiding gutter points to vortex cavity tangential direction, vortex cavity
Tangential direction is provided with backflow runner and lower backflow runner, is connected with annular channel.
The present invention provide a kind of eddy current type waterpower pulse axial impact instrument, by using the above structure, with
Under beneficial effect：
1st, the present invention strengthens drill bit impact power by axial mechanical shock and the collective effect of waterpower pulse, optimizes shaft bottom
Flow field, improves rock force-bearing situation, improves rate of penetration；
2nd, the present invention is converted into the axial impact drilling well of machinery by waterpower pulse, without the movable parts such as block stamp, structure
Simply, easy processing, life tools are up to hundreds of hours, long service life, dependable performance；
3rd, waterpower pulse generating means of the invention produces waterpower pulse using vortex, and pulse amplitude is larger, and without any
Moving component, structure reliability, long lifespan.
Brief description of the drawings
The invention will be further described with reference to the accompanying drawings and examples：
Fig. 1 is front view structure schematic cross-sectional view of the invention.
Fig. 2 and Fig. 3 is waterpower pulse generating means schematic three dimensional views of the invention.
Fig. 4 is waterpower pulse generating means front view structure schematic cross-sectional view of the invention.
Fig. 5 is the Section A-A figure of Fig. 1.
Fig. 6 is another Section A-A figure of Fig. 1.
In figure：Housing 1, waterpower pulse generating means 2, the top half 201 of waterpower pulse generating means, waterpower pulse hair
The latter half 202 of generating apparatus, section 203, fluid intake 204, spray tank 205, flow path groove 206, upper guiding gutter 207, under lead
Chute 208, vortex cavity 209, upper backflow runner 210, lower backflow runner 211, annular channel 212, fluid issuing 213, overcoat 3, core
Axle 4, anti-lost nut 5, spline 6, polygon 7.
Specific embodiment
In such as Fig. 1, a kind of eddy current type waterpower pulse axial impact instrument, including a housing for tubulose 1, is set in housing 1
Waterpower pulse generating means 2 is put, overcoat 3 is connected on housing 1 and is fixed waterpower pulse generating means 2, set in overcoat 3 and matched somebody with somebody therewith
The mandrel 4 of conjunction, the connection between overcoat 3 and mandrel 4 can be that spline 6 or polygon 7 are connected, and the lower end of mandrel 4 connects anti-lost spiral shell
Female 5, the lower end of housing 1 sets lower contact, and the upper end of mandrel 4 sets top connection, upper lower contact can as needed for male joint or
Female joint.
As in Fig. 2, diametrically subdivision is 2 parts 201 and 202 to waterpower pulse generating means 2, and section is 203.
As in Fig. 3, fluid intake 204 and fluid issuing 213 being provided with section 203, fluid intake 204 is provided with injection
Groove 205, and connected with fluid intake 204, fluid intake 204 and the periphery of spray tank 205 are provided with annular groove 212, annular channel
212 are connected with spray tank 206, and flow path groove 206 is set after spray tank 205, and 206 points of flow path groove is upper guiding gutter 207 and lower water conservancy diversion
Groove 208, upper guiding gutter 207 and lower guiding gutter 208 are connected with vortex cavity 209, and upper guiding gutter 207 points to fluid issuing 205, lower water conservancy diversion
Groove 208 points to the tangential direction of vortex cavity 209, and the tangential direction of vortex cavity 209 is provided with backflow runner 210 and lower backflow runner 211,
Connected with annular channel 212.
As in Fig. 4,5, the connection between overcoat 3 and mandrel 4 can be that spline 6 or polygon 7 are connected.
The operation principle of eddy current type waterpower pulse axial impact instrument is：Waterpower pulse generating means 2 is produced periodically
Waterpower pulse, the difference in magnitude that there is crest and trough due to waterpower pulse, eddy current type waterpower pulse axial impact instrument is in waterpower
Periodic axial vibration is produced to impact under impulse action, the pressure of the drill for bearing drill bit produces fluctuation, tool torque passes through overcoat 3
And mandrel 4 between set spline 6 or polygon 7 be delivered to drill bit, due to oscillating load can relative reduction rock destruction
Intensity, therefore drill bit rock breaking efficiency can be improved, while hydraulic power pulse device forms pulsing jet acts on shaft bottom, enhance shaft bottom clear
The effect of washing, improves bottom rock force-bearing situation, improves mechanical rock breaking efficiency.
The waterpower pulse mechanism of production of waterpower pulse generating means is：Fluid passes through fluid intake 204, by spray tank
205 fluids accelerate to flow into flow path groove 206, and fluid can flow by upper guiding gutter 207 and lower guiding gutter 208, due to attached wall effect
Should, fluid is at random along a flow passage in upper guiding gutter 207 and lower guiding gutter 208, it is assumed that fluid is first along lower guiding gutter 208
Flowing, fluid tangentially flows into vortex cavity 209, and fluid forms vortex in vortex cavity 209, now pressure at fluid intake 204
Increase, produce high pressure, with the increase of strength of vortex, upper some fluid of backflow runner 210 enters, through annular channel 212,
Lower commutation runner 215, the fluid that spray tank 205 sprays sprays the disturbance of fluid through lower commutation runner 215 upwards, and fluid is led by down
Chute 208 gradually commutates to guiding gutter 207, and fluid flows to the fluid issuing 213 at the center of vortex cavity 209, and fluid is flowed directly out, stream
The pressure of body entrance 204 does not increase, the low-pressure area in waterpower pulse, with the increase of flow, lower backflow runner 211 some
Fluid enters, and through annular channel 212, upper commutation runner 214, the fluid that spray tank 205 sprays sprays downwards through upper commutation runner 214
The disturbance of jet body, fluid reversing flows into lower guiding gutter 208, is so concatenated to form periodic waterpower pulse.
The above embodiments are only a kind of optimal technical scheme of the invention, and are not construed as limitation of the invention,
The feature in embodiment and embodiment in the application can mutually be combined in the case where not conflicting.Guarantor of the invention
The equivalent of technical characteristic is replaced in the technical scheme that shield scope should be recorded with claim, including the technical scheme of claim record
Scheme is changed for protection domain.Equivalent i.e. within this range is improved, also within protection scope of the present invention.
Claims (2)
1. waterpower is set in a kind of eddy current type waterpower pulse axial impact instrument, an including housing for tubulose (1), housing (1)
Pulse generating unit (2), it is fixed by waterpower pulse generating means (2) to connect overcoat (3) on housing (1), set in overcoat (3) with
Cooperation mandrel (4), mandrel (4) lower end connects anti-lost nut (5), and diametrically subdivision is 2 to waterpower pulse generating means (2)
Partly (201) and (202), fluid intake (204) and fluid issuing (213), fluid intake (204) are provided with section (203)
Spray tank (205) is provided with, and is connected with fluid intake (204), fluid intake (204) and spray tank (205) periphery are provided with
Annular groove (212), annular channel (212) is connected with spray tank (206), and spray tank (205) sets flow path groove (206), runner afterwards
Groove (206) is divided into guiding gutter (207) and lower guiding gutter (208), upper guiding gutter (207) and lower guiding gutter (208) and vortex cavity
(209) connect, upper guiding gutter (207) points to fluid issuing (205), lower guiding gutter (208) points to vortex cavity (209) tangential direction,
Vortex cavity (209) tangential direction is provided with backflow runner (210) and lower backflow runner (211), is connected with annular channel (212).
2. a kind of eddy current type waterpower pulse axial impact instrument according to claim 1, it is characterized in that：Described overcoat
(3) connection and between mandrel (4) can be that spline (6) or polygon (7) are connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710136410.2A CN106930688A (en) | 2017-03-09 | 2017-03-09 | A kind of eddy current type waterpower pulse axial impact instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710136410.2A CN106930688A (en) | 2017-03-09 | 2017-03-09 | A kind of eddy current type waterpower pulse axial impact instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106930688A true CN106930688A (en) | 2017-07-07 |
Family
ID=59431936
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710136410.2A Pending CN106930688A (en) | 2017-03-09 | 2017-03-09 | A kind of eddy current type waterpower pulse axial impact instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106930688A (en) |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107795282A (en) * | 2017-11-21 | 2018-03-13 | 中南大学 | Double control road pulsing jet button bit |
| CN108425626A (en) * | 2018-03-05 | 2018-08-21 | 中国石油集团川庆钻探工程有限公司长庆钻井总公司 | A kind of pitching control formula hydraulic pulse tool and method |
| CN108678659A (en) * | 2018-05-11 | 2018-10-19 | 西南石油大学 | A kind of underground drop is rubbed low frequency impact drilling tool |
| CN108798501A (en) * | 2018-05-08 | 2018-11-13 | 中国石油大学(华东) | Axial jet drilling speed-raising tool |
| CN109915030A (en) * | 2019-04-23 | 2019-06-21 | 西南石油大学 | The PDC drill bit of multidirectional coupled pulse oscillation |
| CN109915029A (en) * | 2019-04-23 | 2019-06-21 | 西南石油大学 | The PDC drill bit of multidirectional coupling fluidic oscillation |
| CN110017102A (en) * | 2019-05-24 | 2019-07-16 | 杰瑞能源服务有限公司 | A kind of fluid power pulsative oscillation tool |
| CN112112569A (en) * | 2020-09-07 | 2020-12-22 | 中石化石油机械股份有限公司 | Oscillating sliding vane jet flow range-increasing hydraulic oscillator |
| CN112112572A (en) * | 2020-09-07 | 2020-12-22 | 中石化石油机械股份有限公司 | Hydraulic oscillator with upper oscillating slide plate and jet range increasing function |
| CN112112570A (en) * | 2020-09-07 | 2020-12-22 | 中石化石油机械股份有限公司 | Method for increasing output power of jet flow hydraulic oscillator |
| CN112112568A (en) * | 2020-09-07 | 2020-12-22 | 中石化石油机械股份有限公司 | Lower oscillation sliding vane jet flow range-extending hydraulic oscillator |
| CN113863861A (en) * | 2021-10-22 | 2021-12-31 | 中南大学 | Single feedback channel vortex cavity type pressure pulse generating device |
| CN114183077A (en) * | 2021-12-01 | 2022-03-15 | 中国海洋石油集团有限公司 | Downhole hydraulic vibration-assisted casing running and well cementation integrated combined tool and use method thereof |
| CN115596422A (en) * | 2022-12-16 | 2023-01-13 | 新疆石油管理局有限公司（Cn） | Shale oil directional fracturing device and method for coiled tubing horizontal well |
| CN117307017A (en) * | 2023-11-29 | 2023-12-29 | 中石化西南石油工程有限公司 | Built-in drill bit type hydraulic impactor |
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| CN105840128A (en) * | 2016-04-14 | 2016-08-10 | 邓福成 | Vortex vibration device |
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| US4323991A (en) * | 1979-09-12 | 1982-04-06 | The United States Of America As Represented By The Secretary Of The Army | Fluidic mud pulser |
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Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107795282A (en) * | 2017-11-21 | 2018-03-13 | 中南大学 | Double control road pulsing jet button bit |
| CN107795282B (en) * | 2017-11-21 | 2023-10-27 | 中南大学 | Double control channel pulse jet ball tooth drill bit |
| CN108425626A (en) * | 2018-03-05 | 2018-08-21 | 中国石油集团川庆钻探工程有限公司长庆钻井总公司 | A kind of pitching control formula hydraulic pulse tool and method |
| CN108798501A (en) * | 2018-05-08 | 2018-11-13 | 中国石油大学(华东) | Axial jet drilling speed-raising tool |
| CN108678659A (en) * | 2018-05-11 | 2018-10-19 | 西南石油大学 | A kind of underground drop is rubbed low frequency impact drilling tool |
| CN109915030A (en) * | 2019-04-23 | 2019-06-21 | 西南石油大学 | The PDC drill bit of multidirectional coupled pulse oscillation |
| CN109915029A (en) * | 2019-04-23 | 2019-06-21 | 西南石油大学 | The PDC drill bit of multidirectional coupling fluidic oscillation |
| CN110017102A (en) * | 2019-05-24 | 2019-07-16 | 杰瑞能源服务有限公司 | A kind of fluid power pulsative oscillation tool |
| CN112112572A (en) * | 2020-09-07 | 2020-12-22 | 中石化石油机械股份有限公司 | Hydraulic oscillator with upper oscillating slide plate and jet range increasing function |
| CN112112570A (en) * | 2020-09-07 | 2020-12-22 | 中石化石油机械股份有限公司 | Method for increasing output power of jet flow hydraulic oscillator |
| CN112112568A (en) * | 2020-09-07 | 2020-12-22 | 中石化石油机械股份有限公司 | Lower oscillation sliding vane jet flow range-extending hydraulic oscillator |
| CN112112569A (en) * | 2020-09-07 | 2020-12-22 | 中石化石油机械股份有限公司 | Oscillating sliding vane jet flow range-increasing hydraulic oscillator |
| CN113863861A (en) * | 2021-10-22 | 2021-12-31 | 中南大学 | Single feedback channel vortex cavity type pressure pulse generating device |
| CN114183077A (en) * | 2021-12-01 | 2022-03-15 | 中国海洋石油集团有限公司 | Downhole hydraulic vibration-assisted casing running and well cementation integrated combined tool and use method thereof |
| CN114183077B (en) * | 2021-12-01 | 2023-12-05 | 中国海洋石油集团有限公司 | Underground hydraulic vibration assisted casing running and well cementation integrated combined tool and use method thereof |
| CN115596422A (en) * | 2022-12-16 | 2023-01-13 | 新疆石油管理局有限公司（Cn） | Shale oil directional fracturing device and method for coiled tubing horizontal well |
| CN115596422B (en) * | 2022-12-16 | 2023-04-07 | 新疆石油管理局有限公司 | Shale oil directional fracturing device and method for coiled tubing horizontal well |
| CN117307017A (en) * | 2023-11-29 | 2023-12-29 | 中石化西南石油工程有限公司 | Built-in drill bit type hydraulic impactor |
| CN117307017B (en) * | 2023-11-29 | 2024-03-29 | 中石化西南石油工程有限公司 | Built-in drill bit type hydraulic impactor |
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Application publication date: 20170707 |