CN104963624A - Flow distributing type hydraulic oscillation circumferential impactor - Google Patents
Flow distributing type hydraulic oscillation circumferential impactor Download PDFInfo
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- CN104963624A CN104963624A CN201510421540.1A CN201510421540A CN104963624A CN 104963624 A CN104963624 A CN 104963624A CN 201510421540 A CN201510421540 A CN 201510421540A CN 104963624 A CN104963624 A CN 104963624A
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Abstract
The invention relates to a flow distributing type hydraulic oscillation circumferential impactor. The flow distributing type hydraulic oscillation circumferential impactor comprises a shell connector, a double-bus jet generator, a flow distributor, a gland, a hydraulic drive hammer and a transmission short joint. The double-bus jet generator abuts against the interior of the shell connector. The hydraulic drive hammer is installed at the upper portion of the transmission short joint. The flow distributor and the gland are located between the double-bus jet generator and the hydraulic drive hammer. The transmission short joint is screwed in the lower end of the shell connector and abuts against the gland. An annular groove and a flow releasing channel are formed in the inner wall of the shell connector. The annular groove corresponds to a returned liquid outlet in the outer wall of the double-bus jet generator, and a drainage hole is formed in the transmission short joint. The double-bus jet generator is a cylinder with a center runner. The center runner is divided into a left branch runner and a right branch runner through a check block. The inlet and the outlet of a pressure feedback channel in the double-bus jet generator are communicated with the center runner. Each branch runner is divided into two parts through the flow distributor. The hydraulic drive hammer is provided with symmetric arc bosses. Arc cavities contain the arc bosses. According to the flow distributing type hydraulic oscillation circumferential impactor, no weak part exists, the service life is long, and the impact effect is good.
Description
Technical field
The present invention relates to the hard drilling well instrument to hard formation in being applied in a kind of petroleum industry, be specifically related to a kind of shunting hydraulic oscillation circumference impactor.
Background technology
Under petroleum resources are day by day deficient and demand sharply increases the promotion of this two large factor, the exploration and development in new district constantly expands, the degree of depth of producing well is constantly deepened, and drilling strata becomes increasingly complex, and power linear loss is large, the chip hold down effect of fluid column to shaft bottom is obvious, bit speed is slow, and instrument is fragile, thus causes drilling period to lengthen, drilling cost uprises, and seriously constrains the process of oil-gas field development.Therefore improve deep-well, ultradeep well drilling speed is current domestic and international each oil field in the urgent need to.
Current, all kinds of impactor is the main well dynamic instrument improving deep well mechanical drilling speed.But domestic be applied to on-the-spot conventional impactor is often because of more connection, movable part, form rapid wear, weak part, there is life-span short problem.The drill bit simultaneously applied in middle-deep well mostly is PDC drill bit, owing to producing stick slip vibration during broken rock, the frequent premature failure of PDC drill bit.Therefore, the novel instrument overcome the above problems is researched and developed extremely urgent.
Summary of the invention
The object of this invention is to provide a kind of shunting hydraulic oscillation circumference impactor, this shunting hydraulic oscillation circumference impactor is for solving conventional impactor because of the problem that life-span is short, impact effect is bad connected, movable part causes more.
The technical solution adopted for the present invention to solve the technical problems is: this shunting hydraulic oscillation circumference impactor comprises housing joint, two female fluidic generator, current divider, gland, Hydro-efflux Hammer, transmission short circuit; Two female fluidic generator withstands in housing joint, and Hydro-efflux Hammer is arranged on the top of transmission short circuit, and current divider and gland are between two female fluidic generator and Hydro-efflux Hammer, and transmission short circuit screws in the lower end of housing joint and withstands on gland; Housing joint inwall has annular groove and current by pass, annular groove exports corresponding setting with the liquid that returns on two female fluidic generator outer wall, current by pass to be positioned at below annular groove and to communicate, transmission short circuit is provided with conduction hole, conduction hole one end communicates with current by pass lower end, and the conduction hole other end communicates with transmission short circuit inner chamber; Two female fluidic generator is the cylindrical body with center flow channels, center flow channels communicates with housing joint inner chamber, block is positioned at the bottom of center flow channels, center flow channels is separated into two runners in left and right, two female fluidic generator inside is provided with two the pressure feedback passages in left and right, the arranged outside of every bar pressure feedback passage returns liquid outlet, entrance, the outlet of every bar pressure feedback passage all communicate with center flow channels, each one end returning liquid outlet all communicates with center flow channels, and each other end returning liquid outlet arranges all on two female fluidic generator outer wall; Current divider is also provided with two runners, two runner upper ends connect with two runners of two female fluidic generator respectively, each runner is divided into two parts by current divider again, gland has four pod apertures communicated with current divider respectively, Hydro-efflux Hammer has symmetrical arc boss, transmission short circuit top has the arc-shaped cavity holding arc boss, and four pod apertures of gland are corresponding with four sidewalls of arc-shaped cavity respectively.
In such scheme, transmission short circuit lower end is connected with drill bit thread.
In such scheme, current divider is made up of shunt body and sprue two parts, shunt body inside is provided with two runners, article one, be straight channel, article one, be inclined flow passage, splitter box is had bottom shunt body, inclined flow passage extends to splitter box, and splitter box is symmetrically arranged with two pod apertures, and splitter box is communicated with these two pod apertures respectively; Sprue is the inner cylindrical shell with annular table, and sprue is looped around shunt body bottom and forms the splitter box of annular, and this splitter box is also symmetrically arranged with two pod apertures, and this splitter box is also communicated with two pod apertures respectively; Gland is the cylinder of an additional symmetrical ring sector volume, and has the pod apertures of four equal volume, the pod apertures of current divider and the pod apertures one_to_one corresponding of gland.
In such scheme, the center flow channels of two female fluidic generator is ampuliform, pressure feedback passage is circular duct, the entrance of pressure feedback passage is arranged on bottle middle and lower part near corresponding runner, the outlet of pressure feedback passage is provided with bottleneck, return liquid outlet between the entrance, outlet of pressure feedback passage, such pressure release is effective, and the entrance of pressure feedback passage is positioned at bottleneck, liquid stream more easily can be pushed to the runner of opposite side.
Such scheme housing joint is a hollow cylindrical body, and inner chamber upper end is female joint, and to be connected with upper drilling string, middle lower end is secondary shrink form, and the first contraction section places two female fluidic generator and current divider.
The present invention has following beneficial effect:
1, the present invention make use of hydraulic energy fully, makes drill bit produce rotational vibration while rotary work, improves efficiency of breaking rock.Meanwhile, circumferential movement also reduces stick slip vibration to the impact of creeping into.Impactor does not have the intermediate buffering such as block stamp, spring energy storage device, and also do not have the closedown of valve opening, there is not weak part, therefore the life-span is long, and impact effect is good.
2, the present invention uses the residual pressure work of drilling fluid, does not need extra makeup energy.
3, structure of the present invention is simple, is easy to realize, and cost is lower, is convenient to applying at Oil Field.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is housing joint cross-sectional view of the present invention;
Fig. 3 is the two female fluidic generator cross-sectional view of the present invention;
Fig. 4 is diversion structure schematic diagram of the present invention;
Fig. 5 is current divider cross-sectional view of the present invention;
Fig. 6 is gland structure schematic diagram of the present invention;
Fig. 7 is Hydro-efflux Hammer structure top view of the present invention;
Fig. 8 is transmission shell mechanism schematic diagram of the present invention.
In figure: 1. housing joint; 2. pair female fluidic generator; 3. Hydro-efflux Hammer; 4. current divider; 5. transmission short circuit; 6. conduction hole; 7. gland; 8. block; 9. arc-shaped cavity; 10. current by pass; 11. annular grooves; 12. center flow channels; 13. runners; 14. pressure feedback feeder connections; 15. return liquid outlet; 16. arc boss; 17. pressure feedback channel outlet; 18. shunt body; 19. sprues; 20. splitter boxs; 21. splitter boxs; 22. pod apertures.
Detailed description of the invention
The present invention is further illustrated below:
This shunting hydraulic oscillation circumference impactor comprises housing joint 1, two female fluidic generator 2, current divider 4, gland 7, Hydro-efflux Hammer 3, transmission short circuit 5; Housing joint 1 lower end screws in transmission short circuit 5, two female fluidic generator 2 withstands in housing joint 1, Hydro-efflux Hammer 3 is positioned at transmission short circuit 5 top, and current divider 4 and gland 7 are between two female fluidic generator 2 and Hydro-efflux Hammer 3, and transmission short circuit 5 screws in the lower end of housing joint 1 and withstands on gland 7; Housing joint 1 inwall has annular groove 11 and current by pass 10, annular groove 11 exports 15 corresponding settings with the liquid that returns on two female fluidic generator 2 outer wall, current by pass 10 is positioned at annular groove 11 below and communicate, transmission short circuit 5 is provided with conduction hole 6, conduction hole 6 one end communicates with current by pass 10 lower end, conduction hole 6 other end communicates with transmission short circuit 5 inner chamber, and transmission shell lower end is connected with drill bit thread.Two female fluidic generator 2 lower part runner 13 is aimed at and is connected current divider 4, circulation road under formation liquid, the task that drilling fluid by two stocks is four strands is completed at current divider 4, Hydro-efflux Hammer 3 coordinates transmission short circuit 5 to carry out reciprocating rotation impact transmission short circuit by the impulse force of liquid, form rotational vibration, finally, vibrate and be delivered to drill bit through transmission short circuit 5.
Housing joint 1 is a hollow cylindrical body, and inner chamber upper end is female joint, and to be connected with upper drilling string, middle lower end is secondary shrink form, and the first contraction section places two female fluidic generator 2 and current divider 4.Housing joint 1 is provided with annular groove 11, to make liquid flow into current by pass 10 smoothly, and then flows into its inside by transmission short circuit 5 sidewall conduction hole 6, and then flows into drill bit.
Two female fluidic generator 2 is for having the cylindrical body of center flow channels 12, center flow channels 12 communicates with housing joint 1 inner chamber, block 8 is positioned at the bottom of center flow channels 12, center flow channels 12 is divided into two runners 13 in left and right in bottom by block 8, be provided with pressure feedback path in runner, what simultaneously both sides were provided with conducting returns liquid outlet 15.Two female fluidic generator 2 inside is provided with two the pressure feedback passages in left and right, the arranged outside of every bar pressure feedback passage returns liquid outlet 15, every bar pressure feedback feeder connection 14, pressure feedback channel outlet 17 all communicate with center flow channels 12, each one end returning liquid outlet 15 all communicates with center flow channels 12, side cover and lateral column intersection have groove, and the other end returning liquid outlet 15 is arranged on the lateral column of groove.
The center flow channels 12 of two female fluidic generator 2 is ampuliform, pressure feedback passage is circular duct, pressure feedback feeder connection 14 is arranged on bottle middle and lower part near corresponding runner 13, pressure feedback channel outlet 17 is arranged on bottleneck, returns liquid outlet 15 between pressure feedback feeder connection 14, pressure feedback channel outlet 17.
Current divider 4 is made up of shunt body 18 and sprue 19 two parts, shunt body 18 inside is provided with two runners 13, article one, be straight channel, article one, be inclined flow passage, two runner upper ends connect with two runners of two female fluidic generator 2 respectively, and have splitter box 20 bottom shunt body 18, inclined flow passage extends to splitter box 20, splitter box 20 is symmetrically arranged with two pod apertures 22, and splitter box 20 is communicated with these two pod apertures 22 respectively; Sprue 19 is the inner cylindrical shell with annular table, sprue 19 is looped around shunt body 18 bottom and forms the splitter box 21 of annular, this splitter box 21 is also symmetrically arranged with two pod apertures 22, and this splitter box 21 is also communicated with two pod apertures 22 respectively, and above-mentioned two intersect mutually to totally four pod apertures 22.The pod apertures 22 of current divider 4 and pod apertures 22 one_to_one corresponding of gland 7.When liquid flows down from two female fluidic generators 2 one branch roads, inclined flow passage will be passed through, thus flow to the pod apertures 22 of a pair symmetry of gland 7 correspondence, when liquid flows down from another runner, will, by straight channel, the inner flow passage of sprue 19 be coordinated to insert the liquid in a pair pod apertures 22 of gland 7 other side symmetry.
Gland 7 is cylinders of an additional symmetrical ring sector volume, and there is the pod apertures 22 of four equal volume, four pod apertures 22 communicate with current divider 4 respectively, its effect is flowed out at the pod apertures 22 of upper level influent by correspondence, thus make Hydro-efflux Hammer 3 by clockwise or counterclockwise reciprocating rotary with the pressure of liquid.
Hydro-efflux Hammer 3 is components of a kind of motion that can rotate in a circumferential direction, its shape is a cylinder clipping bilateral symmetry arc volume, like this, Hydro-efflux Hammer 3 is made to have symmetrical arc boss 16, its arc boss 16 is slightly lower than the height of central cylinder, transmission short circuit top has the arc-shaped cavity holding arc boss, four pod apertures of gland are corresponding with four sidewalls of arc-shaped cavity respectively, drilling fluid is through two corresponding pod apertures, enter into the side-walls that two of arc-shaped cavity are symmetrical, promote Hydro-efflux Hammer to rotate round about, Hydro-efflux Hammer can be swung back and forth in arc-shaped cavity.Namely when drilling fluid flows out from the pod apertures 22 of gland 7 a pair symmetry, when entering the enclosure space of the symmetry of Hydro-efflux Hammer 3 and transmission short circuit 5 formation, Hydro-efflux Hammer 3 can be promoted rotate along a direction, impact transmission short circuit 5 wall, Hydro-efflux Hammer 3 stops operating, cause the enclosure space formed with transmission short circuit 5 to be formed to build the pressure, liquid backflows.The liquid that backflows forces liquid in two female fluidic generator 2 to change runner, flows out, promote the reverse rotation of Hydro-efflux Hammer 3, and then be rebuffed, build the pressure, feedback, liquid circulation road from another pod apertures 22 to symmetry, so realizes the rotational vibration of transmission short circuit 5 drill bit then.
Transmission short circuit 5 one aspect holds Hydro-efflux Hammer 3, plays transmission effect on the one hand: the moment of torsion of rotational vibration and upper drilling string that Hydro-efflux Hammer 3 is impacted generation passes to drill bit.Transmission short circuit 5 top has the arc-shaped cavity 9 holding arc boss 16, when drilling fluid flows out from opening, formed when can flow into the enclosure space that Hydro-efflux Hammer 3 arc boss 16 forms with transmission shell and build the pressure, promote rotating in a circumferential direction of Hydro-efflux Hammer 3, impact transmission short circuit 5, and then drive the drill vibration connect below transmission short circuit 5.
When the present invention works, drilling fluid flows into two female ejector device 2 from housing joint 1 end suitable for reading.Because there is wall attachment effect, drilling fluid first can concentrate on certain side of runner 13.Suppose that the first attached wall of liquid exports in left side runner, after shunt body 18 and current divider sprue 19 acting in conjunction shunting, two openings of the symmetry in the pod apertures 22 left by gland 7, are entered enclosure space that Hydro-efflux Hammer 3 and transmission short circuit 5 formed and are formed and build the pressure.Hydro-efflux Hammer 3 rotates to dead point under the promotion of pressure, clashes into transmission short circuit 5, causes transmission short circuit 5 to vibrate to a direction.After moving to this dead point, enclosure space pressure constantly rises, and drilling fluid returns along on former runner, return liquid runner by two female fluidic generator 2, enter the annular groove 11 of housing joint 1, enter current by pass 10, flow into drill string by the through hole of transmission side wall of outer shell inner, and then flow into drill bit.Meanwhile, in left side runner mineralization pressure feedback, force the attached wall of drilling fluid in the right runner of two female fluidic generator 2.Under the runner of right side, enclosure space fluid pressure constantly raises, and forces Hydro-efflux Hammer 3 to be rotated in opposite direction, so make transmission short circuit 5, drill bit vibrates in opposite direction.With left runner in like manner, Hydro-efflux Hammer 3 rotate to right side runner dead point time, right side runner formed feedback, make drilling fluid again attached wall in left side runner.So move in circles, the circumference just achieving drill bit is of reciprocating vibration.
Claims (5)
1. a shunting hydraulic oscillation circumference impactor, is characterized in that: this shunting hydraulic oscillation circumference impactor comprises housing joint (1), two female fluidic generator (2), current divider (4), gland (7), Hydro-efflux Hammer (3), transmission short circuit (5), two female fluidic generator (2) withstands in housing joint (1), Hydro-efflux Hammer (3) is arranged on the top of transmission short circuit (5), current divider (4) and gland (7) are positioned at two between female fluidic generator (2) and Hydro-efflux Hammer (3), and transmission short circuit (5) screws in the lower end of housing joint (1) and withstands on gland (7), housing joint (1) inwall has annular groove (11) and current by pass (10), annular groove (11) exports (15) corresponding setting with the liquid that returns on two female fluidic generator (2) outer wall, current by pass (10) is positioned at annular groove (11) below and communicate, transmission short circuit (5) is provided with conduction hole (6), conduction hole (6) one end communicates with current by pass (10) lower end, and conduction hole (6) other end communicates with transmission short circuit (5) inner chamber, two female fluidic generator (2) is for having the cylindrical body of center flow channels (10), center flow channels (10) communicates with housing joint (1) inner chamber, block (8) is positioned at the bottom of center flow channels (12), center flow channels (12) is separated into two runners (13) in left and right, two female fluidic generator (2) inside is provided with two the pressure feedback passages in left and right, the arranged outside of every bar pressure feedback passage returns liquid outlet (15), the entrance of every bar pressure feedback passage, outlet all communicates with center flow channels (12), each one end returning liquid outlet (15) all communicates with center flow channels (12), each other end returning liquid outlet (15) arranges all on two female fluidic generator (2) outer wall, current divider (4) is also provided with two runners (13), two runner (13) upper ends connect with two runners (13) of two female fluidic generator (2) respectively, each runner (13) is divided into two parts by current divider (4) again, gland (7) has four pod apertures (22) communicated with current divider (4) and Hydro-efflux Hammer (3) respectively, Hydro-efflux Hammer (3) has symmetrical arc boss (16), transmission short circuit (5) top has the arc-shaped cavity (9) of accommodation arc boss (16), four pod apertures (22) of gland (3) are corresponding with four sidewalls of arc-shaped cavity (9) respectively.
2. shunting hydraulic oscillation circumference impactor according to claim 1, is characterized in that: described transmission short circuit (5) lower end is connected with drill bit thread.
3. shunting hydraulic oscillation circumference impactor according to claim 2, it is characterized in that: described current divider (4) is made up of shunt body (18) and sprue (19) two parts, shunt body (18) inside is provided with two runners (13), article one, be straight channel, article one, be inclined flow passage, splitter box (20) is arranged at shunt body (18) bottom, inclined flow passage extends to splitter box (20), splitter box (20) is symmetrically arranged with two pod apertures (22), and splitter box (20) is communicated with these two pod apertures (22) respectively; Sprue (19) is the inner cylindrical shell with annular table, sprue (19) is looped around shunt body (18) bottom and forms the splitter box (21) of annular, this splitter box (21) is also symmetrically arranged with two pod apertures (22), and this splitter box (21) is also communicated with two pod apertures (22) respectively; Gland (7) is the cylinder of an additional symmetrical ring sector volume, and has the pod apertures (22) of four equal volume, the pod apertures (22) of current divider (4) and pod apertures (22) one_to_one corresponding of gland (7).
4. shunting hydraulic oscillation circumference impactor according to claim 3, it is characterized in that: what the center flow channels (12) of described two female fluidic generator (2) was ampuliform, pressure feedback passage is circular duct, pressure feedback feeder connection (14) is arranged on bottle middle and lower part near corresponding runner (13), pressure feedback channel outlet (17) is provided with bottleneck, returns liquid outlet (15) and is positioned between pressure feedback feeder connection (14), pressure feedback channel outlet (17).
5. shunting hydraulic oscillation circumference impactor according to claim 4, it is characterized in that: described housing joint (1) is a hollow cylindrical body, inner chamber upper end is female joint, to be connected with upper drilling string, middle lower end is secondary shrink form, and the first contraction section places two female fluidic generator (2) and current divider (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510421540.1A CN104963624B (en) | 2015-07-17 | 2015-07-17 | A kind of circumferential impactor of shunting hydraulic oscillation |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510421540.1A CN104963624B (en) | 2015-07-17 | 2015-07-17 | A kind of circumferential impactor of shunting hydraulic oscillation |
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| CN104963624A true CN104963624A (en) | 2015-10-07 |
| CN104963624B CN104963624B (en) | 2017-10-10 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105804655A (en) * | 2016-05-12 | 2016-07-27 | 万晓跃 | Rotary valve reversing type liquid power peripheral impacting device realization method and structure |
| CN105909199A (en) * | 2016-06-16 | 2016-08-31 | 中国石油集团渤海钻探工程有限公司 | Downhole hydraulic propelling device |
| CN106639881A (en) * | 2016-12-30 | 2017-05-10 | 淄博润承知识产权代理有限公司 | Hydraulic oscillator |
| CN107939293A (en) * | 2017-12-19 | 2018-04-20 | 中南大学 | Down-hole pressure impulse generator |
| CN109779531A (en) * | 2019-03-07 | 2019-05-21 | 长江大学 | A kind of fluidic oscillation double direction impulse device |
| CN113294122A (en) * | 2021-05-07 | 2021-08-24 | 中海油田服务股份有限公司 | Oscillating jet element and oscillating jet device |
| CN113338805A (en) * | 2021-06-21 | 2021-09-03 | 中石化石油机械股份有限公司 | Composite vibration hydraulic oscillator |
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| CN204139968U (en) * | 2014-10-19 | 2015-02-04 | 长江大学 | A kind of drilling well dipulse hydroscillator |
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| US20060011362A1 (en) * | 2002-01-14 | 2006-01-19 | China Petroleum & Chemical Corporation | Power transmission unit of an impactor, a hydraulic jet impactor and the application thereof |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105804655A (en) * | 2016-05-12 | 2016-07-27 | 万晓跃 | Rotary valve reversing type liquid power peripheral impacting device realization method and structure |
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| CN105909199A (en) * | 2016-06-16 | 2016-08-31 | 中国石油集团渤海钻探工程有限公司 | Downhole hydraulic propelling device |
| CN105909199B (en) * | 2016-06-16 | 2019-03-19 | 中国石油集团渤海钻探工程有限公司 | Underground hydraulic propulsion device |
| CN106639881A (en) * | 2016-12-30 | 2017-05-10 | 淄博润承知识产权代理有限公司 | Hydraulic oscillator |
| CN107939293A (en) * | 2017-12-19 | 2018-04-20 | 中南大学 | Down-hole pressure impulse generator |
| CN107939293B (en) * | 2017-12-19 | 2024-04-05 | 中南大学 | Downhole pressure pulse generator |
| CN109779531A (en) * | 2019-03-07 | 2019-05-21 | 长江大学 | A kind of fluidic oscillation double direction impulse device |
| CN109779531B (en) * | 2019-03-07 | 2023-09-19 | 长江大学 | Jet oscillating bidirectional impactor |
| CN113294122A (en) * | 2021-05-07 | 2021-08-24 | 中海油田服务股份有限公司 | Oscillating jet element and oscillating jet device |
| CN113294122B (en) * | 2021-05-07 | 2022-10-28 | 中海油田服务股份有限公司 | Oscillating jet element and oscillating jet device |
| CN113338805A (en) * | 2021-06-21 | 2021-09-03 | 中石化石油机械股份有限公司 | Composite vibration hydraulic oscillator |
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