CN205840768U - Area change is utilized to realize the drilling tool of impact of collision - Google Patents

Area change is utilized to realize the drilling tool of impact of collision Download PDF

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Publication number
CN205840768U
CN205840768U CN201620543266.5U CN201620543266U CN205840768U CN 205840768 U CN205840768 U CN 205840768U CN 201620543266 U CN201620543266 U CN 201620543266U CN 205840768 U CN205840768 U CN 205840768U
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CN
China
Prior art keywords
spline
valve plate
turbine
comb
mandrel
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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.)
Expired - Fee Related
Application number
CN201620543266.5U
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Chinese (zh)
Inventor
田家林
杨志
杨琳
吴波
吴纯明
刘刚
袁长福
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Southwest Petroleum University
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Southwest Petroleum University
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Priority to CN201620543266.5U priority Critical patent/CN205840768U/en
Application granted granted Critical
Publication of CN205840768U publication Critical patent/CN205840768U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

This utility model relates to a kind of drilling tool utilizing area change to realize impact of collision.Its technical scheme is: spline housing, upper bush, top connection, center tap, lower sleeve, lower contact pass sequentially through threaded, being internally formed cavity after Gu Ding, cavity is spline mandrel, disc spring, comb, not-go-end nut the most successively, anti-cap off, anti-lost pipe nipple, turbine wheel shaft, rotational valve plate, ball roller, static valve plate;Spline is used to be connected between spline mandrel and spline housing;Disc spring is fixed between spline mandrel and comb, and coordinates with the upper bush shaft shoulder;Comb upper end is connected with multiple key core male thread, threadeds with not-go-end nut in lower end;Rotational valve plate upper end is connected with turbine short-section thread, and lower end is coordinated by end face ball roller with static valve plate;Static valve plate and lower sleeve shaft shoulder interference fit.This utility model utilizes the impact of collision of area change property performance period, can reduce the friction between drill string and the borehole wall, improves drilling efficiency.

Description

Area change is utilized to realize the drilling tool of impact of collision
Technical field
The present invention relates to one utilizes turbine drive internal structure to rotate for oil-gas drilling engineering field, passes through The change of mud area of passage produces pressure pulse, it is achieved the drilling tool of impact of collision.
Background technology
Along with the high speed development of petroleum industry, oil demand is improved by people day by day, owing to Shallow Oil-Gas resource is the most withered Exhausting, drilling well is high to recovery ratio, saves cost of winning direction and develops.Horizontal well and extended reach well compared with straight well drainage area more Greatly, and can solve the problem that the well type of some special operation conditions and creeping into of oil reservoir, improve the rate of oil and gas recovery, its answering in oil field development With more and more extensive.But in horizontal well and extended reach well drilling process, drill string at hole curvature compared with big or horizontal segment is long Well section can produce bigger frictional resistance, drag pressure phenomenon, affect drilling well performance and efficiency.Frictional resistance is big, drag pressure not only to have a strong impact on level The rate of penetration of well, simultaneously it is also possible to cause the generation of the down-hole accident such as stick-slip, bit freezing.How to reduce between drill string and the borehole wall Friction, improve drilling efficiency, be the most all that drilling tool develops the difficult problem that faced.
During directional well and horizontal well drilling, slipping drilling is generally used to enter mode to change well direction, increasing hole angle And drop angle.And this drilling mode makes the friction between drilling tool and the borehole wall mostly be static friction, drill string is made to produce stick-slip, drag pressure etc. existing As.Solving the effective method of problems at present makes drilling tool exactly during creeping into, and is rushed by periodic extensional vibration Hit, the static friction between itself and the borehole wall is converted into dynamic friction, thus reduces frictional force, improve the transmission efficiency of the pressure of the drill.
Summary of the invention
In order to explore, the frictional resistance described in solution background technology is big, drag pressure phenomenon, the static friction suffered by bottomhole is turned Become dynamic friction, the invention provides a kind of drilling tool utilizing area change to realize impact of collision.The spudder of the present invention Tool as dynamic medium, utilizes high pressure liquid stream energy with drilling fluid (mud), drives turbine rotation.Rotational valve plate drives at turbine Producing rotary motion under Dong, its via area produces cyclically-varying with the via area of static valve plate, thus produces longitudinal pressure Power pulse, pulse can be to the transmission of drilling tool both sides, and the extensional vibration being communicated up makes spline housing move upward with upper bush entirety, by Being relatively fixed in spline mandrel, being stuck in the disc spring between spline mandrel and comb will be compressed, the pressure pulse being continually changing Forcing the continuous degree of tightness of disc spring, allow whole drilling tool can produce the most reciprocal extensional vibration, reach to reduce frictional resistance, raising is crept into The purpose of efficiency.
The technical scheme is that the drilling tool utilizing area change to realize impact of collision, it is characterised in that: spline Set, upper bush, top connection, center tap, lower sleeve, lower contact pass sequentially through threaded, are internally formed cavity, cavity after fixing Spline mandrel, disc spring, comb, not-go-end nut the most successively, anti-cap off, anti-lost pipe nipple, turbine wheel shaft, rotational valve plate, ball Roller, static valve plate;Spline is used to be connected between spline mandrel and spline housing;Disc spring is stuck between spline mandrel and comb, and Coordinate with the upper bush shaft shoulder;Comb upper end is connected with multiple key core male thread, threadeds with not-go-end nut in lower end;On anti-lost pipe nipple End is connected with anti-lost cap thread, threadeds with turbine wheel shaft in lower end;Support ring circumference uniform 12 through holes, its outer surface with in connect Head thread connects, endoporus and anti-lost pipe nipple coaxial cooperation;Upper cock uniform 12 through holes of circumference;Upper cock and lower cock respectively with Lower sleeve is threaded, fixed turbine stator;Turbine rotor uses spline to be connected with turbine wheel shaft;Turbine wheel shaft lower end and turbine pipe nipple Threaded;Rotational valve plate upper end and turbine pipe nipple are threaded connection fixed adjustment pad, and lower end and static valve plate pass through ball Roller end face coordinates;Static valve plate and lower sleeve shaft shoulder interference fit;It addition, be provided with spline lip between spline mandrel and spline housing Envelope and lead ring;The spline of spline mandrel is provided with retaining ring and wear ring;Piston and piston it is provided with between comb and piston bush Lip seals.The invention has the beneficial effects as follows: the area change that utilizes of (1) this invention realizes the downhole tool of impact of collision by drilling tool And the static friction between the borehole wall for dynamic friction, thus will enough reduce the frictional force suffered by drilling tool, improve drilling efficiency.(2) utilize Turbine drive rotates valve block, and generation is longitudinal shakes to make mud be changed by the area of passage between rotation valve block and static valve block Dynamic, coordinate disc spring jointly to promote drilling tool to produce and periodically move back and forth, simple in construction is effective, improves capacity usage ratio;(3) With other instruments with the use of, it is possible to effectively control and increase the rate of penetration of drill bit, extend the service life of drilling tool.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention;
Fig. 2 is the sectional view in A-A face in Fig. 1 of the present invention;
Fig. 3 is the sectional view in B-B face in Fig. 1 of the present invention;
1-spline mandrel in figure, 2-spline lip seals, 3-lead ring, 4-spline housing, 5-upper bush, 6-retaining ring, 7-wear ring, 8-disc spring, 9-comb, 10-piston bush, 11-piston, 12-piston lip seals, 13-not-go-end nut, 14-top connection, 15-center tap, 16-is anti-to be capped off, the anti-lost pipe nipple of 17-, 18-lower sleeve, 19-support ring, the upper cock of 20-, 21-turbine wheel shaft, 22-turbine stator, 23- Turbine rotor, cock under 24-, 25-turbine pipe nipple, 26-adjusts pad, 27-rotational valve plate, 28-ball roller, the static valve plate of 29-, 30-lower contact.
Detailed description of the invention
The invention will be further described below in conjunction with the accompanying drawings:
See accompanying drawing 1, utilize area change to realize the drilling tool of impact of collision, it is characterised in that: spline housing 4, upper set Cylinder 5, top connection 14, center tap 15, lower sleeve 18, lower contact 30 pass sequentially through threaded, are internally formed cavity after fixing, empty Chamber is spline mandrel 1, disc spring 8, comb 9, not-go-end nut 13 the most successively, anti-cap off 16, anti-lost pipe nipple 17, turbine wheel shaft 21, rotational valve plate 27, ball roller 28, static valve plate 29;Spline is used to be connected between spline mandrel 1 with spline housing 4;Disc spring 8 is blocked Between spline mandrel 1 and comb 9, and coordinate with upper bush 5 shaft shoulder;Threaded with spline mandrel 1 in comb 9 upper end, lower end Threaded with not-go-end nut 13;Anti-lost pipe nipple 17 upper end caps off 16 threaded with anti-, threadeds with turbine wheel shaft 21 in lower end; Support ring 19 uniform 12 through holes of circumference, its outer surface threadeds with center tap 15, endoporus and anti-lost pipe nipple 17 coaxial cooperation; Upper cock 20 uniform 12 through holes of circumference;Upper cock 20 is threadeded with lower sleeve 18 respectively with lower cock 24, and fixed turbine is fixed Son 22 turbine rotors 23 use spline to be connected with turbine wheel shaft 21;Threaded with turbine pipe nipple 25 in turbine wheel shaft 21 lower end;Rotate valve Plate 27 upper end and turbine pipe nipple 25 are threaded connection fixed adjustment pad 26, and lower end and static valve plate 29 are by ball roller 28 end Face coordinates;Static valve plate 29 and lower sleeve 18 shaft shoulder interference fit;It addition, be provided with spline lip between spline mandrel 1 and spline housing 4 Envelope 2 and lead ring 3;The spline of spline mandrel 1 is provided with retaining ring 6 and wear ring 7;It is provided with work between comb 9 and piston bush 10 Plug 11 and piston lip envelope 12.
During operation, mud pass sequentially through spline mandrel 4, comb 9, anti-cap off 16, top connection 14, center tap 15, support ring 19, in upper cock 20 enters lower sleeve 18 cavity, turbine rotation is driven.Rotational valve plate 27 produces rotation fortune under turbine drive Dynamic, its via area produces cyclically-varying with the via area of static valve plate 29, thus produces longitudinal pressure pulse, pulse meeting Transmitting to drilling tool both sides, the extensional vibration being communicated up makes spline housing 4 move upward with upper bush 5 entirety, due to spline mandrel 1 Being relatively fixed, the disc spring 8 being stuck between spline mandrel 1 and comb 9 will be compressed, and the pressure pulse being continually changing forces dish The continuous degree of tightness of spring 8, allows whole drilling tool can produce the most reciprocal extensional vibration.

Claims (3)

1. utilize area change to realize the drilling tool of impact of collision, by spline mandrel (1), spline lip envelope (2), lead ring (3), flower Key set (4), upper bush (5), retaining ring (6), wear ring (7), disc spring (8), comb (9), piston bush (10), piston (11), live Plug lip envelope (12), not-go-end nut (13), top connection (14), center tap (15), prevent capping off (16), anti-lost pipe nipple (17), lower sleeve (18), support ring (19), upper cock (20), turbine wheel shaft (21), turbine stator (22), turbine rotor (23), lower cock (24), whirlpool Wheel pipe nipple (25), adjusts pad (26), rotational valve plate (27), ball roller (28), static valve plate (29), and lower contact (30) forms, It is characterized in that: spline housing (4), upper bush (5), top connection (14), center tap (15), lower sleeve (18), lower contact (30) depend on Secondary be threaded connection, fixing after be internally formed cavity, cavity is spline mandrel (1), disc spring (8), comb the most successively (9), not-go-end nut (13), anti-cap off (16), anti-lost pipe nipple (17), turbine wheel shaft (21), rotational valve plate (27), ball roller (28), Static valve plate (29);Spline is used to be connected between spline mandrel (1) with spline housing (4);Disc spring (8) be stuck in spline mandrel (1) with Between comb (9), and coordinate with upper bush (5) shaft shoulder;Threaded with spline mandrel (1) in comb (9) upper end, lower end and not-go-end Nut (13) is threaded;Anti-lost pipe nipple (17) upper end caps off (16) threaded with anti-, and lower end is with turbine wheel shaft (21) screw thread even Connect;Support ring (19) uniform 12 through holes of circumference, its outer surface threadeds with center tap (15), endoporus and anti-lost pipe nipple (17) Coaxial cooperation;Upper cock (20) uniform 12 through holes of circumference;Upper cock (20) and lower cock (24) respectively with lower sleeve (18) spiral shell Stricture of vagina connects, fixed turbine stator (22);Turbine rotor (23) uses spline to be connected with turbine wheel shaft (21);Turbine wheel shaft (21) lower end with Turbine pipe nipple (25) is threaded;Rotational valve plate (27) upper end and turbine pipe nipple (25) are threaded connection fixed adjustment pad (26), lower end is coordinated by ball roller (28) end face with static valve plate (29);Static valve plate (29) and lower sleeve (18) shaft shoulder mistake It is full of cooperation;It addition, be provided with spline lip envelope (2) and lead ring (3) between spline mandrel (1) and spline housing (4);Spline mandrel (1) Spline is provided with retaining ring (6) and wear ring (7);Piston (11) and piston lip it is provided with between comb (9) and piston bush (10) Envelope (12).
The drilling tool utilizing area change to realize impact of collision the most according to claim 1, it is characterised in that: described The through hole of rotational valve plate (27) uniform 12 a diameter of 16mm of circumference;Static valve plate (29) uniform 12 a diameter of 18mm's of circumference Through hole;Rotational valve plate (27) lower surface and static valve plate (29) upper surface are provided with cannelure, can be free by ball roller (28) Rotate, reduce the friction of contact end face.
The drilling tool utilizing area change to realize impact of collision the most according to claim 1, it is characterised in that: described Rotational valve plate (27) produces rotary motion under turbine drive, and its via area produces week with the via area of static valve plate (29) Phase property changes, thus produces longitudinal pressure pulse, and pulse can be transmitted to drilling tool both sides, and the extensional vibration being communicated up makes spline housing (4) move upward with upper bush (5) entirety, owing to spline mandrel (1) is relatively fixed, be stuck in spline mandrel (1) and comb (9) it Between disc spring (8) will be compressed, the pressure pulse being continually changing forces disc spring (8) constantly degree of tightness, and whole drilling tool can be produced The most reciprocal raw extensional vibration.
CN201620543266.5U 2016-06-06 2016-06-06 Area change is utilized to realize the drilling tool of impact of collision Expired - Fee Related CN205840768U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620543266.5U CN205840768U (en) 2016-06-06 2016-06-06 Area change is utilized to realize the drilling tool of impact of collision

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620543266.5U CN205840768U (en) 2016-06-06 2016-06-06 Area change is utilized to realize the drilling tool of impact of collision

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108457597A (en) * 2018-02-28 2018-08-28 西南石油大学 A kind of combination sealing formula long-life oscillation assembly
CN110410000A (en) * 2018-04-27 2019-11-05 中国石油化工股份有限公司 A kind of underground aided drilling tool
CN111335807A (en) * 2020-03-13 2020-06-26 宋桂霞 Turbine percussion drill

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108457597A (en) * 2018-02-28 2018-08-28 西南石油大学 A kind of combination sealing formula long-life oscillation assembly
CN110410000A (en) * 2018-04-27 2019-11-05 中国石油化工股份有限公司 A kind of underground aided drilling tool
CN110410000B (en) * 2018-04-27 2020-10-20 中国石油化工股份有限公司 Well drilling assisting tool
CN111335807A (en) * 2020-03-13 2020-06-26 宋桂霞 Turbine percussion drill
CN111335807B (en) * 2020-03-13 2021-07-16 宋桂霞 Turbine percussion drill

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20161228

Termination date: 20170606