CN204476267U - There is the mud motor of deflecting function - Google Patents
There is the mud motor of deflecting function Download PDFInfo
- Publication number
- CN204476267U CN204476267U CN201520152887.6U CN201520152887U CN204476267U CN 204476267 U CN204476267 U CN 204476267U CN 201520152887 U CN201520152887 U CN 201520152887U CN 204476267 U CN204476267 U CN 204476267U
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- transmission shaft
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- drive shaft
- screw thread
- universal drive
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Abstract
The utility model discloses a kind of mud motor with deflecting function for horizontal well drilling and inclined shaft, solve that power drilling tool intensity is low, frictional resistance large, problem that drilling tool application life is short.Its technical scheme is: this drilling tool is made up of power section, sweep, bearing portions, wherein power section is that screw motor drives, mechanical energy is passed to power transmission shaft by universal drive shaft by motor, sweep and bearing portions are unified in transmission shaft shell part, shorten the overall dimension of drilling tool, sweep is away from screwed connection place of transmission shaft shell and universal shaft housing, and reduce the pressure of screwed connection place, the angle of sweep is 3 degree.The utility model meets the needs of directional well, horizontal well, Multilateral Wells increasing hole angle, drop angle, hold angle, improves the reliability of drilling tool, extends drilling tool application life.
Description
Technical field
The utility model relates to a kind of mud motor with deflecting function for horizontal well drilling and inclined shaft.
Background technology
Along with the needs that increase and the old filed of In Oil Field Exploration And Development are taped the latent power, mud motor is widely used in the oil drillings such as directional well, horizontal well, Multilateral Wells.Have the drilling well model that two kinds main at present: one is rotating model, one is gliding model.Rotating model makes drill bit keep rectilinear motion in drilling process; In drilling process, when drill bit deviate from predetermined wellbore trace, gliding model will make drill bit creep into along certain angle, and get back to projected path.This power drilling tool can complete the several work such as increasing hole angle, hold angle or drop angle, achieves the continuity of drilling well and hole trajectory control to a certain extent.Current guiding power drilling tool used is primarily of power section, sweep and bearing portions composition, wherein sweep majority appears at shell body connection of thread, make the pressure of sweep increase like this, the reliability of entire drill tool reduces, thus affects drilling course; Drilling tool sweep and bearing portions adopt many places screwed connection in addition, the overall dimension of drilling tool is increased, causes drilling efficiency to reduce.
Based on this, in order to meet the needs of directional well, horizontal well, Multilateral Wells increasing hole angle, drop angle, improving the reliability of drilling tool, extending drilling tool application life, improving drilling efficiency, propose a kind of mud motor with deflecting function.
Summary of the invention
The purpose of this utility model is: in order to solve, guiding power drilling tool is large at sweep pressure, intensity is low, curved envelope and bearing case size long, cause that drilling tool reliability is low, frictional resistance increases, the undesirable problems such as drilling efficiency reduction, spy provides a kind of mud motor with deflecting function.
For achieving the above object, the technical solution adopted in the utility model is: the mud motor with deflecting function, by bypass valve housing, spool, spring, valve body, back-up ring, anti-lost joint, anti-lost nut, anti-lost connecting rod, power motor housing, stator, rotor, universal shaft housing, live and cut with scissors, universal drive shaft connecting rod, adapter, power transmission shaft shell, power transmission shaft, the quiet cover of upper TC, the dynamic cover of upper TC, woodruff key, thrust bearing device, locknut, spacer, the quiet cover of lower TC, the dynamic cover of lower TC, sealing ring, the compositions such as interchangeable straightedge stabilizer, it is characterized in that drill string, bypass valve housing, anti-lost joint, power motor housing, universal shaft housing, transmission shaft shell, be connected by screw thread successively from top to bottom, in bypass valve housing, adopt matched in clearance between spool and valve body, Spring Card is between spool and valve body, and valve body and spool are stuck in centre by the shoulder on bypass valve housing and back-up ring, the through hole that spool lower end has circumference uniform, and on bypass valve housing, there is through hole side, in anti-lost joint, anti-lost small end is connected by screw thread with rotor with anti-lost nut successively with lower end, anti-lost nut external diameter be greater than shoulder in anti-lost joint internal diameter, be stator and rotor engagement in power motor housing, power motor inner walls is close to by stator, the hinge alive of rotor lower end and universal drive shaft upper end is placed in universal shaft housing, and is connected by screw thread, hinge alive, ball seat, large ball, trim ring, lock sleeve, rubber sheath, universal drive shaft connecting rod form universal drive shaft together, universal drive shaft is ball clack formula universal drive shaft, trim ring is pressed on universal drive shaft connecting rod, lock sleeve there is shoulder, lock sleeve is connected by screw thread with alive hinge, and rubber sheath, trim ring and universal drive shaft connecting rod and hinge of living is fixed together, ball seat is contained in lives in hinge, and make large ball be contained between ball seat and universal drive shaft connecting rod, the upper and lower two ends of universal drive shaft are symmetrical structure, and universal drive shaft lower end and adapter are placed in transmission shaft shell, and are connected by screw thread, adapter side has liquid opening, and its lower end is connected by screw thread with power transmission shaft, sweep is positioned on drive bearing housing, and away from universal shaft housing and transmission shaft shell screwed connection place, bending angle is 3 degree, the combination of transmission shaft shell, thrust bearing, the dynamic cover of the quiet cover of upper TC, upper TC, the dynamic cover of the quiet cover of lower TC, lower TC, woodruff key, spacer, locknut constitute driving-shaft assembly, wherein go up TC to move set upper side and be connected by screw thread with power transmission shaft, between the quiet cover of upper TC is arranged on that transmission shaft shell and upper TC are dynamic and overlaps, its lower end is connected by woodruff key with transmission shaft shell, thrust bearing combination is arranged on transmission shaft shell inside, and itself and power transmission shaft are matched in clearance, and axial location is carried out by the dynamic cover of upper TC and the quiet cover of upper TC in its upper end, and axial location is carried out by locknut and spacer in lower end, between locknut is arranged on that spacer and lower TC are dynamic and overlaps, spacer coordinates with locknut and is arranged between transmission shaft shell and the quiet cover of lower TC, the dynamic cover of lower TC is connected by screw thread with power transmission shaft lower end, and the quiet cover of lower TC is connected by screw thread with transmission shaft shell lower end, in order to prevent silt etc. from entering thrust bearing device, between the dynamic cover of upper TC and the quiet cover of upper TC, between the dynamic cover of lower TC and the quiet cover of lower TC, sealing ring is installed respectively, interchangeable straightedge stabilizer is connected by screw thread with transmission shaft shell, and near drill bit.
The beneficial effects of the utility model are: (1) transmission shaft shell and universal shaft housing screwed connection position, away from sweep, make the pressure of screwed connection place reduce, and intensity increases, and improves the reliability of drilling tool, extends the application life of drilling tool; (2) the utility model sweep and bearing portions synthesize single transmission shaft shell, do not reduce supporting capacity and the performance of bearing, reduce the friction damage of drilling tool while shortening drilling tool size.
Accompanying drawing explanation
Fig. 1 is the structural representation that the utility model has the mud motor of deflecting function.
In figure: 1. bypass valve housing, 2. spool, 3. spring, 4. valve body, 5. back-up ring, 6. anti-lost joint, 7. anti-lost nut, 8. anti-lost connecting rod, 9. power motor housing, 10. stator, 11. rotors, 12. universal shaft housings, 13. live cuts with scissors, 14. ball seats, 15. large balls, 16. trim rings, 17. lock sleeves, 18. rubber sheaths, 19. universal drive shaft connecting rods, 20. sweeps, 21. adapters, 22. power transmission shafts, the dynamic cover of TC on 23., the quiet cover of TC on 24., 25. car formula circles, 26. woodruff keies, 27. transmission shaft shell, 28. thrust bearing combinations, 29. interchangeable straightedge stabilizers, 30. locknuts, 31. spacers, 32. times dynamic covers of TC, 33. times quiet covers of TC, 34. sealing rings.
Detailed description of the invention
With reference to the accompanying drawings, there is the mud motor of deflecting function, by bypass valve housing, spool, spring, valve body, back-up ring, anti-lost joint, anti-lost nut, anti-lost connecting rod, power motor housing, stator, rotor, universal shaft housing, live and cut with scissors, universal drive shaft connecting rod, adapter, power transmission shaft shell, power transmission shaft, the quiet cover of upper TC, the dynamic cover of upper TC, woodruff key, thrust bearing device, locknut, spacer, the quiet cover of lower TC, the dynamic cover of lower TC, sealing ring, the compositions such as interchangeable straightedge stabilizer, it is characterized in that drill string, bypass valve housing 1, anti-lost joint 6, power motor housing 9, universal shaft housing 12, transmission shaft shell 27, be connected by screw thread successively from top to bottom, in bypass valve housing 1, adopt matched in clearance between spool 2 and valve body 4, spring 3 is stuck between spool 2 and valve body 4, and valve body 4 and spool 1 are stuck in centre by the shoulder on bypass valve housing 1 and back-up ring 5, the through hole that spool 2 lower end has circumference uniform, on bypass valve housing 1, there is through hole side, in anti-lost joint 6, anti-lost connecting rod 8 top and bottom are connected by screw thread with rotor 11 successively with anti-lost nut 7, anti-lost nut 7 external diameter be greater than shoulder in anti-lost joint 6 internal diameter, coordinate with rotor 11 for stator 9 in power motor housing 9, power motor housing 9 inwall is close to by stator 10, the hinge alive 13 of rotor 11 lower end and universal drive shaft upper end is placed in universal shaft housing 12, and is connected by screw thread, hinge 13 alive, ball seat 14, large ball 15, trim ring 16, lock sleeve 17, rubber sheath 18, universal drive shaft connecting rod 19 form universal drive shaft together, universal drive shaft is ball clack formula universal drive shaft, trim ring 16 is pressed on universal drive shaft connecting rod 19, lock sleeve 17 there is shoulder, lock sleeve 17 is connected by screw thread with hinge 13 of living, and rubber sheath 18, trim ring 16 and universal drive shaft connecting rod 19 and hinge 13 of living is fixed together, ball seat 14 is contained in hinge 13 alive, and make large ball 15 be contained between ball seat 14 and universal drive shaft connecting rod 19, the upper and lower two ends of universal drive shaft are symmetrical structure, and universal drive shaft lower end and adapter 21 are placed in transmission shaft shell 27, and is connected by screw thread, adapter 21 side has liquid opening, and its lower end is connected by screw thread with power transmission shaft 22, sweep 20 is positioned on drive bearing housing 27, and away from universal shaft housing 12 and transmission shaft shell 27 screwed connection place, bending angle is 3 degree, transmission shaft shell 27, thrust bearing combination 28, the quiet cover of upper TC 24, upper TC move cover 23, the quiet cover of lower TC 32, lower TC move cover 33, woodruff key 26, spacer 31, locknut 30 constitute driving-shaft assembly, wherein go up TC to move cover 23 upper end and be connected by screw thread with power transmission shaft 22, the quiet cover of upper TC 24 is arranged on transmission shaft shell 27 and upper TC moves between cover 23, and its lower end is connected by woodruff key 26 with transmission shaft shell 27, it is inner that thrust bearing combination 28 is arranged on transmission shaft shell 27, and itself and power transmission shaft 22 are matched in clearance, and its upper end moves cover 23 by upper TC and the quiet cover 24 of upper TC carries out axial location, and axial location is carried out by locknut 30 and spacer 31 in lower end, locknut 30 is arranged on spacer 31 and lower TC moves between cover 32, and spacer 31 coordinates with locknut 30 and is arranged between transmission shaft shell 27 and the quiet cover 33 of lower TC, lower TC is moved cover 32 and is connected by screw thread with power transmission shaft 22 lower end, and the quiet cover 33 of lower TC is connected by screw thread with transmission shaft shell 27 lower end, in order to prevent silt etc. from entering thrust bearing device 28, moving between cover 23 and the quiet cover of upper TC 24 at upper TC, lower TC moves cover 32 and installed sealing ring 25,34 respectively between the quiet cover 33 of lower TC, interchangeable straightedge stabilizer 29 is connected by screw thread with transmission shaft shell 27, and near drill bit.
During work, when carrying out stable creeping into, drilling tool works under rotary mode, at this moment drill string drives drilling tool to rotate by bypass valve housing 1, mud enters helicoid hydraulic motor inside through bypass valve housing 1 inside simultaneously, be the mechanical energy that rotor 11 rotates through power motor part by the hydraulic energy transfer of mud again, rotor 11 rotates and drives universal drive shaft and power transmission shaft 22 to rotate successively, and power transmission shaft 22 drives bit to carry out straight line drilling well; When wellbore trace departs from desired trajectory; need increasing hole angle or drop angle; at this time drilling tool need work in sliding mode; stop the rotation of drill string; drilling tool carries out drilling well along the angle direction that drilling tool is bending under the driving of screw motor, and when wellbore trace gets back to projected path, drill string starts to rotate; the duty of rotary mode got back to again by drilling tool, keeps stable and creeps into.
Claims (7)
1. there is the mud motor of deflecting function, by bypass valve housing, spool, spring, valve body, back-up ring, anti-lost joint, anti-lost nut, anti-lost connecting rod, power motor housing, stator, rotor, universal shaft housing, live and cut with scissors, universal drive shaft connecting rod, adapter, power transmission shaft shell, power transmission shaft, the quiet cover of upper TC, the dynamic cover of upper TC, woodruff key, thrust bearing device, locknut, spacer, the quiet cover of lower TC, the dynamic cover of lower TC, sealing ring, the compositions such as interchangeable straightedge stabilizer, it is characterized in that, drill string, bypass valve housing (1), anti-lost joint (6), power motor housing (9), universal shaft housing (12), transmission shaft shell (27), be connected by screw thread successively from top to bottom, in bypass valve housing (1), matched in clearance is adopted between spool (2) and valve body (4), spring (3) is stuck between spool (2) and valve body (4), valve body (4) and spool (1) are stuck in centre by the shoulder on bypass valve housing (1) and back-up ring (5), the through hole that spool (2) lower end has circumference uniform, there is through hole the upper side of bypass valve housing (1), in anti-lost joint (6), anti-lost connecting rod (8) top and bottom are connected by screw thread with rotor (11) successively with anti-lost nut (7), anti-lost nut (7) external diameter be greater than anti-lost joint (6) interior shoulder internal diameter, be that stator (9) coordinates with rotor (11) in power motor housing (9), power motor housing (9) inwall is close to by stator (10), rotor (11) lower end is cut with scissors (13) with the work of universal drive shaft upper end and is connected by screw thread, hinge of living (13), ball seat (14), large ball (15), trim ring (16), lock sleeve (17), rubber sheath (18), universal drive shaft connecting rod (19) form universal drive shaft together, and universal drive shaft lower end is connected by screw thread with adapter (21), adapter (21) side has liquid opening, and its lower end is connected by screw thread with power transmission shaft (22), sweep (20) is positioned on drive bearing housing (27), the combination of transmission shaft shell (27), thrust bearing (28), the quiet cover of upper TC (24), the dynamic cover of upper TC (23), the quiet cover of lower TC (32), the dynamic cover of lower TC (33), woodruff key (26), spacer (31), locknut (30) constitute driving-shaft assembly, wherein go up the dynamic cover of TC (23) upper end to be connected by screw thread with power transmission shaft (22), the quiet cover of upper TC (24) is arranged on that transmission shaft shell (27) and upper TC are dynamic to be overlapped between (23), and its lower end is connected by woodruff key (26) with transmission shaft shell (27), it is inner that thrust bearing combination (28) is arranged on transmission shaft shell (27), itself and power transmission shaft (22) are matched in clearance, axial location is carried out by the dynamic cover (23) of upper TC and the quiet cover of upper TC (24) in its upper end, and axial location is carried out by locknut (30) and spacer (31) in lower end, locknut (30) is arranged on that spacer (31) and lower TC are dynamic to be overlapped between (32), and spacer (31) coordinates with locknut (30) and is arranged between transmission shaft shell (27) and the quiet cover of lower TC (33), the dynamic cover (32) of lower TC is connected by screw thread with power transmission shaft (22) lower end, and the quiet cover of lower TC (33) is connected by screw thread with transmission shaft shell (27) lower end, in order to prevent silt from entering thrust bearing device (28), between the dynamic cover (23) of upper TC and the quiet cover of upper TC (24), between the dynamic cover (32) of lower TC and the quiet cover of lower TC (33), sealing ring (25), (34) are installed respectively, interchangeable straightedge stabilizer (29) is connected by screw thread with transmission shaft shell (27), and near drill bit.
2. the mud motor with deflecting function according to claim 1, is characterized in that rotor (11) lower end is cut with scissors (13) with the work of universal drive shaft upper end and is connected by screw thread, and is placed in universal shaft housing (12).
3. the mud motor with deflecting function according to claim 1, it is characterized in that, sweep is away from universal shaft housing (12) and transmission shaft shell (27) screwed connection place, reduce the pressure of connection of thread, improve the intensity of junction, bending angle is 3 degree.
4. according to the mud motor with deflecting function according to claim 1, it is characterized in that sealing ring (25), (34) for L-type sealing ring and rectangle sealing ring composition car formula ring structure.
5. the mud motor with deflecting function according to claim 1, is characterized in that universal drive shaft lower end and adapter (21) are by screwed connection, are placed in transmission shaft shell (27).
6. the mud motor with deflecting function according to claim 1, it is characterized in that sweep and bearing portions synthesize single transmission shaft shell, do not reduce supporting capacity and the performance of bearing while shortening drilling tool size, reduce the friction damage of drilling tool.
7. the mud motor with deflecting function according to claim 1, it is characterized in that universal drive shaft is ball clack formula universal drive shaft, trim ring (16) is pressed on universal drive shaft connecting rod (19), (17) have shoulder to lock sleeve, lock sleeve (17) cut with scissors (13) and is connected by screw thread with living, and rubber sheath (18), trim ring (16) and universal drive shaft connecting rod (19) and work are cut with scissors (13) is fixed together; Ball seat (14) is contained in lives in hinge (13), and make large ball (15) be contained between ball seat (14) and universal drive shaft connecting rod (19), the upper and lower two ends of universal drive shaft are symmetrical structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520152887.6U CN204476267U (en) | 2015-03-18 | 2015-03-18 | There is the mud motor of deflecting function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520152887.6U CN204476267U (en) | 2015-03-18 | 2015-03-18 | There is the mud motor of deflecting function |
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| Publication Number | Publication Date |
|---|---|
| CN204476267U true CN204476267U (en) | 2015-07-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520152887.6U Expired - Fee Related CN204476267U (en) | 2015-03-18 | 2015-03-18 | There is the mud motor of deflecting function |
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| CN (1) | CN204476267U (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107386960A (en) * | 2017-08-04 | 2017-11-24 | 四川深远石油钻井工具股份有限公司 | A kind of drilling speed device with composite drill bit |
| CN107386961A (en) * | 2017-08-04 | 2017-11-24 | 四川深远石油钻井工具股份有限公司 | A kind of drilling speed device |
| CN107630657A (en) * | 2017-08-31 | 2018-01-26 | 中国化学工程第十四建设有限公司 | The mud kinetic energy reforming unit of construction is bored suitable for big drop massif interior orientation |
| CN108131099A (en) * | 2016-12-01 | 2018-06-08 | 通用电气公司 | For the self-checking device and method of directional drilling system |
| CN108222818A (en) * | 2018-01-03 | 2018-06-29 | 西南石油大学 | A kind of integration, which is turned round, rushes mud motor |
| CN108222834A (en) * | 2018-01-03 | 2018-06-29 | 西南石油大学 | A kind of adjustable deflecting tool in underground |
| CN110005349A (en) * | 2019-03-25 | 2019-07-12 | 淮北矿业股份有限公司 | It is a kind of can deep drilling composite drill rod |
| CN110056309A (en) * | 2019-05-10 | 2019-07-26 | 西南石油大学 | System of Rotating about Fixed Axis positive displacement power tool |
| CN110685601A (en) * | 2018-07-06 | 2020-01-14 | 中国石油化工股份有限公司 | Guide screw for drilling tool |
| CN112031671A (en) * | 2020-09-02 | 2020-12-04 | 长江大学 | Composite power drilling tool connector |
| CN112832672A (en) * | 2020-11-17 | 2021-05-25 | 中石化江钻石油机械有限公司 | Underground power drilling tool with function of monitoring loosening of screw threads |
| CN114439466A (en) * | 2022-01-27 | 2022-05-06 | 北京探矿工程研究所 | Power drilling tool bearing joint with inclination measurement while drilling and guiding functions |
| CN114439371A (en) * | 2022-01-27 | 2022-05-06 | 北京探矿工程研究所 | Controlled ultra-short radius guiding drilling system and drilling method |
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2015
- 2015-03-18 CN CN201520152887.6U patent/CN204476267U/en not_active Expired - Fee Related
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108131099A (en) * | 2016-12-01 | 2018-06-08 | 通用电气公司 | For the self-checking device and method of directional drilling system |
| CN107386960A (en) * | 2017-08-04 | 2017-11-24 | 四川深远石油钻井工具股份有限公司 | A kind of drilling speed device with composite drill bit |
| CN107386961A (en) * | 2017-08-04 | 2017-11-24 | 四川深远石油钻井工具股份有限公司 | A kind of drilling speed device |
| CN107386961B (en) * | 2017-08-04 | 2023-08-11 | 四川深远石油钻井工具股份有限公司 | Drilling speed increasing device |
| CN107630657A (en) * | 2017-08-31 | 2018-01-26 | 中国化学工程第十四建设有限公司 | The mud kinetic energy reforming unit of construction is bored suitable for big drop massif interior orientation |
| CN108222818A (en) * | 2018-01-03 | 2018-06-29 | 西南石油大学 | A kind of integration, which is turned round, rushes mud motor |
| CN108222834A (en) * | 2018-01-03 | 2018-06-29 | 西南石油大学 | A kind of adjustable deflecting tool in underground |
| CN110685601A (en) * | 2018-07-06 | 2020-01-14 | 中国石油化工股份有限公司 | Guide screw for drilling tool |
| CN110005349A (en) * | 2019-03-25 | 2019-07-12 | 淮北矿业股份有限公司 | It is a kind of can deep drilling composite drill rod |
| CN110056309A (en) * | 2019-05-10 | 2019-07-26 | 西南石油大学 | System of Rotating about Fixed Axis positive displacement power tool |
| CN112031671A (en) * | 2020-09-02 | 2020-12-04 | 长江大学 | Composite power drilling tool connector |
| CN112832672A (en) * | 2020-11-17 | 2021-05-25 | 中石化江钻石油机械有限公司 | Underground power drilling tool with function of monitoring loosening of screw threads |
| CN114439466A (en) * | 2022-01-27 | 2022-05-06 | 北京探矿工程研究所 | Power drilling tool bearing joint with inclination measurement while drilling and guiding functions |
| CN114439371A (en) * | 2022-01-27 | 2022-05-06 | 北京探矿工程研究所 | Controlled ultra-short radius guiding drilling system and drilling method |
| CN114439466B (en) * | 2022-01-27 | 2022-12-13 | 北京探矿工程研究所 | Power drilling tool bearing joint with inclination measurement while drilling and guiding functions |
| CN114439371B (en) * | 2022-01-27 | 2023-02-07 | 北京探矿工程研究所 | Controlled ultra-short radius guiding drilling system and drilling method |
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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 |
Granted publication date: 20150715 Termination date: 20160318 |
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| CF01 | Termination of patent right due to non-payment of annual fee |