CN204436281U - The drag reduction moment of torsion arrangement of clutch that rubs falls in one - Google Patents
The drag reduction moment of torsion arrangement of clutch that rubs falls in one Download PDFInfo
- Publication number
- CN204436281U CN204436281U CN201520033719.5U CN201520033719U CN204436281U CN 204436281 U CN204436281 U CN 204436281U CN 201520033719 U CN201520033719 U CN 201520033719U CN 204436281 U CN204436281 U CN 204436281U
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- lower contact
- piston
- clutch
- liquid cylinder
- pushing liquid
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Abstract
The utility model discloses one and fall the drag reduction moment of torsion arrangement of clutch that rubs, it comprises top connection (1), lower contact (2), electrical connector (4), transition joint (5) and pushing liquid cylinder (6), the axis of the piston (7) upper, end portion is separately positioned in transition joint (5) and lower contact (2), solenoid electric valve (14) is provided with in transition joint (5), lower contact is provided with jaw clutch in (2), the outer tooth body (11) of jaw clutch is arranged on the end portion of the axis of the piston (7), electron plate (15) and the sensor (16) for receiving ground institute transmission of information is provided with in sealing shroud (3).The beneficial effects of the utility model are: can control drilling tool smooth transfer moment of torsion as required or be separated moment of torsion in drilling process, be conducive to reducing drill string frictional resistance and moment of torsion, alleviate or prevent from creeping into backing pressure, improving high angle hole, horizontal well and extended reach well drilling technology level.
Description
Technical field
The drag reduction moment of torsion arrangement of clutch that rubs falls in technical field, particularly one that the utility model relates to a kind of oil drilling instrument.
Background technology
At present, in oil-gas resource exploration and development process, drillng operation has very important status, is confirm and find out oil gas structure, obtains geologic information, the important means of exploitation petroleum resources.Petroleum industry is high risk fund-intensive, technology-intensive type industry, and drilling cost accounts for 60% ~ 80% of whole petroleum exploration and development expense, so a kind of new boring method and device have important impact to whole drilling engineering and even petroleum industry.
Along with exploration and development changes to unconventional petroleum resources, Hydrocarbon Resource of The Deep Formation, in order to improve the whole development benefit in well yield and recovery ratio, raising oil field, High angle and horizontal well are promoted at oil gas field.Particularly the exploitation of shale gas almost all adopts horizontal well drilling mode.At present, High angle and horizontal well, in drilling process, particularly adopt bent housing mud motor to carry out in slipping drilling process, due to drill string non rotating, cause drill string torque, frictional resistance large, borehole uncleanness, a series of difficult problem such as backing pressure.
Do not see report or the patent of this type of downhole tool at present abroad, domestic Shengli Oil Field has one just in the patent of publicity, but it passes control signal and applies clutch conjugate control power under changing suspending weight, the method is not suitable for high angle hole and horizontal well, in this situation, the rubbing action of drill string and the borehole wall makes the transmission of axially-movable and axial force become uncertain to cause.
Utility model content
The purpose of this utility model is the shortcoming overcoming prior art, a kind of compact conformation, smooth operation are provided, Long-distance Control can be realized, drilling tool smooth transfer moment of torsion can be controlled as required or be separated moment of torsion in drilling process, be conducive to reducing drill string frictional resistance and moment of torsion, alleviate or prevent from creeping into backing pressure, that improves high angle hole, horizontal well and extended reach well drilling technology level falls the drag reduction moment of torsion arrangement of clutch that rubs.
The purpose of this utility model is achieved through the following technical solutions: the drag reduction moment of torsion arrangement of clutch that rubs falls in one, it comprises top connection, lower contact and the sealing shroud be successively set between top connection and lower contact, electrical connector, transition joint and pushing liquid cylinder, described pushing liquid cylinder is inserted in lower contact, rotary support mechanism is provided with between lower contact and pushing liquid cylinder, the axis of the piston is provided with in described pushing liquid cylinder, the axis of the piston is provided with and is sealed in pushing liquid cylinder, can along the piston of pushing liquid cylinder movement, the axis of the piston upper, end portion is separately positioned in transition joint and lower contact, current divider is provided with between the upper part of the axis of the piston and transition joint, jaw clutch is provided with in described lower contact, the interior tooth body of jaw clutch is arranged in lower contact, the outer tooth body of jaw clutch is arranged on the end portion of the axis of the piston, the upper end of described pushing liquid cylinder is provided with controlled inlet A and controlled inlet B, the solenoid electric valve opened and closed for controlling controlled inlet A and controlled inlet B is provided with in transition joint, electron plate and the sensor for receiving ground institute transmission of information is provided with in described sealing shroud, sensor is connected with electron plate, electron plate is connected with solenoid electric valve.
Be provided with in described lower contact and organize jaw clutch more.
Described rotary support mechanism is breathed out not bearing form by being breathed out not connecting thread and two, breathes out not bearing for two and is arranged between lower contact and pushing liquid cylinder, breathes out not connecting thread and is arranged on two and breathes out not between bearing.
Described electrical connector is provided with battery pack, between top connection and sensor, is provided with bolster, the outer wall being positioned at sensor is provided with electrical equipment cylinder in sealing shroud.
The utility model has the following advantages: be provided with jaw clutch in (1) lower contact of the present utility model, when axially drawing at transmission drill string, while pressure effect, according to drilling condition needs, the mode that borehole pump discharge capacity produces signal is changed by ground, the control position of remote control solenoid electric valve, thus the direction of motion of control piston, mud pressure is utilized to make jaw clutch be in engagement or released state, thus transmit between this device bottom with top drilling tool or be separated moment of torsion, thus achieve Long-distance Control, be conducive to reducing drill string frictional resistance and moment of torsion, alleviate or prevent from creeping into backing pressure, improve high angle hole, horizontal well and extended reach well drilling technology level.(2) utility model can when carrying out directed drilling with bent housing mud motor, do not need to pull out of hole, by ground remote control separate drill strings moment of torsion, make upper drilling string be in rotation status, thus significantly reduce drill string frictional resistance, solve a backing pressure difficult problem, in addition, when needs adopt combined drilling, do not need to pull out of hole, drill string torque transmission can be recovered by ground remote control, extend application life, improve high-inclination directional well and Horizontal Well drilling technology.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
In figure, 1-top connection, 2-lower contact, 3-sealing shroud, 4-electrical connector, 5-transition joint, 6-pushes liquid cylinder, 7-the axis of the piston, 8-piston, 9-current divider, tooth body in 10-, the outer tooth body of 11-, controlled inlet B, the 14-solenoid electric valve of 12-controlled inlet A, 13-, 15-electron plate, 16-sensor, 17-breathes out not connecting thread, and 18-breathes out not bearing, 19-battery pack, 20-bolster, 21-electrical equipment cylinder.
Detailed description of the invention
Be further described the utility model below in conjunction with accompanying drawing, protection domain of the present utility model is not limited to the following stated:
As shown in Figure 1, the drag reduction moment of torsion arrangement of clutch that rubs falls in one, it comprises top connection 1, lower contact 2 and the sealing shroud 3 be successively set between top connection 1 and lower contact 2, electrical connector 4, transition joint 5 and pushing liquid cylinder 6, described pushing liquid cylinder 6 is inserted in lower contact 2, rotary support mechanism is provided with between lower contact 2 and pushing liquid cylinder 6, described rotary support mechanism is breathed out not bearing 18 form by being breathed out not connecting thread 17 and two, breathing out not bearing 18 for two is arranged between lower contact 2 and pushing liquid cylinder 6, breathe out not connecting thread 17 to be arranged on two and to breathe out not between bearing 18, rotary support mechanism can support between lower contact 2 and pushing liquid cylinder 6 and transmit the pressure of the drill, relatively rotating between lower contact 2 and pushing liquid cylinder 6 can be supported again.As shown in Figure 1, the axis of the piston 7 is provided with in pushing liquid cylinder 6, the axis of the piston 7 is provided with to be sealed in pushing liquid cylinder 6, can along the piston 8 of pushing liquid cylinder 6 movement, the upper and lower end part of the axis of the piston 7 is separately positioned in transition joint 5 and lower contact 2, is provided with current divider 9 between the upper part of the axis of the piston 7 and transition joint 5.As shown in Figure 1, be provided with jaw clutch in lower contact 2, the interior tooth body 10 of jaw clutch is arranged in lower contact 2, and the outer tooth body 11 of jaw clutch is arranged on the end portion of the axis of the piston 7.As shown in Figure 1, the upper end of pushing liquid cylinder 6 is provided with controlled inlet A12 and controlled inlet B13, the solenoid electric valve 14 opened and closed for controlling controlled inlet A12 and controlled inlet B13 is provided with in transition joint 5, solenoid electric valve 14 controls mud flow direction, when solenoid electric valve 14 control mud through controlled inlet A12 enter pushing liquid cylinder 6 time, mud is applied to the upper surface of piston 8, the axis of the piston 7 moves downward, interior tooth body 10 and the outer tooth body 11 of jaw clutch are in engagement, transmitting torque between lower drilling tool and top drilling tool, the mud being simultaneously positioned at piston 8 bottom flows out through controlled inlet B13, when solenoid electric valve 14 control mud through controlled inlet B13 enter pushing liquid cylinder 6 time, mud is applied to the lower surface of piston, the axis of the piston 7 moves upward, interior tooth body 10 and the outer tooth body 11 of jaw clutch are in released state, independently rotate between lower drilling tool and top drilling tool, not transmitting torque to each other, the mud being simultaneously positioned at piston 8 top flows out through controlled inlet A12.
As shown in Figure 1, be provided with electron plate 15 and the sensor 16 for receiving ground institute transmission of information in described sealing shroud 3, sensor 16 is connected with electron plate 15, and electron plate 15 is connected with solenoid electric valve 14.
Be provided with in described lower contact 2 and organize jaw clutch more.
As shown in Figure 1, described electrical connector 4 is provided with battery pack 19, battery pack 19 is solenoid electric valve 14, sensor 16 provides electric energy; In sealing shroud 3 outer wall being positioned at sensor 16 is provided with electrical equipment cylinder 21.Bolster 20 is provided with between top connection 1 and sensor 16.
As shown in Figure 1, a kind of method of falling the drag reduction that rubs, it comprises the following steps:
S1, first this down-hole torque clutch device is arranged on underground drill stem, according to the requirement of drilling well work, between needs top drilling tool and lower drilling tool during transmitting torque, when not pulling out of hole, first change drilling fluid displacement on ground, sensor 16 senses the change discharge capacity information on ground, and the control signal of corresponding solenoid electric valve 14 is construed to through electron plate 15, solenoid electric valve 14 controls mud and enters in pushing liquid cylinder 6 through controlled inlet A12, mud is applied to the upper surface of piston 8, the axis of the piston 7 moves downward, interior tooth body 10 and the outer tooth body 11 of jaw clutch are in engagement, transmitting torque between lower drilling tool and top drilling tool, the mud being simultaneously positioned at piston 8 bottom flows out through controlled inlet B13,
S2, between needs top drilling tool and lower drilling tool not transmitting torque time, when not pulling out of hole, communicate information on sensor 16 by ground, signal on sensor 16 is construed to the control signal of corresponding solenoid electric valve 14 through electron plate 15, solenoid electric valve 14 controls mud and enters in pushing liquid cylinder 6 through controlled inlet B13, mud is applied to the lower surface of piston, the axis of the piston 7 moves upward, interior tooth body 10 and the outer tooth body 11 of jaw clutch are in released state, lower drilling tool and top drilling tool not transmitting torque each other, the mud being simultaneously positioned at piston 8 top flows out through controlled inlet A12, thus be conducive to reducing drill string frictional resistance and moment of torsion, alleviate or prevent from creeping into backing pressure.
The above is only preferred embodiment of the present utility model, be to be understood that the utility model is not limited to the form disclosed by this paper, should not regard the eliminating to other embodiments as, and can be used for other combinations various, amendment and environment, and can in contemplated scope described herein, changed by the technology of above-mentioned instruction or association area or knowledge.And the change that those skilled in the art carry out and change do not depart from spirit and scope of the present utility model, then all should in the protection domain of the utility model claims.
Claims (4)
1. one kind is fallen the drag reduction moment of torsion arrangement of clutch that rubs, it is characterized in that: it comprises top connection (1), lower contact (2) and the sealing shroud (3) be successively set between top connection (1) and lower contact (2), electrical connector (4), transition joint (5) and pushing liquid cylinder (6), described pushing liquid cylinder (6) is inserted in lower contact (2), rotary support mechanism is provided with between lower contact (2) and pushing liquid cylinder (6), the axis of the piston (7) is provided with in described pushing liquid cylinder (6), the axis of the piston (7) is provided with and is sealed in pushing liquid cylinder (6), can along the piston (8) of pushing liquid cylinder (6) movement, the axis of the piston (7) upper, end portion is separately positioned in transition joint (5) and lower contact (2), current divider (9) is provided with between the upper part of the axis of the piston (7) and transition joint (5), jaw clutch is provided with in described lower contact (2), the interior tooth body (10) of jaw clutch is arranged in lower contact (2), the outer tooth body (11) of jaw clutch is arranged on the end portion of the axis of the piston (7), the upper end of described pushing liquid cylinder (6) is provided with controlled inlet A(12) and controlled inlet B(13), be provided with in transition joint (5) for controlling controlled inlet A(12) and controlled inlet B(13) solenoid electric valve (14) that opens and closes, electron plate (15) and the sensor (16) for receiving ground institute transmission of information is provided with in described sealing shroud (3), sensor (16) is connected with electron plate (15), electron plate (15) is connected with solenoid electric valve (14).
2. the drag reduction moment of torsion arrangement of clutch that rubs falls in one according to claim 1, it is characterized in that: be provided with in described lower contact (2) and organize jaw clutch more.
3. the drag reduction moment of torsion arrangement of clutch that rubs falls in one according to claim 1, it is characterized in that: described rotary support mechanism is breathed out not bearing (18) form by being breathed out not connecting thread (17) and two, breathe out not bearing (18) for two to be arranged between lower contact (2) and pushing liquid cylinder (6), breathe out not connecting thread (17) and be arranged on two and breathe out not between bearing (18).
4. rub drag reduction moment of torsion arrangement of clutch and method fall in one according to claim 1, it is characterized in that: described electrical connector (4) is provided with battery pack (19), be provided with bolster (20) between top connection (1) and sensor (16), the outer wall being positioned at sensor (16) be provided with electrical equipment cylinder (21) in sealing shroud (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520033719.5U CN204436281U (en) | 2015-01-19 | 2015-01-19 | The drag reduction moment of torsion arrangement of clutch that rubs falls in one |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520033719.5U CN204436281U (en) | 2015-01-19 | 2015-01-19 | The drag reduction moment of torsion arrangement of clutch that rubs falls in one |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204436281U true CN204436281U (en) | 2015-07-01 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520033719.5U Withdrawn - After Issue CN204436281U (en) | 2015-01-19 | 2015-01-19 | The drag reduction moment of torsion arrangement of clutch that rubs falls in one |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204436281U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104563908A (en) * | 2015-01-19 | 2015-04-29 | 西南石油大学 | Friction decreasing and resistance reducing torque clutch device and method thereof |
| CN114352654A (en) * | 2020-10-13 | 2022-04-15 | 中国石油天然气集团有限公司 | Drilling tool clutch device |
| CN115977534A (en) * | 2023-03-22 | 2023-04-18 | 西南石油大学 | Horizontal well friction-reducing and drag-reducing hydraulic clutch drilling tool and method |
-
2015
- 2015-01-19 CN CN201520033719.5U patent/CN204436281U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104563908A (en) * | 2015-01-19 | 2015-04-29 | 西南石油大学 | Friction decreasing and resistance reducing torque clutch device and method thereof |
| CN114352654A (en) * | 2020-10-13 | 2022-04-15 | 中国石油天然气集团有限公司 | Drilling tool clutch device |
| CN115977534A (en) * | 2023-03-22 | 2023-04-18 | 西南石油大学 | Horizontal well friction-reducing and drag-reducing hydraulic clutch drilling tool and method |
| CN115977534B (en) * | 2023-03-22 | 2023-05-16 | 西南石油大学 | Horizontal well friction-reducing and drag-reducing hydraulic clutch drilling tool and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150701 Effective date of abandoning: 20160622 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |