CN209799888U - anti-torque balancing device for coiled tubing drilling - Google Patents
anti-torque balancing device for coiled tubing drilling Download PDFInfo
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- CN209799888U CN209799888U CN201920376936.2U CN201920376936U CN209799888U CN 209799888 U CN209799888 U CN 209799888U CN 201920376936 U CN201920376936 U CN 201920376936U CN 209799888 U CN209799888 U CN 209799888U
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Abstract
The utility model relates to an oil field coiled tubing drilling technical field, in particular to coiled tubing drilling is with anti-torque balance device. The device's top connection lower extreme threaded connection bull ball formula helical spline sleeve sets up bull ball formula helical spline dabber in the top connection, and last thrust face ball bearing, dish spring group and lower thrust face ball bearing suit are in proper order at bull ball formula helical spline dabber, and last thrust face ball bearing pushes up on the top connection inner wall terminal surface, and lower thrust face ball bearing pushes up on bull ball formula helical spline dabber outer wall boss terminal surface. The utility model discloses an unusual moment of torsion that produces in the storage and the drilling operation of release coiled tubing realizes guaranteeing that the drill bit is nearly at the uniform velocity rotatory to the undulant real-time adjustment of drilling torque, improves the average mechanical drilling speed of drill bit, prevents to appear the smooth phenomenon of the card of jumping out.
Description
The technical field is as follows:
The utility model relates to an oil field coiled tubing drilling technical field, in particular to coiled tubing drilling is with anti-torque balance device.
Background art:
With the rapid increase of global demand for petroleum resources, the continuous pipe drilling equipment at home and abroad increasingly has exposed a corner, and the advantages of pressurized construction, rapid tripping and the like are fully embodied. However, when drilling a stratum with deep oil and gas burial, hard stratum and strong abrasiveness, the defects of low mechanical drilling speed, low drilling speed, high cost and the like can be caused. How to eliminate the drill bit slip and bounce, prolong the service life of the coiled tubing body, the coiled tubing drilling tool and the drill bit, and improve the drilling efficiency is an important technical problem facing the coiled tubing drilling site.
At present, coiled tubing drilling is when boring different stratum, all shows that drillability is poor, and the jump is bored seriously, easy-to-break coiled tubing, and the drill bit breaks out the tooth and wears seriously, can't improve the stability of drill bit work.
The utility model has the following contents:
The to-be-solved technical problem of the utility model is to provide a coiled tubing is anti-torque balance device for drilling, the device realizes the undulant real-time adjustment of drilling torque through the unusual moment of torsion that produces in storing and the operation of releasing coiled tubing drilling, guarantees that the drill bit is nearly at the uniform velocity rotatory, improves the average mechanical drilling speed of drill bit, prevents to appear holding back the jump card smooth phenomenon. The defects that the existing drill bit is easy to generate phenomena of drilling jump, stick-slip and damage of a continuous pipe body and the drill bit when drilling in a hard stratum or a wear-resistant stratum are overcome.
The utility model adopts the technical proposal that: a counter-torque balancing device for coiled tubing drilling comprises an upper joint and a lower joint; the lower end of an upper joint is in threaded connection with a multi-head ball type spiral spline sleeve, a multi-head ball type spiral spline mandrel is arranged in the upper joint, an upper thrust end face ball bearing, a disc spring group and a lower thrust end face ball bearing are sequentially sleeved on the multi-head ball type spiral spline mandrel, the upper thrust end face ball bearing is abutted against the end face of the inner wall of the upper joint, the lower thrust end face ball bearing is abutted against the boss end face of the outer wall of the multi-head ball type spiral spline mandrel, a damping hole for communicating a central channel and the disc spring group is formed in the side wall of the multi-head ball type spiral spline mandrel, a spherical spiral spline key groove I which is longer than the circumference of an inner hole of the multi-head ball type spiral spline sleeve is arranged on the outer wall of the multi-head ball type spiral spline mandrel, a spherical spiral spline key groove II which is matched with the spherical spiral spline key groove I is arranged on the inner wall, an upper retaining ring and a lower retaining ring are arranged on the inner wall of the multi-head ball type spiral spline sleeve from top to bottom respectively, the upper retaining ring and the lower retaining ring are limited to balls in the spherical spiral spline groove II respectively, a boss on the outer wall of the multi-head ball type spiral spline mandrel is limited by the upper end face of the multi-head ball type spiral spline sleeve, a space between the inner wall of the lower end of the multi-head ball type spiral spline sleeve and the outer wall of the lower connector is sealed, the lower end of the multi-head ball type spiral spline mandrel is in threaded connection with the lower connector, the inner wall of the multi-head ball type spiral spline sleeve, the stepped surface of the inner wall of the multi-head ball type spiral spline sleeve, the outer wall of the multi-head ball type spiral spline mandrel and the upper end face of the lower connector form a cavity.
the upper joint and the multi-head ball type spiral spline sleeve are sealed through an O-shaped sealing ring I.
The inner wall of the lower end of the multi-head ball type spiral spline sleeve and the outer wall of the lower connector are sealed through an O-shaped sealing ring II.
And a limiting step is arranged on the inner wall of the upper end of the upper joint and limits the upper end surface of the multi-head ball type spiral spline mandrel.
The utility model has the advantages that: the utility model discloses an unusual moment of torsion that produces in the storage and the drilling operation of release coiled tubing realizes guaranteeing that the drill bit is nearly at the uniform velocity rotatory to the undulant real-time adjustment of drilling torque, improves the average mechanical drilling speed of drill bit, prevents to appear the smooth phenomenon of the card of jumping out.
Description of the drawings:
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a sectional view taken along line a-a in fig. 1.
Fig. 3 is a schematic view of the middle ball of the present invention.
The specific implementation mode is as follows:
As shown in fig. 1, 2 and 3, the anti-torque balancing device for coiled tubing drilling comprises an upper joint 1 and a lower joint 12; the lower extreme threaded connection bull ball formula helical spline sleeve 7 of top connection 1, set up bull ball formula helical spline dabber 4 in the top connection 1, go up thrust face ball bearing 2, dish spring group 3 and lower thrust face ball bearing 5 suit in order on bull ball formula helical spline dabber 4, go up thrust face ball bearing 2 top on 1 inner wall terminal surface of top connection, lower thrust face ball bearing 5 top is on 4 outer wall boss terminal surfaces of bull ball formula helical spline dabber, it has the damping hole of intercommunication central channel and dish spring group 3 to open on 4 lateral walls of bull ball formula helical spline dabber, 3 dish spring groups of being convenient for axial compression.
A spherical helical spline I which is longer than the perimeter of an inner hole of the multi-head ball type helical spline sleeve 7 is arranged on the outer wall of the multi-head ball type helical spline mandrel 4, a spherical helical spline II which is matched with the spherical helical spline I is arranged on the inner wall of the multi-head ball type helical spline sleeve 7, a ball 9 is arranged between the spherical helical spline I and the spherical helical spline II, and the device generates positive and negative rotation movement while axial extension and contraction; an upper retaining ring 6 and a lower retaining ring 10 are respectively arranged on the upper portion and the lower portion of the inner wall of the multi-head ball type spiral spline sleeve 7, and the upper retaining ring 6 and the lower retaining ring 10 are respectively used for limiting balls 9 in the spherical spiral spline groove II.
The boss on the outer wall of the multi-head ball type spiral spline mandrel 4 is limited by the upper end face of the multi-head ball type spiral spline sleeve 7, the lower end inner wall of the multi-head ball type spiral spline sleeve 7 and the outer wall of the lower joint 12 are sealed, the lower end of the multi-head ball type spiral spline mandrel 4 is in threaded connection with the lower joint 12, a cavity is formed between the inner wall of the multi-head ball type spiral spline sleeve 7, the step face on the inner wall of the multi-head ball type spiral spline sleeve 7, the outer wall of the multi-head ball type spiral spline mandrel 4 and the upper end face of the lower joint 12, and a damping hole for communicating the central channel with the cavity is formed in the side wall of the multi.
The upper joint 1 and the multi-head ball type spiral spline sleeve 7 are sealed through an O-shaped sealing ring I8.
the inner wall of the lower end of the multi-head ball type spiral spline sleeve 7 and the outer wall of the lower joint 12 are sealed through an O-shaped sealing ring II 11.
And the inner wall of the upper end of the upper joint 1 is provided with a limiting step which limits the upper end surface of the multi-head ball type spiral spline mandrel 4.
the counter-torque balancing device for coiled tubing drilling is characterized in that when the torque of a drill bit in a well reaches a calibrated value and the slip stall is about to occur, a tool is contracted in the axial direction, so that the bit pressure is immediately reduced, and the cutting depth of the drill bit can be fully reduced by the rapidly reduced bit pressure to keep the drill bit rotating. Along with the axial contraction of the tool, the disc spring group 3 is placed on the multi-head ball type spiral spline mandrel 4, the disc spring group 3 is compressed, and after energy is absorbed, the energy is fed back to the drill bit through the ball type spiral spline pair system, so that a stable torque load is kept, and the device can continuously work in the process of continuously absorbing and releasing the energy without resetting.
The axial shrinkage conversion of drill bit is realized through a pair of bull ball formula helical spline pair, and bull ball formula helical spline dabber and sleeve are in the engaged state under the normal condition, and the pretension pressure size is set for through pretension ring quantity to dish spring group 3. When the drilling torque exceeds the preset torque, the multi-head ball type spiral spline mandrel moves upwards to convert the rotary motion into axial motion, so that the device can quickly and continuously prevent the drill bit from stalling, and the formation of severe skid vibration is limited.
It should be understood that the above detailed description of the present invention is only for illustrating the present invention and is not limited by the technical solutions described in the embodiments of the present invention, and those skilled in the art should understand that the present invention can still be modified or equivalently replaced to achieve the same technical effects; as long as the use requirement is satisfied, the utility model is within the protection scope.
Claims (4)
1. A counter torque balancing device for coiled tubing drilling comprises an upper joint (1) and a lower joint (12); the method is characterized in that: the lower end of an upper joint (1) is in threaded connection with a multi-head ball type spiral spline sleeve (7), a multi-head ball type spiral spline mandrel (4) is arranged in the upper joint (1), an upper thrust end face ball bearing (2), a disc spring group (3) and a lower thrust end face ball bearing (5) are sequentially sleeved on the multi-head ball type spiral spline mandrel (4), the upper thrust end face ball bearing (2) is abutted against the end face of the inner wall of the upper joint (1), the lower thrust end face ball bearing (5) is abutted against the end face of a boss on the outer wall of the multi-head ball type spiral spline mandrel (4), a damping hole for communicating a central channel with the disc spring group (3) is formed in the side wall of the multi-head ball type spiral spline mandrel (4), a spherical spiral spline groove I which is longer than the circumference of the inner hole of the multi-head ball type spiral spline sleeve (7) is formed in the outer wall of the multi-head ball type spiral spline mandrel (4), a spherical spiral spline groove II matched with the spherical spiral spline groove is formed in, a ball (9) is arranged between the spherical spiral spline I and the spherical spiral spline II, an upper retaining ring (6) and a lower retaining ring (10) are respectively arranged on the upper part and the lower part of the inner wall of the multi-head ball type spiral spline sleeve (7), the ball (9) in the spherical spiral spline II is respectively limited by the upper retaining ring (6) and the lower retaining ring (10), a boss on the outer wall of the multi-head ball type spiral spline mandrel (4) is limited by the upper end face of the multi-head ball type spiral spline sleeve (7), the inner wall of the lower end of the multi-head ball type spiral spline sleeve (7) is sealed with the outer wall of the lower joint (12), a cavity is formed between the lower end of the multi-head ball type spiral spline mandrel (4) and the lower joint (12) through screw thread connection, the inner wall of the multi-head ball type spiral spline sleeve (7), the step face on the inner wall of the multi-head ball type spiral spline sleeve (7), the outer wall of the multi-head ball type, the side wall of the multi-head ball type spiral spline mandrel (4) is provided with a damping hole for communicating the central channel with the chamber.
2. The reactive torque balancer for coiled tubing drilling of claim 1, wherein: the upper joint (1) and the multi-head ball type spiral spline sleeve (7) are sealed through an O-shaped sealing ring I (8).
3. The reactive torque balancer for coiled tubing drilling of claim 1, wherein: the inner wall of the lower end of the multi-head ball type spiral spline sleeve (7) is sealed with the outer wall of the lower joint (12) through an O-shaped sealing ring II (11).
4. The reactive torque balancer for coiled tubing drilling of claim 1, wherein: and a limiting step is arranged on the inner wall of the upper end of the upper joint (1), and is used for limiting the upper end face of the multi-head ball type spiral spline mandrel (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920376936.2U CN209799888U (en) | 2019-03-25 | 2019-03-25 | anti-torque balancing device for coiled tubing drilling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920376936.2U CN209799888U (en) | 2019-03-25 | 2019-03-25 | anti-torque balancing device for coiled tubing drilling |
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| Publication Number | Publication Date |
|---|---|
| CN209799888U true CN209799888U (en) | 2019-12-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920376936.2U Active CN209799888U (en) | 2019-03-25 | 2019-03-25 | anti-torque balancing device for coiled tubing drilling |
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| CN (1) | CN209799888U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112814569A (en) * | 2021-03-19 | 2021-05-18 | 中国石油天然气集团有限公司 | Sectional rotary type tool for overcoming reactive torque |
| CN115387729A (en) * | 2022-08-02 | 2022-11-25 | 西南石油大学 | Directional drilling drill column rotation controller |
| CN116357221A (en) * | 2023-05-31 | 2023-06-30 | 德州联合石油科技股份有限公司 | Screw drilling tool |
-
2019
- 2019-03-25 CN CN201920376936.2U patent/CN209799888U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112814569A (en) * | 2021-03-19 | 2021-05-18 | 中国石油天然气集团有限公司 | Sectional rotary type tool for overcoming reactive torque |
| CN112814569B (en) * | 2021-03-19 | 2022-08-23 | 中国石油天然气集团有限公司 | Anti-torque tool is overcome to segmentation rotation type |
| CN115387729A (en) * | 2022-08-02 | 2022-11-25 | 西南石油大学 | Directional drilling drill column rotation controller |
| CN115387729B (en) * | 2022-08-02 | 2023-12-08 | 西南石油大学 | Directional drilling drill string rotation controller |
| CN116357221A (en) * | 2023-05-31 | 2023-06-30 | 德州联合石油科技股份有限公司 | Screw drilling tool |
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Effective date of registration: 20201012 Address after: 100120 Beijing Xicheng District six laying Kang Patentee after: CHINA NATIONAL PETROLEUM Corp. Patentee after: China National Petroleum Corporation Great Wall Drilling Engineering Co.,Ltd. Address before: 124010 Xinglongtai, Liaoning Province, oil street, No. 96, No. Patentee before: China National Petroleum Corporation Great Wall Drilling Engineering Co.,Ltd. |