CN114352231A - Packer capable of transmitting torque and having azimuth orientation function - Google Patents
Packer capable of transmitting torque and having azimuth orientation function Download PDFInfo
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- CN114352231A CN114352231A CN202210034410.2A CN202210034410A CN114352231A CN 114352231 A CN114352231 A CN 114352231A CN 202210034410 A CN202210034410 A CN 202210034410A CN 114352231 A CN114352231 A CN 114352231A
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Abstract
The invention discloses a packer capable of transmitting torque and having an azimuth orientation function, which relates to the technical field of geological structure investigation, and aims to enable a sampler to automatically descend and ascend and meet the use requirements, wherein the technical scheme is as follows: including vertical bull stick, setting at the sampling piece of bull stick lower extreme, set up in the bull stick upper end and be used for driving bull stick pivoted first motor and place subaerial and be used for placing the supporting component of first motor, be equipped with the driving piece that drives first motor and reciprocate from top to bottom on the supporting component, the first motor of driving piece drive moves with variable speed downwards.
Description
Technical Field
The invention relates to the technical field of drilling and completion of oil and gas fields, in particular to a packer capable of transmitting torque and having an azimuth orientation function.
Background
A packer refers to a downhole tool having an elastomeric sealing element whereby the annulus between the string of tubing and the wellbore and between the strings of tubing of various sizes is sealed off and the zone is isolated to control production (injection) fluids, protect the casing, and the packer is used for zonal isolation in the production process.
At present, a conventional packer does not have an azimuth orientation function, particularly when a lateral drilling branch well is drilled, because an anchoring tool at the lower part does not have the orientation function, an azimuth angle needs to be swung when a seat is hung on the whipstock, the azimuth angle needs to be checked after the seat of the whipstock is hung, and the whole project needs a longer operation period and higher operation cost.
Disclosure of Invention
The invention aims to solve the defects in the prior art, such as: the packer does not have an azimuth orientation function, particularly when a lateral drilling branch well is drilled, because the lower anchoring tool does not have the orientation function, an azimuth angle needs to be swung when the whipstock is hung, the azimuth angle needs to be checked after the whipstock is hung, the whole project needs a longer working period and higher working cost, and the packer capable of transmitting torque and having the azimuth orientation function is provided.
The technical purpose of the invention is realized by the following technical scheme: a packer capable of transmitting torque and having an azimuth orientation function comprises an orientation guide joint, a bearing and a bearing, wherein the orientation guide joint is in threaded connection with a central pipe and is sealed through an O-shaped sealing ring; a seat seal push cylinder is directionally installed on the directional guide joint excircle seat, and the seat seal push cylinder is fixed through a shear pin I; the outer circle of the central pipe is provided with a double-tooth locking ring, and the outer circle of the central pipe is meshed with the double-tooth locking ring; the double-tooth lock ring is provided with a lock sleeve meshed with the double-tooth lock ring; an upper cone is arranged on the excircle of the central tube, the upper cone and the central tube are fixed through a shear pin III, the lock sleeve is arranged on the excircle of the left end of the upper cone, and the lock sleeve is fixed through a fastening pin III; a slip sleeve is fixedly arranged on the excircle at the right end of the upper cone through a shear pin II; the slip sleeve is internally provided with a slip for installation, the slip is restrained by an elastic sheet arranged in the slip sleeve, the excircle of the central tube is also provided with a lower cone, and the left end and the right end of the slip are respectively in conical surface contact with the upper cone and the lower cone and are limited; the outer circle of the right end of the lower cone is matched with the inner circle of the slip sleeve and is fixedly connected with the inner circle of the slip sleeve through a shear pin IV; the outer circle of the central tube is also provided with a rubber cylinder and a disc spring, the left end of the rubber cylinder is in contact with the right end of the lower cone for limiting, the right end of the rubber cylinder is provided with a rubber cylinder seat for limiting in contact, and the rubber cylinder seat is arranged on the outer circle of the central tube; the rubber cylinder seat and the disc spring are respectively in a pressing fit state; the upper thread of the central pipe is connected with a lower joint, and the lower joint and the central pipe are arranged in a sealing mode through an O-shaped sealing ring.
Preferentially, a guide rail and a limiting groove are machined at the left end of the directional guide joint, the guide rail is machined at 180 degrees symmetrically, and a special groove is machined in an inner hole of the directional guide joint.
Preferentially, the upper cone and the central pipe are restrained by a flat key, 2 through hole long grooves are processed on the upper cone, and 2 countersunk head long grooves are processed on the pipe body of the central pipe; one part of the flat key is arranged in the through hole long groove, and the other part of the flat key is arranged in the countersunk head long groove.
Preferentially, the lower cone and the central pipe are restrained by a flat key II, 2 through hole long grooves II are processed on the lower cone, and 2 countersunk head long grooves II are processed on the pipe body of the central pipe; one part of the flat key II is arranged in the through hole long groove II, and the other part of the flat key II is arranged in the countersunk head long groove II; and the flat key II is radially constrained through the slip sleeve.
Preferentially, the right end of the upper cone is processed with an upper cone surface, and the left end of the lower cone is processed with a lower cone surface; the left end and the right end of the slip are respectively provided with a slip conical surface I and a slip conical surface II; the upper conical surface is in contact fit with the first slip conical surface, and the lower conical surface is in contact fit with the second slip conical surface; and V-shaped grooves are axially processed on the tooth surface of the slip.
Preferably, a groove is further formed in the central tube, and a sawtooth thread is formed on the lower cone; a single-tooth lock ring is arranged in the groove and is meshed and matched with the sawtooth threads
Preferably, a fastening pin I, a fastening pin II, a fastening pin IV and a fastening pin V are arranged on the central tube.
In conclusion, the invention has the following beneficial effects: the packer capable of transmitting torque and having the azimuth orientation function belongs to a well drilling and completion tool, and solves the problems that an existing conventional packer cannot transmit torque and cannot provide azimuth orientation for an upper pipe string.
1. And when the upper pipe column is inserted back, the positioning key inserted into the pipe column is guided to enter the limiting groove, so that the upper pipe column obtains a specific azimuth angle.
2. The special structural design of the tool enables the slips, the cone and the central pipe to have anti-torque capacity, the whole tool is firmly anchored in the casing pipe and can bear the torque of 3 ten thousand N.m and the suspension force of more than 100 tons, and the whipstock is ensured not to slide or rotate when the window milling cone and the drill bit work.
3. The independent locking mechanism design of packing element and slips to and the design of packing element wriggling deformation compensation mechanism for the suspension of instrument and sealing performance are more reliable.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the description in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a packer capable of transmitting torque and having an azimuth orientation function according to an embodiment of the invention;
FIG. 2 is a cross-sectional view of an orientation guide joint of a packer capable of transmitting torque and having an azimuth orientation function, which is provided by the embodiment of the invention;
FIG. 3 is a cross-sectional view of a base pipe of a torque-transmitting and azimuthally oriented packer provided in accordance with an embodiment of the present invention;
FIG. 4 is a cross-sectional view of an upper cone of a packer capable of transmitting torque and having an azimuthally orienting function, provided by an embodiment of the invention;
FIG. 5 is a cross-sectional view of a torque transmissive slip for a packer with azimuthal orientation provided by embodiments of the present invention;
FIG. 6 is a cross-sectional view of a lower cone of a packer capable of transmitting torque and having an azimuth orientation function, which is provided by the embodiment of the invention.
Reference numerals:
the sealing device comprises a directional guide joint 1, a guide rail 101, a limiting groove 102, a special groove 103, a seat push cylinder 2, a central tube 3, a countersunk long groove 301, a countersunk long groove 302 II, a groove 303, a double-tooth locking ring 4, a locking sleeve 5, a flat key 6, an upper cone 7, a through hole 701 long groove 702, an upper cone 702, a slip sleeve 8, a slip 9, a slip cone 901, a slip cone II, a slip cone 903, a V-shaped groove 10, a spring plate 11, a flat key II, a lower cone 12, a through hole long groove II 1201, a lower cone 1202, a sawtooth thread 1203, a single-tooth locking ring 13, a rubber cylinder 14, a rubber cylinder seat 15, a disc spring 16, a lower joint 17, an O-shaped sealing ring 18, a shear pin I19, a fastening pin I20, a fastening pin II 21, a fastening pin III 22, a shear pin II 23, a shear pin III 24, a shear pin III 25, a fastening pin IV 26, a fastening pin IV, a fastening pin V27 fastening pin IV and a 28O-shaped sealing ring II.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1-6, a packer capable of transmitting torque and having an azimuth orientation function comprises an orientation guide joint 1, wherein the orientation guide joint 1 is in threaded connection with a central pipe 3 and is sealed by an O-shaped sealing ring 18; a seat seal push cylinder 2 is directionally installed on an outer circular seat of the directional guide joint 1, and the seat seal push cylinder 2 is fixed through a shear pin I19; the outer circle of the central tube 3 is provided with a double-tooth locking ring 4, and the outer circle of the central tube 3 is meshed with the double-tooth locking ring 4; the double-tooth lock ring 4 is provided with a lock sleeve 5 meshed with the double-tooth lock ring; an upper cone 7 is installed on the excircle of the central tube 3, the upper cone 7 and the central tube 3 are fixed through a third shear pin 24, a lock sleeve 5 is installed on the excircle of the left end of the upper cone 7, and the lock sleeve 5 is fixed through a third fastening pin 22; a slip sleeve 8 is fixedly arranged on the excircle at the right end of the upper cone 7 through a shear pin II 23; slips 9 are installed inside the slip sleeve 8, the slips 9 are restrained through elastic sheets 10 arranged in the slip sleeve 8, a lower cone 12 is further installed on the outer circle of the central tube 3, and the left end and the right end of each slip 9 are in conical surface contact with the upper cone 7 and the lower cone 12 respectively and are limited; the outer circle of the right end of the lower cone 12 is matched with the inner circle of the slip sleeve 8 and is fixedly connected with the inner circle of the slip sleeve through a shear pin IV 25; a rubber cylinder 14 and a disc spring 16 are further mounted on the excircle of the central tube 3, the left end of the rubber cylinder 14 is in contact limit with the right end of the lower cone 12, a rubber cylinder seat 15 in contact limit is arranged at the right end of the rubber cylinder 14, and the rubber cylinder seat 15 is mounted on the excircle of the central tube 3; the rubber cylinder seat 15 and the disc spring 16 are respectively in a pressing fit state; the central tube 3 is connected with a lower joint 17 through threads, and the lower joint 17 and the central tube 3 are arranged in a sealing mode through a second O-shaped sealing ring 28.
The left end of the directional guide joint 1 is provided with a guide rail 101 and a limiting groove 102, the guide rail 101 is symmetrically processed for 180 degrees and is inserted into an upper pipe column in the directional guide joint 1 in a tie-back manner, a positioning key inserted into the pipe column enters the limiting groove 102 to enable the upper pipe column to obtain a specific azimuth angle, a special groove 103 is processed in an inner hole of the directional guide joint 1, the special groove 103 is connected with a setting tool in a matched manner, and meanwhile, a setting tool releasing pawl can complete a setting releasing action at the position.
The upper cone 7 and the central tube 3 are restrained by a flat key 6, 2 through hole long grooves 701 are processed on the upper cone 7, and 2 countersunk long grooves 301 are processed on the tube body of the central tube 3; one part of the flat key 6 is arranged in the through hole long groove 701, the other part of the flat key is arranged in the countersunk head long groove 301, and the upper cone 7 can only move along the axial direction of the central tube 3 under the constraint of the flat key 6 and cannot move in a relative rotation mode with the central tube 3.
The lower cone 12 and the central tube 3 are restrained by a flat key II 11, 2 through hole long grooves II 1201 are processed on the lower cone 12, and 2 countersunk head long grooves II 302 are processed on the tube body of the central tube 3; one part of the flat key II 11 is arranged in the through hole long groove II 1201, and the other part of the flat key II is arranged in the countersunk head long groove II 302; the flat key II 11 is radially constrained by the slip sleeve 8, and the lower cone 12 can only axially move along the central tube 3 under the constraint of the flat key II 11 and cannot relatively rotate with the central tube 3.
An upper conical surface 702 is processed at the right end of the upper cone 7, and a lower conical surface 1202 is processed at the left end of the lower cone 12; a slip conical surface I901 and a slip conical surface II 902 are respectively processed at the left end and the right end of the slip 9; the upper conical surface 702 is in contact fit with the slip conical surface I901, the lower conical surface 1202 is in contact fit with the slip conical surface II 902, and the slip 9, the upper cone 7 and the lower cone 12 cannot generate relative rotation movement due to the upper fit relation and can directly transmit torque; the tooth surface of the slip 9 is axially processed with V-shaped grooves 903, and the slip 9 can be axially anchored and can be circumferentially anchored at the same time.
A groove 303 is further formed in the central tube 3, and a sawtooth thread 1203 is formed on the lower cone 12; the groove 303 is provided with a single-tooth locking ring 13, the single-tooth locking ring 13 is meshed with the sawtooth thread 1203, and the matching relation enables the lower cone 12 to move downwards along the axis of the central tube 3 in a single direction, so that the sealing rubber tube has an independent locking function.
The central tube 3 is provided with a first fastening pin 20, a second fastening pin 21, a fourth fastening pin 26 and a fifth fastening pin 27.
Setting: the seat sealing tool pushes the seat sealing push cylinder 2 to move downwards, the seat sealing push cylinder 2 firstly cuts the shear pin 19, and the lock sleeve 5 is continuously pushed to move downwards; the lock sleeve 5 drives the lock ring 4 and the upper cone 7 to move downwards, the shear pin 24 is firstly cut off in the downward movement process of the upper cone 7, and the slip sleeve 8, the slip 9 and the lower cone 12 are driven by the upper cone 7 to simultaneously move downwards under the constraint action of the shear pin 23 and the shear pin 25; the lower cone 12 starts to compress the rubber cylinder 14 in the descending process, the disc spring 16 stores elastic potential energy in the compression process of the rubber cylinder 14, and the lower cone 12 does not descend any more when the compression load of the rubber cylinder reaches the design value; the upper cone 7 continues to descend under the action of the seat push cylinder 2, firstly, the shear pin 25 is cut off, at the moment, the right end of the slip 9 is driven by the slip sleeve 8 to climb upwards along the conical surface of the lower cone 12 until the slip bites the inner wall of the sleeve, the upper cone 7 continues to descend to cut off the shear pin 23, at the moment, the conical surface of the upper cone 7 continues to push the left end of the slip 9 to climb upwards until the left end of the slip bites the inner wall of the sleeve, and therefore the seat sealing and anchoring actions of the tool are finished.
Locking action: the lower cone 12 cannot move reversely under the constraint of the single-tooth lock ring 13 so as to ensure that the compressed rubber cylinder 14 does not rebound, and meanwhile, the elastic potential energy accumulated by the disc spring 16 is used for compressing and compensating the peristaltic deformation of the rubber cylinder so as to ensure the sealing property of the rubber cylinder; the upper cone 7 can only move downwards under the action of the double-tooth locking ring 4, and the upper cone 7 is locked on the central tube 3 by the double-tooth locking ring 4 after the seat sealing action is finished.
Torsion resistance: the upper cone 7 and the central tube 3 are circumferentially constrained through the flat key 6, the lower cone 12 and the central tube 3 are circumferentially constrained through the flat key 11, and the upper cone 7, the lower cone 12 and the slip 9 are constrained through the conical surfaces 702 and 1202, so that the upper cone 7, the central tube 3, the lower cone 12 and the slip 9 cannot generate relative circumferential rotary motion, and the whole set of tool has the functions of transmitting torque and bearing large torque.
In the invention, a seat sealing tool pushes a seat sealing push cylinder 2 to move downwards, the seat sealing push cylinder 2 firstly cuts a shear pin I19, and the lock sleeve 5 is continuously pushed to move downwards; the lock sleeve 5 drives the lock ring 4 and the upper cone 7 to move downwards, the shear pin III 24 is firstly cut off in the downward movement process of the upper cone 7, and the slip sleeve 8, the slip 9 and the lower cone 12 are driven to simultaneously move downwards by the upper cone 7 under the constraint action of the shear pin II 23 and the shear pin IV 25; the lower cone 12 starts to compress the rubber cylinder 14 in the descending process, the disc spring 16 accumulates elastic potential energy in the compression process of the rubber cylinder 14, and the lower cone 12 does not descend any more when the compression load of the rubber cylinder 14 reaches the design value; the upper cone 7 continues to descend under the action of the seat push cylinder 2, firstly, a shear pin IV 25 is cut off, at the moment, the right end of the slip 9 is driven by the slip sleeve 8 to climb upwards along the conical surface of the lower cone 12 until the slip 9 bites the inner wall of the sleeve, the upper cone 7 continues to cut off a shear pin II 23 downwards, at the moment, the conical surface of the upper cone 7 continuously pushes the left end of the slip 9 to climb upwards until the left end of the slip 9 bites the inner wall of the sleeve, so that the seat sealing and anchoring actions of the tool are completed, in the whole seat sealing and anchoring action process, the lower cone 12 cannot move reversely under the restraint of the single-tooth lock ring 13, so that the compressed rubber cylinder 14 is prevented from rebounding, and meanwhile, the creep deformation of the rubber cylinder 14 is compressed and compensated by the elastic potential energy accumulated by the spring disc 16, so that the sealing performance of the rubber cylinder is ensured; go up cone 7 can only downstream under the effect of double tooth lock ring 4, go up cone 7 and be locked on center tube 3 by double tooth lock ring 4 after the seat seal action is accomplished, go up cone 7 and center tube 3 carry out circumference restraint through flat key 6, lower cone 12 and center tube 3 carry out circumference restraint through flat key 11, go up cone 7, lower cone 12 and slips 9 pass through last conical surface 702, the restraint of lower conical surface 1202, go up cone 7 like this, center tube 3, lower cone 12, slips 9 all can't produce relative circumference rotary motion, make the complete sets of instrument possess the transmission torque and can bear the function of great moment of torsion
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (7)
1. A packer capable of transmitting torque and having azimuth orientation function, comprising an orientation guide joint (1), characterized in that: the directional guide joint (1) is in threaded connection with the central pipe (3) and is sealed by an O-shaped sealing ring (18); a seat seal push cylinder (2) is directionally installed on an outer circular seat of the directional guide joint (1), and the seat seal push cylinder (2) is fixed through a shear pin I (19); the outer circle of the central pipe (3) is provided with a double-tooth locking ring (4), and the outer circle of the central pipe (3) is meshed with the double-tooth locking ring (4); the double-tooth lock ring (4) is provided with a lock sleeve (5) meshed with the double-tooth lock ring; an upper cone (7) is mounted on the excircle of the central tube (3), the upper cone (7) and the central tube (3) are fixed through a shear pin III (24), the lock sleeve (5) is mounted on the excircle of the left end of the upper cone (7), and the lock sleeve (5) is fixed through a fastening pin III (22); a slip sleeve (8) is fixedly arranged on the excircle at the right end of the upper cone (7) through a shear pin II (23); slips (9) are installed inside the slip sleeve (8), the slips (9) are restrained through elastic sheets (10) arranged in the slip sleeve (8), a lower cone (12) is further installed on the outer circle of the central pipe (3), and the left end and the right end of the slips (9) are respectively in conical surface contact with the upper cone (7) and the lower cone (12) and are limited; the outer circle of the right end of the lower cone (12) is matched with the inner circle of the slip sleeve (8) and is fixedly connected with the inner circle of the slip sleeve through a shear pin IV (25); a rubber cylinder (14) and a disc spring (16) are further mounted on the excircle of the central tube (3), the left end of the rubber cylinder (14) is in contact limit with the right end of the lower cone (12), a rubber cylinder seat (15) which is in contact limit with the right end of the rubber cylinder (14) is arranged at the right end of the rubber cylinder (14), and the rubber cylinder seat (15) is mounted on the excircle of the central tube (3); the rubber cylinder seat (15) and the disc spring (16) are respectively in a pressing fit state; the threaded connection has lower clutch (17) on center tube (3), lower clutch (17) and center tube (3) are through O type sealing washer (28) sealed setting.
2. The packer capable of transmitting torque and having azimuth orientation function according to claim 1, characterized in that the left end of the orientation guide joint (1) is provided with a guide track (101) and a limit groove (102), the guide track (101) is symmetrically processed by 180 degrees, and the inner hole of the orientation guide joint (1) is provided with a special groove (103).
3. The packer capable of transmitting torque and having the azimuth orientation function according to claim 1, wherein the upper cone (7) and the central pipe (3) are restrained by a flat key (6), 2 through-hole long grooves (701) are formed in the upper cone (7), and 2 countersunk long grooves (301) are formed in a pipe body of the central pipe (3); one part of the flat key (6) is arranged in the long trough (701) of the through hole, and the other part of the flat key is arranged in the long trough (301) of the countersunk head.
4. The packer capable of transmitting torque and having the azimuth orientation function as claimed in claim 1, wherein the lower cone (12) and the central pipe (3) are restrained by a flat key II (11), 2 through hole elongated slots II (1201) are machined on the lower cone (12), and 2 countersunk head elongated slots II (302) are machined on the body of the central pipe (3); one part of the flat key II (11) is arranged in the through hole long groove II (1201), and the other part of the flat key II is arranged in the countersunk head long groove II (302); the flat key II (11) is radially constrained through the slip sleeve (8).
5. A packer for transmitting torque and having azimuth orientation function according to claim 1, characterized in that the right end of the upper cone (7) is machined with an upper conical surface (702), and the left end of the lower cone (12) is machined with a lower conical surface (1202); a slip conical surface I (901) and a slip conical surface II (902) are respectively machined at the left end and the right end of the slip (9); the upper conical surface (702) is in contact fit with a slip conical surface I (901), and the lower conical surface (1202) is in contact fit with a slip conical surface II (902); and a V-shaped groove (903) is axially processed on the tooth surface of the slip (9).
6. A packer for transmitting torque and with azimuthal orientation function according to claim 1, characterized in that the central tube (3) is also machined with a groove (303) and the lower cone (12) is machined with a buttress thread (1203); a single-tooth locking ring (13) is arranged in the groove (303), and the single-tooth locking ring (13) is meshed and matched with the sawtooth threads (1203).
7. Packer for a torque transferrable and azimuthally oriented function according to claim 1, characterised in that on the base pipe (3) there are arranged fastening pin one (20), fastening pin two (21), fastening pin four (26) and fastening pin five (27).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210034410.2A CN114352231B (en) | 2022-01-12 | 2022-01-12 | Packer capable of transmitting torque and having azimuth orientation function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210034410.2A CN114352231B (en) | 2022-01-12 | 2022-01-12 | Packer capable of transmitting torque and having azimuth orientation function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114352231A true CN114352231A (en) | 2022-04-15 |
| CN114352231B CN114352231B (en) | 2023-10-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210034410.2A Active CN114352231B (en) | 2022-01-12 | 2022-01-12 | Packer capable of transmitting torque and having azimuth orientation function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114352231B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080023193A1 (en) * | 2006-07-26 | 2008-01-31 | O'brien Robert S | Swelling packer element with enhanced sealing force |
| CN102409990A (en) * | 2011-12-26 | 2012-04-11 | 中国石油集团渤海钻探工程有限公司 | Positioning hanger |
| CN208184703U (en) * | 2018-05-15 | 2018-12-04 | 东营市瑞丰石油技术发展有限责任公司 | The packer of torque can be transmitted |
| CN208816081U (en) * | 2018-08-06 | 2019-05-03 | 大庆泓洋机械设备有限公司 | A kind of compression packer of resistance to vibration anti-creep |
| CN211287616U (en) * | 2019-10-15 | 2020-08-18 | 东营华辰石油装备有限公司 | Bridge plug |
-
2022
- 2022-01-12 CN CN202210034410.2A patent/CN114352231B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080023193A1 (en) * | 2006-07-26 | 2008-01-31 | O'brien Robert S | Swelling packer element with enhanced sealing force |
| CN102409990A (en) * | 2011-12-26 | 2012-04-11 | 中国石油集团渤海钻探工程有限公司 | Positioning hanger |
| CN208184703U (en) * | 2018-05-15 | 2018-12-04 | 东营市瑞丰石油技术发展有限责任公司 | The packer of torque can be transmitted |
| CN208816081U (en) * | 2018-08-06 | 2019-05-03 | 大庆泓洋机械设备有限公司 | A kind of compression packer of resistance to vibration anti-creep |
| CN211287616U (en) * | 2019-10-15 | 2020-08-18 | 东营华辰石油装备有限公司 | Bridge plug |
Non-Patent Citations (2)
| Title |
|---|
| 张良涛;郝恒泽;刘敏;李力行;: "DXY441-114型防蠕动封隔器的研制与试验", 石油机械, vol. 38, no. 05, pages 62 - 63 * |
| 蒋贤儒, 刘玉国, 孙宝泉, 张雷, 张雪梅, 申兴哲, 郑金中, 姜国良: "锁紧持力式防顶锚定器的研制及现场试验", 石油机械, vol. 31, no. 06, pages 51 - 52 * |
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| Publication number | Publication date |
|---|---|
| CN114352231B (en) | 2023-10-13 |
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