CN215256127U - Repeated setting bridge plug - Google Patents
Repeated setting bridge plug Download PDFInfo
- Publication number
- CN215256127U CN215256127U CN202121173363.7U CN202121173363U CN215256127U CN 215256127 U CN215256127 U CN 215256127U CN 202121173363 U CN202121173363 U CN 202121173363U CN 215256127 U CN215256127 U CN 215256127U
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- sleeve
- resistance
- spring
- claw
- locking
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- 210000000078 claw Anatomy 0.000 claims description 48
- 229910000831 Steel Inorganic materials 0.000 claims description 20
- 239000010959 steel Substances 0.000 claims description 20
- 241000251468 Actinopterygii Species 0.000 claims description 17
- 238000012856 packing Methods 0.000 claims description 16
- 230000006835 compression Effects 0.000 claims 1
- 238000007906 compression Methods 0.000 claims 1
- 238000000034 method Methods 0.000 claims 1
- 238000009434 installation Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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Abstract
Repeated seat seals bridging plug belongs to oil and gas field and uses downhole tool technical field, especially relates to a repeated seat seals formula bridging plug. The invention provides a bridge plug capable of being repeatedly seated. The rubber barrel comprises a rubber barrel shaft, wherein an inner rubber barrel is arranged on the inner side of the rubber barrel shaft, a lower pressing ring is arranged on the lower part of the outer side of the rubber barrel shaft, an upper pressing ring is fixedly arranged on the upper part of the outer side of the rubber barrel shaft, an outer rubber barrel is arranged between the upper pressing ring and the lower pressing ring, the inner side of the lower end of the rubber barrel shaft is fixedly connected with a locking block sleeve, and a core shaft is arranged in the rubber barrel shaft; the invention can be used for repeatedly setting and can adapt to the working condition that repeated setting is needed.
Description
Technical Field
The utility model belongs to the technical field of oil and gas field is with instrument in the pit, especially, relate to a repeated seat seals formula bridging plug.
Background
After the existing setting bridge plug completes setting and then unseals, the setting can not be repeated, and the complex field working conditions can not be dealt with.
Disclosure of Invention
The utility model discloses just to above-mentioned problem, provide a bridge plug that can repeated seat seals.
In order to realize the above object of the utility model, the utility model discloses a following technical scheme, the utility model discloses a packing element axle, packing element axle inboard installation inner rubber tube, packing element axle outside lower part is provided with down the clamping ring, and the fixed clamping ring that is provided with in packing element axle outside upper portion goes up the clamping ring and is provided with outer packing element down between the clamping ring, and packing element axle lower extreme inboard and locking piece cover fixed connection are provided with the dabber in the packing element axle.
The lower end of the lower pressing ring is fixedly connected with the outer side of the upper end of an upper cone of the slip mechanism, and the outer side of the lower end of a lower cone of the slip mechanism is fixedly connected with the inner side of the upper end of a locking sleeve.
A locking block sleeve is arranged in the locking sleeve, a spring locking block component is arranged in the locking block sleeve, and the inner side of the spring locking block component is matched with the outer surface of the mandrel; the outer side of the spring lock block component is matched with the locking sleeve; the lower end of the locking sleeve is fixedly connected with an anti-resistance inner sleeve, an anti-resistance steel ball is arranged in the lower end of the anti-resistance inner sleeve, and a ring groove matched with the anti-resistance steel ball is arranged on the locking block sleeve.
An anti-resistance seat is sleeved outside the lower end of the lock block sleeve and fixedly connected with an anti-resistance outer sleeve, an avoidance groove is formed in the lower portion of the anti-resistance outer sleeve corresponding to the anti-resistance steel ball, and an anti-resistance spring assembly is arranged on the upper portion of the anti-resistance outer sleeve; the upper end of the anti-resistance spring assembly is in contact with the lower end of the locking sleeve.
The middle part in the lock block sleeve is fixedly connected with the upper end of a deblocking elastic claw spring, and the lower part of the deblocking elastic claw spring is of an elastic open-petal structure; the lower end of the mandrel is provided with an unsealing sleeve, and bosses which are matched with each other are arranged between the unsealing sleeve and an elastic opening structure of the unsealing elastic claw spring; and the lower end of the locking block sleeve is fixedly provided with a track cylinder.
A friction mechanism is arranged outside the track cylinder; the outer surface of the track cylinder is provided with a long groove and a short groove, and the friction mechanism is provided with a track sliding nail matched with the long groove and the short groove.
The upper end of the mandrel is fixedly connected with the lower end of a fish top; the lower end face of the fish top corresponds to the rubber sleeve shaft and the upper pressure ring.
The fish top links to each other with fishing mechanism, fishing mechanism includes the top connection, the top connection lower extreme outside with salvage first threaded connection, the claw is salvaged in the outer installation of top connection, salvage the claw and be provided with the sheath outward, the nut is installed in the sheath upper end outside, salvage the claw upper end and salvage the sheath threaded connection of claw, it is inboard that the upper nut is packed into to salvage the sheath of claw, salvage claw lower extreme split, the split claw lower extreme inboard is provided with the inclined plane, salvage first outside processing chute, salvage the claw split claw and install in salvage the chute of head, salvage claw lower extreme outside and fish top upper end inboard threaded connection.
As a preferred scheme of the utility model, a shear pin is arranged between the upper cone and the rubber cylinder shaft, the lower part of the upper cone is arranged at the upper part in the slip cover, and the slip body with a spring is arranged at the middle part of the slip cover; the lower part in the slip cover is provided with a lower cone, and the conical surface at the inner side of the slip body is respectively connected with the conical surface at the lower part of the upper cone and the conical surface of the lower cone; the lower cone is connected with the locking sleeve through a cone sliding nail, the outer end of the cone sliding nail is inserted into the long groove on the side face of the slip cover, and the inner end of the cone sliding nail is inserted into the long groove on the side face of the locking block sleeve and the long groove on the outer side of the mandrel.
Furthermore, the inner conical surface of the lower end of the slip body can be provided with a dovetail key which is arranged in a dovetail groove of the conical surface of the lower cone body.
As another preferred scheme of the utility model, the mandrel is provided with a small diameter part matched with the inner side of the spring lock block component; and the inner surface of the locking sleeve is provided with locking teeth matched with the outer surface of the spring lock block component.
The utility model has the advantages that: the side surface of the deblocking elastic spring is provided with a groove, and the inner boss and the boss outside the deblocking sleeve form a deblocking mechanism which can be repeatedly deblocked; when the mandrel is unlocked, the upper locking block, the locking block spring and the lower locking block move to the position with the small diameter at the lower end of the mandrel, the upper locking block and the locking sleeve are unlocked, and when the mandrel is set again, the upper locking block, the locking block spring and the lower locking block move to the position with the large diameter of the mandrel, and the mandrel can be locked repeatedly; the salvaging claw is installed in the salvaging head groove in a split mode, salvaging with the top of the fish is carried out through lowering, and salvaging and releasing with the top of the fish can be carried out repeatedly through rotation; when setting, the friction block seat supports the nut, the anti-resistance outer sleeve and the anti-resistance spring seat to compress the anti-resistance spring, the anti-resistance steel ball is drawn out from the annular groove on the outer side of the lower end of the lock block sleeve, the packer is set, and the anti-resistance steel ball returns to the original position after deblocking, so that repeated anti-resistance can be realized.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the attached drawing, 1 is an upper connector, 2 is an upper screw cap, 3 is a fishing claw sheath, 4 is a fishing claw, 5 is a fishing head, 6 is a fish top, 7 is a mandrel, 8 is an upper press ring, 9 is a rubber barrel shaft, 10 is a lower press ring, 11 is an upper cone, 12 is a lock block sleeve, 13 is a slip cover, 14 is a slip body, 15 is a lower cone, 16 is a locking sleeve, 17 is a decapsulation sleeve, 18 is a decapsulation elastic claw spring, 19 is an anti-resistance spring seat, and 20 is an anti-resistance outer sleeve, 21 is an anti-resistance sleeve, 22 is an anti-resistance seat, 23 is an upper nut of a friction block, 24 is a seat of the friction block, 25 is a friction block, 26 is a sliding sleeve, 27 is a lower nut of the friction block, 28 is a track cylinder, 29 is an inner rubber cylinder, 30 is an outer rubber cylinder, 31 is a shear pin, 32 is a slip spring, 33 is a cone sliding pin, 35 is a spring lock block component, 36 is an anti-resistance inner sleeve, 37 is an anti-resistance spring component, 38 is an anti-resistance steel ball, 39 is a friction spring and 40 is a track sliding pin.
Detailed Description
The utility model discloses a packing element axle 9, packing element 29 in the 9 inboard installations of packing element axle, 9 outside lower parts of packing element axle are provided with down clamping ring 10, and 9 outside upper portions of packing element axle are fixed and are provided with clamping ring 8, go up the clamping ring 8 and be provided with outer packing element 30 down between the clamping ring 10, and 9 lower extreme inboards of packing element axle and locking piece cover 12 fixed connection are provided with dabber 7 in the packing element axle 9.
The inside of the lower end of the lower pressing ring 10 is fixedly connected with the outer side of the upper end of an upper cone 11 of the slip mechanism, and the outer side of the lower end of a lower cone 15 of the slip mechanism is fixedly connected with the inner side of the upper end of a locking sleeve 16.
A locking block sleeve 12 is arranged in the locking sleeve 16, a spring locking block component 35 is arranged in the locking block sleeve 12, and the inner side of the spring locking block component 35 is matched with the outer surface of the mandrel 7; the outer side of the spring lock block component 35 is matched with the locking sleeve 16; the lower end of the locking sleeve 16 is fixedly connected with an anti-resistance inner sleeve 36, an anti-resistance steel ball 38 is arranged in the lower end of the anti-resistance inner sleeve 36, and a ring groove matched with the anti-resistance steel ball 38 is arranged on the locking block sleeve 12.
An anti-blocking seat 22 is sleeved outside the lower end of the lock block sleeve 12, the anti-blocking seat 22 is fixedly connected with an anti-blocking outer sleeve 20, an avoidance groove is formed in the lower portion of the anti-blocking outer sleeve 20 corresponding to the anti-blocking steel ball 38, and an anti-blocking spring assembly 37 is arranged on the upper portion of the anti-blocking outer sleeve 20; the upper end of the anti-drag spring assembly 37 is in contact with the lower end of the locking sleeve 16.
The middle part in the lock block sleeve 12 is fixedly connected with the upper end of an unsealing elastic claw spring 18, and the lower part of the unsealing elastic claw spring 18 is of an elastic open-petal structure; the lower end of the mandrel 7 is provided with an unsealing sleeve 17, and mutually matched bosses are arranged between the unsealing sleeve 17 and an elastic opening structure of the unsealing elastic claw spring 18; the lower end of the lock block sleeve 12 is fixedly provided with a track cylinder 28.
A friction mechanism is arranged outside the track drum 28; the outer surface of the track cylinder 28 is provided with a long groove and a short groove, and the friction mechanism is provided with a track sliding nail 40 matched with the long groove and the short groove.
The upper end of the mandrel 7 is fixedly connected with the lower end of a fish top 6; the lower end face of the fish top 6 corresponds to the rubber sleeve shaft 9 and the upper pressure ring 8.
The fish top 6 links to each other with fishing mechanism, fishing mechanism includes top connection 1, 1 lower extreme outside of top connection and fishing head 5 threaded connection, 1 outer installation fishing claw 4 of top connection, fishing claw 4 is provided with the sheath outward, nut 2 is installed in the sheath upper end outside, fishing claw 4 upper end and fishing claw 4's sheath threaded connection, fishing claw 4's sheath is packed into 2 inboards of nut, fishing claw 4 lower extreme split, split claw lower extreme inboard is provided with the inclined plane, fishing head 5 outside processing chute, fishing claw 4 split's claw is installed in fishing head 5's chute, fishing claw 4 lower extreme outside and 6 upper end inboard threaded connection of fish top.
As a preferred scheme of the utility model, a shear pin 31 is arranged between the upper cone 11 and the rubber cylinder shaft 9, the lower part of the upper cone 11 is arranged at the upper part in the slip cover 13, and the slip body 14 with a spring is arranged at the middle part of the slip cover 13; a lower cone 15 is arranged at the inner lower part of the slip cover 13, and the conical surface at the inner side of the slip body 14 is respectively connected with the conical surface at the lower part of the upper cone 11 and the conical surface of the lower cone 15; the lower cone 15 is connected with the locking sleeve 16 through a cone sliding nail 33, the outer end of the cone sliding nail 33 is inserted into the long groove on the side surface of the slip cover 13, and the inner end of the cone sliding nail 33 is inserted into the long groove on the side surface of the locking block sleeve 12 and the long groove on the outer side of the mandrel 7.
Furthermore, the inner conical surface of the lower end of the slip body 14 can be provided with a dovetail key which is arranged in a dovetail groove of the conical surface of the lower cone 15.
As another preferred scheme of the present invention, a small diameter portion matched with the inner side of the spring lock block assembly 35 is arranged on the mandrel 7; the inner surface of the locking sleeve 16 is provided with locking teeth which are matched with the outer surface of the spring lock block assembly 35.
The inner side of the upper end of the anti-resistance outer sleeve 20 is provided with an anti-resistance spring seat 19, the inner side of the lower end of the anti-resistance outer sleeve 20 is in threaded connection with an anti-resistance seat 22, an anti-resistance inner sleeve 36 is arranged inside the anti-resistance outer sleeve 20, the outer side of the upper end of the anti-resistance inner sleeve 36 is in threaded connection with the inner side of the lower end of the locking sleeve 16, an anti-resistance steel ball 38 is arranged in a side hole of the anti-resistance inner sleeve 36, the inner part of the anti-resistance steel ball 38 is arranged in a ring groove in the outer end of the locking block sleeve 12, the outer end of the anti-resistance steel ball 38 is supported by a shoulder inside the anti-resistance outer sleeve 20, the lower end of an anti-resistance spring of the anti-resistance spring component 37 is arranged in the anti-resistance spring seat 19, and the upper end of the anti-resistance spring supports the locking sleeve 16.
A friction spring 39 and a friction block 25 are arranged in a groove on the outer side of a friction block seat 24, the inner side of a friction block upper screw cap 232 is in threaded connection with the upper end of the friction block seat 24, the inner side of the lower end of the friction block upper screw cap is provided with the friction block 25, the inner side of the friction block lower screw cap 27 is in threaded connection with the lower end of the friction block seat 24, the inner side of the upper end of the friction block upper screw cap is provided with the friction block 25, the inner side of the lower end of the friction block seat 24 and the inner side of the upper end of the friction block lower screw cap 27 are provided with sliding sleeves 26, a track cylinder 28 is arranged inside the friction block seat 24, a track sliding nail 40 is arranged on the side surface of the sliding sleeve 26, and an inner boss is arranged in a track groove on the outer side of the track cylinder 28.
The side surface of the deblocking elastic claw spring 18 of the utility model is provided with a slot, and the inner boss and the boss outside the deblocking sleeve 17 form a deblocking mechanism which can be repeatedly deblocked; when the mandrel 7 is unlocked, the spring lock block assembly 35 moves to the position with the small diameter at the lower end of the mandrel 7 and is unlocked with the locking sleeve 16, and when the mandrel 7 is set again, the spring lock block assembly 35 moves to the position with the large diameter of the mandrel 7 and can be locked repeatedly; the salvaging claw 4 is installed in a groove of the salvaging head 5 in a split way, salvaging is carried out by lowering the fish top 6, and salvaging and releasing can be repeated by rotating the fish top 6; when setting, the friction block seat 24 supports the anti-blocking seat 22, the anti-blocking outer sleeve 20 and the anti-blocking spring seat 19, an anti-blocking spring is compressed, the anti-blocking steel ball 38 slides out from the annular groove on the outer side of the lower end of the locking block sleeve 12, the packer is set, and the anti-blocking steel ball 38 returns to the original position after deblocking, and resistance can be repeated.
Setting, after the upper joint 1 is connected with a tubing string and the tubing string is lowered to a set position in a well, the tubing string is lifted upwards and lowered, a track sliding nail 40 slides into a long groove from a short groove in a track groove of a track cylinder 28 by means of the friction force between a friction block 25 and the inner wall of the casing, the friction block seat 24, an anti-resistance seat 22, an anti-resistance spring seat 19, an anti-resistance spring, a locking sleeve 16 and a lower cone 15 move downwards, an upper cone 11 moves downwards, a slip body 14 anchors the inner wall of the casing, the tubing string is lowered continuously, a rubber sleeve is compressed for expanding sealing, meanwhile, a spring locking block assembly 35 and the locking sleeve 16 are locked, and setting is completed; releasing the fishing tool, rotating the pipe column positively, driving the fishing head 5 to drive the fishing claw 4 to be disconnected with the fish top 6, and completing releasing the fishing tool; deblocking, releasing the release, connecting the salvaging claw 4 with the fish top 6, lifting the pipe column to achieve deblocking load, extracting the outer boss of the deblocking sleeve 17 from the inner boss of the deblocking elastic claw spring 18, recovering the spring lock block component 35, releasing locking, recovering the rubber cylinder, recovering the slip body 14, and completing deblocking; and repeating the steps when setting, releasing and unsealing again. The function and action of the components not mentioned is the normal way of operation of the bridge plug.
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 (6)
1. Repeated seat seals bridging plug, including packing element axle (9), its characterized in that: an inner rubber cylinder (29) is arranged on the inner side of a rubber cylinder shaft (9), a lower pressing ring (10) is arranged on the lower portion of the outer side of the rubber cylinder shaft (9), an upper pressing ring (8) is fixedly arranged on the upper portion of the outer side of the rubber cylinder shaft (9), an outer rubber cylinder (30) is arranged between the upper pressing ring (8) and the lower pressing ring (10), the inner side of the lower end of the rubber cylinder shaft (9) is fixedly connected with a locking block sleeve (12), and a core shaft (7) is arranged in the rubber cylinder shaft (9);
the inside of the lower end of the lower compression ring (10) is fixedly connected with the outer side of the upper end of an upper cone (11) of the slip mechanism, and the outer side of the lower end of a lower cone (15) of the slip mechanism is fixedly connected with the inner side of the upper end of a locking sleeve (16);
a lock block sleeve (12) is arranged in the locking sleeve (16), a spring lock block component (35) is arranged in the lock block sleeve (12), and the inner side of the spring lock block component (35) is matched with the outer surface of the mandrel (7); the outer side of the spring lock block component (35) is matched with the locking sleeve (16); the lower end of the locking sleeve (16) is fixedly connected with an anti-resistance inner sleeve (36), an anti-resistance steel ball (38) is arranged in the lower end of the anti-resistance inner sleeve (36), and a ring groove matched with the anti-resistance steel ball (38) is arranged on the locking block sleeve (12);
an anti-resistance seat (22) is sleeved outside the lower end of the lock block sleeve (12), the anti-resistance seat (22) is fixedly connected with an anti-resistance outer sleeve (20), an avoidance groove is formed in the lower portion of the anti-resistance outer sleeve (20) corresponding to the anti-resistance steel ball (38), and an anti-resistance spring assembly (37) is arranged on the upper portion of the anti-resistance outer sleeve (20); the upper end of the anti-resistance spring assembly (37) is contacted with the lower end of the locking sleeve (16);
the inner middle part of the lock block sleeve (12) is fixedly connected with the upper end of an unsealing elastic claw spring (18), and the lower part of the unsealing elastic claw spring (18) is of an elastic open-petal structure; the lower end of the mandrel (7) is provided with an unsealing sleeve (17), and bosses which are matched with each other are arranged between the unsealing sleeve (17) and an elastic open-valve structure of an unsealing elastic claw spring (18); the lower end of the lock block sleeve (12) is fixedly provided with a track cylinder (28);
a friction mechanism is arranged outside the track drum (28); the outer surface of the track cylinder (28) is provided with a long groove and a short groove, and the friction mechanism is provided with a track sliding nail (40) matched with the long groove and the short groove;
the upper end of the mandrel (7) is fixedly connected with the lower end of a fish top (6); the lower end surface of the fish top (6) corresponds to the rubber sleeve shaft (9) and the upper pressure ring (8);
the utility model discloses a fishing device, including fishing head (5), nut (2) are installed to the sheath outside, fishing claw (4), salvaging claw (4), the sheath is provided with the sheath outside, nut (2) are installed to the sheath upper end outside, salvaging claw (4) upper end and the sheath threaded connection who salvages claw (4), the sheath of salvaging claw (4) is packed into nut (2) inboard, salvaging claw (4) lower extreme split, the claw lower extreme inboard of split is provided with the inclined plane, salvage the first (5) outside and process the chute, the claw of salvaging claw (4) split is installed in the chute of salvaging head (5), salvaging claw (4) lower extreme outside and the inboard threaded connection in fishing head (6) upper end.
2. A resecured bridge plug according to claim 1, wherein: a shear pin (31) is arranged between the upper cone (11) and the rubber cylinder shaft (9), the lower part of the upper cone (11) is arranged at the inner upper part of the slip cover (13), and the middle part of the slip cover (13) is provided with a slip body (14) with a spring; a lower cone (15) is arranged at the inner lower part of the slip cover (13), and the conical surface at the inner side of the slip body (14) is respectively connected with the conical surface at the lower part of the upper cone (11) and the conical surface of the lower cone (15); the lower cone (15) is connected with the locking sleeve (16) through a cone sliding nail (33), the outer end of the cone sliding nail (33) is inserted into a long groove on the side surface of the slip cover (13), and the inner end of the cone sliding nail (33) is inserted into a long groove on the side surface of the locking block sleeve (12) and a long groove on the outer side of the mandrel (7).
3. A resecured bridge plug according to claim 2, wherein: the inner conical surface of the lower end of the slip body (14) can be provided with a dovetail key which is arranged in a dovetail groove of the conical surface of the lower cone (15).
4. A resecured bridge plug according to claim 1, wherein: the mandrel (7) is provided with a small-diameter part matched with the inner side of the spring lock block assembly (35); the inner surface of the locking sleeve (16) is provided with locking teeth matched with the outer surface of the spring lock block component (35).
5. A resecured bridge plug according to claim 1, wherein: the anti-resistance spring seat (19) is arranged on the inner side of the upper end of the anti-resistance outer sleeve (20), the inner side of the lower end of the anti-resistance outer sleeve (20) is in threaded connection with the anti-resistance seat (22), the anti-resistance inner sleeve (36) is mounted inside the anti-resistance outer sleeve (20), the outer side of the upper end of the anti-resistance inner sleeve (36) is in threaded connection with the inner side of the lower end of the locking sleeve (16), the anti-resistance steel ball (38) is mounted in a side hole of the anti-resistance inner sleeve (36), the anti-resistance steel ball (38) is mounted inside a ring groove in the outer end of the locking block sleeve (12), the outer end of the anti-resistance steel ball (38) is supported by an inner circular shoulder of the anti-resistance outer sleeve (20), the anti-resistance spring seat (19) is mounted at the lower end of the anti-resistance spring assembly (37), and the upper end of the anti-resistance spring supports the locking sleeve (16).
6. A resecured bridge plug according to claim 1, wherein: a friction spring (39) and a friction block body (25) are installed in a groove on the outer side of a friction block seat (24), the inner side of an upper nut (232) of the friction block is in threaded connection with the upper end of the friction block seat (24), the inner side of the lower end of the friction block is provided with the friction block body (25), the inner side of a lower nut (27) of the friction block is in threaded connection with the lower end of the friction block seat (24), the inner side of the upper end of the lower nut (27) of the friction block is provided with a sliding sleeve (26), a track cylinder (28) is installed inside the friction block seat (24), a track sliding nail (40) is installed on the side face of the sliding sleeve (26), and an inner boss is installed in a track groove on the outer side of the track cylinder (28).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121173363.7U CN215256127U (en) | 2021-05-28 | 2021-05-28 | Repeated setting bridge plug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121173363.7U CN215256127U (en) | 2021-05-28 | 2021-05-28 | Repeated setting bridge plug |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215256127U true CN215256127U (en) | 2021-12-21 |
Family
ID=79474488
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121173363.7U Active CN215256127U (en) | 2021-05-28 | 2021-05-28 | Repeated setting bridge plug |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215256127U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113356792A (en) * | 2021-05-28 | 2021-09-07 | 阜新市石油工具厂 | Repeated setting bridge plug |
| CN115522886A (en) * | 2022-10-13 | 2022-12-27 | 中国石油天然气股份有限公司 | Integration extrusion tube column |
-
2021
- 2021-05-28 CN CN202121173363.7U patent/CN215256127U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113356792A (en) * | 2021-05-28 | 2021-09-07 | 阜新市石油工具厂 | Repeated setting bridge plug |
| CN113356792B (en) * | 2021-05-28 | 2024-11-12 | 阜新市石油工具厂 | Repeated Sealing Bridge Plug |
| CN115522886A (en) * | 2022-10-13 | 2022-12-27 | 中国石油天然气股份有限公司 | Integration extrusion tube column |
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