CN211950435U - Mechanical setting fishable drillable bridge plug - Google Patents
Mechanical setting fishable drillable bridge plug Download PDFInfo
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- CN211950435U CN211950435U CN202020262397.2U CN202020262397U CN211950435U CN 211950435 U CN211950435 U CN 211950435U CN 202020262397 U CN202020262397 U CN 202020262397U CN 211950435 U CN211950435 U CN 211950435U
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Abstract
The utility model discloses a mechanical type is sat and is sealed and can drag for and bore bridging plug relates to oil gas field with downhole tool technical field, including the bridging plug body, the bridging plug body is including combination packing element, top connection, lower clutch, can bore slips, compound centrum, compound piece, mounting groove, seal groove, first sealing washer, second sealing washer, third sealing washer, reinforcement cover, connecting rod, steel ball, slot, spherical groove, support ring and annular spout. The utility model discloses can realize triple sealed protection, strengthen the sealed effect that the subassembly is connected, can further strengthen the leakproofness, avoid the third sealing washer to take place the displacement or not hard up simultaneously, can effectively strengthen the sealing performance of each subassembly junction of bridging plug body, improve the stability of bridging plug in the use, can insert the slot inboard fast with the steel ball, operation convenient and fast more appears producing wearing and tearing because of rotating when avoiding the steel ball to insert the third sealing washer, can prolong the life of third sealing washer.
Description
Technical Field
The utility model relates to an oil gas field is with downhole tool technical field, more specifically says, the utility model relates to a mechanical type is sat and is sealed can drag for and to bore bridging plug.
Background
The bridge plug is used for oil and gas well sealing, has the characteristics of few construction procedures, short period and accurate clamping and sealing position, and is divided into a permanent bridge plug and a removable bridge plug. When the removable bridge plug is put into a well, the removable bridge plug is connected with a setting tool through a breaking rod and a breaking ring, and after the removable bridge plug is conveyed to a preset position of a shaft by a cable or a pipe column, the bridge plug is set and released through ground ignition and detonation or compaction in an oil pipe, so that the bridge plug setting tool is safe and reliable. When fishing, the unlocking can be realized by only lowering a fishing tool to open the central pipe locking mechanism on the bridge plug and then loading the pipe column, and the fishing tool has the characteristics of simple operation of setting, fishing and unlocking, high use success rate and the like, and is convenient to construct.
The existing mechanical setting fishable and drillable bridge plug has poor sealing performance of connection among components, so that the performance of the bridge plug is unstable in the using process.
SUMMERY OF THE UTILITY MODEL
In order to overcome the above-mentioned defect of prior art, the embodiment of the utility model provides a mechanical type is sat and is sealed can drag for and to bore bridging plug, the utility model aims to solve the problem be: how to strengthen the sealing performance of the connection between the components and improve the stability of the bridge plug in the use process.
In order to achieve the above object, the utility model provides a following technical scheme: a mechanical setting fishable drillable bridge plug comprises a bridge plug body, wherein the bridge plug body comprises a combined rubber cylinder, an upper joint, a lower joint, two drillable slips, a composite cone and a composite sheet, the two composite sheets are respectively arranged at two ends of the combined rubber cylinder, one end of the composite sheet is provided with a mounting groove matched with the combined rubber cylinder, the inner wall of the composite sheet is provided with a sealing groove outside the mounting groove, the inner side of the sealing groove is far away from one end of the combined rubber cylinder and is provided with a first sealing ring, the outer wall of the combined rubber cylinder is provided with a second sealing ring and a third sealing ring which are matched with the sealing groove, the outer wall of the combined rubber cylinder is sleeved with a reinforcing sleeve which is in threaded connection, the inner wall of the reinforcing sleeve is close to one side of the third sealing ring and is provided with a plurality of connecting rods, one end of the connecting, the inner wall of the sealing groove is provided with a plurality of spherical grooves matched with the steel balls, one end of each connecting rod, far away from the steel balls, is provided with the same supporting ring, and the inner wall of the reinforcing sleeve is provided with an annular sliding groove matched with the supporting ring.
The embodiment of the utility model provides a mechanical type sits to seal and can drag for and bore bridging plug, with combination packing element and compound piece installation combination, second sealing washer and third sealing washer enter the seal groove inboard, with the cooperation of first sealing washer, realize triple seal protection, strengthen the sealed effect that the subassembly is connected, will strengthen the cover and rotate to compound piece one side, strengthen the cover and slowly be close to the compound piece, the steel ball inserts in the third sealing washer from the slot, top the third sealing washer from inside to outside, the outer wall of third sealing washer enters the spherical groove, can strengthen the hugging effect of third sealing washer and seal groove, can further strengthen the leakproofness, can strengthen the effect of connecting of third sealing washer and seal groove simultaneously, avoid the third sealing washer to take place the displacement or become flexible, can effectively strengthen the sealing performance of each subassembly junction of bridging plug body, improve the stability of bridging plug in the use, when rotating the reinforcement cover, the support ring rotates with the reinforcement cover relatively, annular chute rotates along the support ring, under the prerequisite of not stirring connecting rod or steel ball, only there is relative horizontal displacement between support ring and the third sealing washer, when the steel ball does not align with the slot, can stir connecting rod or steel ball, then insert the slot inboard with the steel ball, convenient and fast more operates, appear producing wearing and tearing because of rotating when avoiding the steel ball to insert the third sealing washer, can prolong the life of third sealing washer, in order to solve the problem that proposes among the above-mentioned background art.
In a preferred embodiment, the upper joint and the lower joint are respectively arranged at two ends of the bridge plug body, and the positions of various parts of the bridge plug body are described.
In a preferred embodiment, the composite cone is disposed between the drillable slips and the composite sheet to describe the position of the various components of the bridge plug body.
In a preferred embodiment, the combined rubber cylinder is in threaded connection with the composite sheet, and the connection mode of the combined rubber cylinder and the composite sheet is further defined.
In a preferred embodiment, the outer diameters of the two ends of the sealing groove are larger than the outer diameter of the middle of the sealing groove, and the outer diameter of the second sealing ring is smaller than the outer diameter of the third sealing ring, so that the first sealing ring, the second sealing ring and the third sealing ring form a multi-sealing structure with different sealing outer diameters.
In a preferred embodiment, the third sealing ring is arranged between the reinforcing sleeve and the second sealing ring, so that the third sealing ring can be acted on by a component on the reinforcing sleeve.
In a preferred embodiment, a spherical cavity is arranged inside the third sealing ring on one side of the slot, the radius of the spherical cavity is smaller than that of the steel ball, the steel ball enters the spherical cavity, the outer diameter of the third sealing ring is ensured to be different in concave and convex due to the entering of the steel ball, and the spherical cavity can be fully filled by the third sealing ring.
In a preferred embodiment, the outer wall of the reinforcing sleeve is provided with an annular through groove matched with the connecting rod, the annular through groove is communicated with the annular sliding groove, so that when the support ring rotates on the inner side of the annular sliding groove, the connecting rod rotates on the inner side of the annular through groove, and the rotary connecting support is provided between the connecting rod and the reinforcing sleeve.
The utility model discloses a technological effect and advantage:
1. the utility model discloses a set up mounting groove, seal groove, first sealing washer, second sealing washer, third sealing washer, reinforce cover, connecting rod, steel ball, slot and spherical groove, can realize triple sealed protection, strengthen the sealed effect that the subassembly is connected, can further strengthen the leakproofness, avoid the third sealing washer to take place the displacement or not hard up simultaneously, can effectively strengthen the sealing performance of each subassembly junction of bridging plug body, improve the stability of bridging plug in the use.
2. The utility model discloses a set up support ring and annular spout, can insert the slot inboard with the steel ball fast, operate convenient and fast more, appear when avoiding the steel ball to insert the third sealing washer because of rotating the production wearing and tearing, can prolong the life of third sealing washer.
Drawings
Fig. 1 is an overall partial front sectional view of the present invention.
Fig. 2 is a front view of the whole body of the present invention.
Fig. 3 is an enlarged schematic view of a point a in fig. 1 according to the present invention.
Fig. 4 is a front sectional view of the composite sheet of the present invention.
Fig. 5 is a side view of the combined rubber tube of the present invention.
The reference signs are: the bridge plug comprises a bridge plug body 1, a combined rubber cylinder 2, an upper joint 3, a lower joint 4, a drillable slip 5, a composite cone 6, a composite sheet 7, an installation groove 8, a sealing groove 9, a first sealing ring 10, a second sealing ring 11, a third sealing ring 12, a reinforcing sleeve 13, a connecting rod 14, a steel ball 15, a slot 16, a spherical groove 17, a support ring 18, an annular sliding groove 19, a spherical cavity 20 and an annular through groove 21.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The mechanical setting salvageable drillable bridge plug as shown in figures 1-5 comprises a bridge plug body 1, wherein the bridge plug body 1 comprises a combined rubber cylinder 2, an upper connector 3, a lower connector 4, two drillable slips 5, a composite cone 6 and composite sheets 7, the two composite sheets 7 are respectively arranged at two ends of the combined rubber cylinder 2, one end of each composite sheet 7 is provided with a mounting groove 8 matched with the combined rubber cylinder 2, the outer side of the mounting groove 8 on the inner wall of each composite sheet 7 is provided with a sealing groove 9, one end of the inner side of each sealing groove 9, far away from the combined rubber cylinder 2, is provided with a first sealing ring 10, the outer wall of the combined rubber cylinder 2 is provided with a second sealing ring 11 and a third sealing ring 12 which are matched with the sealing groove 9, the outer wall of the combined rubber cylinder 2 is sleeved with a reinforcing sleeve 13 in threaded connection, the inner wall of the reinforcing sleeve 13 is provided with a plurality of connecting rods 14, a steel ball 15 is arranged at one end, far away from the reinforcing sleeve 13, of the connecting rod 14, a slot 16 is arranged at one side of the outer wall of the third sealing ring 12, and a plurality of spherical grooves 17 matched with the steel ball 15 are arranged on the inner wall of the sealing groove 9;
the upper joint 3 and the lower joint 4 are respectively arranged at two ends of the bridge plug body 1, and the positions of all parts of the bridge plug body 1 are described;
the composite cone 6 is arranged between the drillable slip 5 and the composite sheet 7, and describes the positions of all parts of the bridge plug body 1;
the combined rubber cylinder 2 is in threaded connection with the composite sheet 7, and the connection mode of the combined rubber cylinder 2 and the composite sheet 7 is further limited;
the outer diameters of two ends of the sealing groove 9 are larger than the outer diameter of the middle of the sealing groove 9, the outer diameter of the second sealing ring 11 is smaller than the outer diameter of the third sealing ring 12, and the first sealing ring 10, the second sealing ring 11 and the third sealing ring 12 are guaranteed to form a multiple sealing structure with different sealing outer diameters;
the third sealing ring 12 is arranged between the reinforcing sleeve 13 and the second sealing ring 11, so that the components on the reinforcing sleeve 13 can act on the third sealing ring 12;
a spherical cavity 20 is arranged inside the third sealing ring 12 on one side of the slot 16, the radius of the spherical cavity 20 is smaller than that of the steel ball 15, the steel ball 15 enters the spherical cavity 20, the outer diameter of the third sealing ring 12 is ensured to be different in concave-convex shape due to the entering of the steel ball 15, and the spherical groove 17 can be fully filled by the third sealing ring 12.
The implementation mode is specifically as follows: when in use, the combined rubber cylinder 2 and the composite sheet 7 are assembled and combined by arranging the mounting groove 8, the sealing groove 9, the first sealing ring 10, the second sealing ring 11, the third sealing ring 12, the reinforcing sleeve 13, the connecting rod 14, the steel ball 15, the slot 16 and the spherical groove 17, the second sealing ring 11 and the third sealing ring 12 enter the inner side of the sealing groove 9 to be matched with the first sealing ring 10 to realize triple sealing protection and reinforce the sealing effect of component connection, the reinforcing sleeve 13 rotates towards one side of the composite sheet 7, the reinforcing sleeve 13 is slowly close to the composite sheet 7, the steel ball 15 is inserted into the third sealing ring 12 from the slot 16, the third sealing ring 12 is jacked from inside to outside, the outer wall of the third sealing ring 12 enters the spherical groove 17, the clinging effect of the third sealing ring 12 and the sealing groove 9 can be enhanced, the sealing performance can be further enhanced, and the connecting effect of the third sealing ring 12 and, the third sealing ring 12 is prevented from being displaced or loosened, so that the sealing performance of the connection part of each component of the bridge plug body 1 can be effectively enhanced, and the stability of the bridge plug in the use process is improved; the implementation mode specifically solves the problem that the performance of the bridge plug is unstable in the use process due to poor sealing performance of connection among components of the existing mechanical setting fishable and drillable bridge plug in the background art;
the mechanical setting fishable drillable bridge plug as shown in fig. 1, 3 and 5 further comprises a support ring 18, one end of the outer wall of the connecting rod 14, which is far away from the steel ball 15, is fixedly connected with the outer wall of the support ring 18, and the inner wall of the reinforcing sleeve 13 is provided with an annular sliding groove 19 matched with the support ring 18;
the outer wall of the reinforcing sleeve 13 is provided with an annular through groove 21 matched with the connecting rod 14, the annular through groove 21 is communicated with the annular sliding groove 19, and when the supporting ring 18 rotates on the inner side of the annular sliding groove 19, the connecting rod 14 rotates on the inner side of the annular through groove 21, so that the rotating connection support is provided between the connecting rod 14 and the reinforcing sleeve 13.
The implementation mode is specifically as follows: when the steel ball reinforcing device is used, the supporting ring 18 and the annular sliding groove 19 are arranged, when the reinforcing sleeve 13 is rotated, the supporting ring 18 and the reinforcing sleeve 13 rotate relatively, the annular sliding groove 19 rotates along the supporting ring 18, on the premise that the connecting rod 14 or the steel ball 15 is not pulled, only relative horizontal displacement exists between the supporting ring 18 and the third sealing ring 12, when the steel ball 15 is not aligned with the slot 16, the connecting rod 14 or the steel ball 15 can be pulled, then the steel ball 15 is inserted into the inner side of the slot 16, the operation is more convenient and rapid, abrasion caused by rotation when the steel ball 15 is inserted into the third sealing ring 12 is avoided, and the service life of the third sealing ring 12 can be.
The utility model discloses the theory of operation:
referring to the attached drawings 1-5 of the specification, by arranging the mounting groove 8, the sealing groove 9, the first sealing ring 10, the second sealing ring 11, the third sealing ring 12, the reinforcing sleeve 13, the connecting rod 14, the steel ball 15, the slot 16 and the spherical groove 17, triple sealing protection can be realized, the sealing effect of component connection is enhanced, the sealing property can be further enhanced, meanwhile, the third sealing ring 12 is prevented from being displaced or loosened, the sealing property of the connection part of each component of the bridge plug body 1 can be effectively enhanced, and the stability of the bridge plug in the use process is improved;
furthermore, referring to the attached drawings 1, 3 and 5 in the specification, by arranging the support ring 18 and the annular chute 19, the steel ball 15 can be quickly inserted into the inner side of the slot 16, the operation is more convenient and quicker, the abrasion caused by rotation when the steel ball 15 is inserted into the third seal ring 12 is avoided, and the service life of the third seal ring 12 can be prolonged.
The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;
secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;
and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a mechanical type is set and is sealed can drag for and to bore bridging plug, includes bridging plug body (1), its characterized in that: the bridge plug body (1) comprises a combined rubber cylinder (2), an upper joint (3), a lower joint (4), two drillable slips (5), a composite cone (6) and a composite sheet (7), wherein the two composite sheets (7) are respectively arranged at two ends of the combined rubber cylinder (2), one end of the composite sheet (7) is provided with a mounting groove (8) matched with the combined rubber cylinder (2), the inner wall of the composite sheet (7) is provided with a sealing groove (9) at the outer side of the mounting groove (8), the inner side of the sealing groove (9) is far away from one end of the combined rubber cylinder (2) and is provided with a first sealing ring (10), the outer wall of the combined rubber cylinder (2) is provided with a second sealing ring (11) and a third sealing ring (12) which are matched with the sealing groove (9), the outer wall of the combined rubber cylinder (2) is sleeved with a reinforcing sleeve (13) in threaded connection, the inner wall of the reinforcing sleeve (13) is close to one side of the, keep away from connecting rod (14) reinforced cover (13) one end is equipped with steel ball (15), third sealing washer (12) outer wall one side is equipped with slot (16), seal groove (9) inner wall be equipped with a plurality of with steel ball (15) assorted spherical groove (17), connecting rod (14) outer wall is kept away from steel ball (15) one end is equipped with same support ring (18), reinforced cover (13) inner wall be equipped with support ring (18) assorted annular chute (19).
2. The mechanical setting salvageable drillable bridge plug as claimed in claim 1, wherein the upper joint (3) and the lower joint (4) are respectively arranged at two ends of the bridge plug body (1).
3. A mechanical setting salvageable drillable bridge plug according to claim 1, characterized in that the composite cone (6) is placed between the drillable slip (5) and the composite sheet (7).
4. The mechanical setting salvageable drillable bridge plug as claimed in claim 1, wherein the combined rubber sleeve (2) is in threaded connection with the composite sheet (7).
5. The mechanical setting fishable bridge plug of claim 1, wherein the outer diameters of the two ends of the sealing groove (9) are larger than the outer diameter of the middle of the sealing groove (9), and the outer diameter of the second sealing ring (11) is smaller than the outer diameter of the third sealing ring (12).
6. The mechanical setting fishable bridge plug of claim 1, wherein the third seal ring (12) is disposed between the reinforcing sleeve (13) and the second seal ring (11).
7. The mechanical setting fishable bridge plug of claim 1, wherein a spherical cavity (20) is formed inside the third seal ring (12) on one side of the slot (16), and the radius of the spherical cavity (20) is smaller than that of the steel ball (15).
8. The mechanical setting salvageable drillable bridge plug as claimed in claim 1, wherein an annular through groove (21) matched with the connecting rod (14) is formed in the outer wall of the reinforcing sleeve (13), and the annular through groove (21) is communicated with the annular sliding groove (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020262397.2U CN211950435U (en) | 2020-03-06 | 2020-03-06 | Mechanical setting fishable drillable bridge plug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020262397.2U CN211950435U (en) | 2020-03-06 | 2020-03-06 | Mechanical setting fishable drillable bridge plug |
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| Publication Number | Publication Date |
|---|---|
| CN211950435U true CN211950435U (en) | 2020-11-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020262397.2U Active CN211950435U (en) | 2020-03-06 | 2020-03-06 | Mechanical setting fishable drillable bridge plug |
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| CN (1) | CN211950435U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116537740A (en) * | 2023-06-19 | 2023-08-04 | 盘锦恒奥瑞佳实业有限公司 | Bridge plug capable of being fished for convenient setting |
-
2020
- 2020-03-06 CN CN202020262397.2U patent/CN211950435U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116537740A (en) * | 2023-06-19 | 2023-08-04 | 盘锦恒奥瑞佳实业有限公司 | Bridge plug capable of being fished for convenient setting |
| CN116537740B (en) * | 2023-06-19 | 2024-02-13 | 盘锦恒奥瑞佳实业有限公司 | Bridge plug capable of being fished for convenient setting |
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