CN219691511U - Bridge plug assembly - Google Patents
Bridge plug assembly Download PDFInfo
- Publication number
- CN219691511U CN219691511U CN202320704166.6U CN202320704166U CN219691511U CN 219691511 U CN219691511 U CN 219691511U CN 202320704166 U CN202320704166 U CN 202320704166U CN 219691511 U CN219691511 U CN 219691511U
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- Prior art keywords
- joint
- face
- slip
- outer end
- bridge plug
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- 238000001125 extrusion Methods 0.000 claims abstract description 25
- 238000007789 sealing Methods 0.000 claims abstract description 19
- 239000000463 material Substances 0.000 claims description 2
- 230000006978 adaptation Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
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- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The utility model discloses a bridge plug assembly, in particular to the technical field of oil gas well sealing layers, which comprises a lower joint, wherein the lower joint is arranged in a circular state in the right-view direction, one side end surface of the lower joint is provided with a central pipe, the outer end surface of the central pipe is provided with a first slip joint at one side end surface close to the lower joint, the outer end surface of the central pipe is provided with a second joint at one end far away from the lower joint, the outer end surface of the central pipe is provided with an external thread at one side close to the second joint, the outer end of the central pipe is provided with an upper joint, the inner end surface of the upper joint is provided with an internal thread, and one side of the inner end surface of the upper joint is provided with a limiting groove I. In actual use, the upper joint can be conveniently installed and detached under the corresponding arrangement state of the limiting groove I, the internal thread, the annular clamping piece and the external thread, so that the bridge plug main body can be installed and detached under the state that the inner end surface of the first slip joint, the second slip joint and the extrusion cone body is matched with the outer end surface of the central tube.
Description
Technical Field
The utility model relates to the technical field of oil and gas well sealing layers, in particular to a bridge plug assembly.
Background
The soluble bridge plug is a novel bridge plug technology based on the development of a quick-drilling fracturing bridge plug, and the bridge plug is suitable for the technologies of pumping fracturing of a horizontal well, temporary plugging of an oil and gas well and the like. A microminiature soluble bridge plug assembly described in publication No. (CN 215672128U) is installed through a hydraulic or ignition setting tool, a ball seat is driven to be hydraulically and gunpowder-type through the bridge plug adapter, the bridge plug assembly comprises a push cylinder, a pull rod and an internal conversion connector, the bridge plug can be prevented from being biased after setting by a primary slip and a secondary slip in the setting process, and a bent type raised tooth block group in the primary slip and the secondary slip is used for fixing and supporting a primary cone and a secondary cone and buffering the extrusion force of the cone to the slips.
Above-mentioned device, in carrying out the use, can effectually block up underground pipe, it is comparatively convenient to use simultaneously, can assemble it at the job site, but above-mentioned device, because slips when exerting pressure the bellied junction of screw thread recess and screw thread when carrying out the shutoff, produce easily not hard up, more probably produce when the pressure is great and drop, cause the influence to underground pipe's shutoff work.
Disclosure of Invention
In order to overcome the above-mentioned drawbacks of the prior art, an embodiment of the present utility model provides a bridge plug assembly, which solves the technical problems: how to increase the stability of the bridge plug disassembly and assembly and the stability when pressing.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the bridge plug assembly comprises a lower joint, wherein the lower joint is arranged in a circular state in the right view direction, a central tube is arranged on one side end face of the lower joint, a first slip joint is arranged on one side end face of the outer end face of the central tube, which is close to the lower joint, a second joint is arranged on one end of the outer end face of the central tube, which is far away from the lower joint, an external thread is arranged on one side of the outer end face of the central tube, an upper joint is arranged at the outer end of the external thread, an internal thread is arranged on the inner end face of the upper joint, a limiting groove I is arranged on one side of the inner end face of the upper joint, a second slip joint is arranged on one side of the upper joint, and an annular clamping piece is arranged on one side end face of the second slip joint;
the inner side end face of the first slip joint and the inner side end face of the second slip joint are provided with slip supporting blocks, the outer end face of each slip supporting block is provided with a limiting groove II, limiting slips are arranged in the limiting grooves II, the outer end face of each limiting slip is provided with a plurality of limiting protruding blocks, and the end face of one side, far away from each slip supporting block, of the first slip joint is provided with a conical clamping block.
In a preferred embodiment, the lower joint is provided with a conical clamping ring at one side end face close to the central tube, and the lower joint is provided with a first connecting joint at one side end face far from the central tube;
the outer terminal surface of center tube is equipped with the extrusion centrum in one side that is close to first slip joint, and one side of the outer terminal surface of extrusion centrum is equipped with spacing cardboard, and the outer terminal surface of center tube is equipped with annular extrusion pad in the terminal surface of one side of extrusion centrum, and the terminal surface of one side of annular extrusion pad is equipped with annular sealing pad.
In a preferred embodiment, the outer end face of the conical clamping ring is matched with the inner end face of the conical clamping block through clamping, the number of the extruded vertebral bodies is two, and the end faces at two sides of the annular sealing gasket are arranged in a mirror image state;
the quantity of spacing cardboard is equipped with a plurality of, and is annular array state setting in the outside of the right viewing direction central point of extrusion centrum, and the interior terminal surface looks adaptation of annular extrusion pad and the interior terminal surface looks adaptation of annular seal pad, and the cross-section of annular seal pad is semi-circular state setting.
In a preferred embodiment, the end face of the second connector is provided with a pin hole, the specifications of the first slip joint and the second slip joint are the same, and the first slip joint and the second slip joint are arranged in a mirror image state on the outer end face of the central pipe;
the external thread is matched with the internal thread through the clamping connection, and the outer end face of the annular clamping piece is matched with the inner end face of the first limiting groove.
In a preferred embodiment, the number of the slip support blocks and the limit slips is multiple, and the slip support blocks and the limit slips are arranged in an annular array state outside the midpoint of the right-view direction of the first slip joint and the second slip joint;
the outer end face of the limiting slip is matched with the inner end face of the limiting groove II, a ball plug is arranged on the inner side of the second connector, and the ball plug is a member made of a dissolvable material.
In a preferred embodiment, the gaps reserved among the tile supporting blocks are the same as the thickness of the limiting clamping plate, and the inner end surfaces of the second slip joint, the extrusion cone and the first slip joint are matched with the outer end surface of the central tube.
The utility model has the technical effects and advantages that:
in actual use, the upper joint can be conveniently installed and disassembled in the corresponding arrangement states of the limiting groove I, the internal thread, the annular clamping piece and the external thread, so that the bridge plug main body can be installed and disassembled in the state that the inner end face of the first slip joint, the second slip joint and the extrusion cone body are matched with the outer end face of the central pipe, the convenience in assembling and transporting the bridge plug is improved, and meanwhile, the bridge plug assembly can be conveniently contracted inwards under the action of pressure in the corresponding arrangement states of the tile supporting blocks, the limiting slips, the annular sealing gasket and the extrusion cone body, so that the sealing treatment of the interior of an underground pipeline is facilitated, the sealing stability of the bridge plug assembly can be improved, and the stability in the application of pressure can be effectively improved due to the arrangement of the dismounting structure of the bridge plug assembly.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model.
Fig. 2 is a schematic diagram of the overall front view cross-section structure of the present utility model.
Fig. 3 is a schematic view of the whole cross-section connecting structure of the present utility model.
Fig. 4 is an enlarged view of the portion a of fig. 3 according to the present utility model.
Fig. 5 is an enlarged view of the B part in fig. 3 according to the present utility model.
The reference numerals are: the device comprises a lower connector 1, a first connector 2, a first slip connector 3, an annular sealing gasket 4, a limiting clamping plate 5, a second slip connector 6, an upper connector 7, a second connector 8, an extruded cone 9, a pin hole 10, a ball plug 11, a 12-watt supporting block 13, a central tube 14, a limiting slip 15, a limiting groove I, an internal thread 16, an annular clamping piece 17, an external thread 18, a conical clamping ring 19, an annular extrusion pad 20, a conical clamping block 21, a limiting bump 22 and a limiting groove II 23.
Detailed Description
The utility model provides a bridge plug assembly, as shown in fig. 1 and 2, the bridge plug assembly comprises a first connector 2 arranged on one side end face of a lower connector 1, a central tube 13 arranged on one side end face of the lower connector 1, a first slip connector 3 arranged on one side end face of the outer end face of the central tube 13 close to the lower connector 1, a second connector 8 arranged on one end of the outer end face of the central tube 13 far away from the lower connector 1, pin holes 10 arranged on the end face of the second connector 8, an upper connector 7 arranged on the outer end of the central tube 13 and an outer end face of an external thread 18, a second slip connector 6 arranged on one side of the upper connector 7, slip supporting blocks 12 arranged on the inner side end faces of the first slip connector 3 and the second slip connector 6, a plurality of limit clamping plates 5 arranged on one side of the outer end face of the extruded cone 9 and arranged in an annular array state on the outer side of the right viewing direction central point of the extruded cone 9, pin holes 10 arranged on the end faces of the second connector 8, and the first slip connector 3 and the second slip connector 6 arranged on the same specification and the central tube arranged in a mirror image state on the outer side of the central tube 13.
As shown in fig. 3, the number of slip supporting blocks 12 and limiting slips 14 is multiple, and the outer sides of the midpoints of the right viewing directions of the first slip joint 3 and the second slip joint 6 are arranged in an annular array state, so that the bridge plug can be conveniently blocked inside an underground pipeline through the limiting slips 14, looseness of the bridge plug is avoided, the outer end face of the central pipe 13 is provided with an external thread 18 on one side close to the second connector 8, the inner end face of the upper joint 7 is provided with an internal thread 16, one side of the inner end face of the upper joint 7 is provided with a limiting groove 15, one side end face of the second slip joint 6 is provided with an annular clamping piece 17, the lower joint 1 is provided with a conical clamping ring 19 on one side end face close to the central pipe 13, the external thread 18 is matched with the internal thread 16 through clamping, assembly locking of the bridge plug can be conveniently achieved, and convenience in transportation and use is improved, and the outer end face of the annular clamping piece 17 is matched with the inner end face of the limiting groove 15.
As shown in fig. 4 and 5, the outer end face of the central tube 13 is provided with an annular extrusion pad 20 on one side end face of the extrusion cone 9, one side end face of the annular extrusion pad 20 is provided with an annular sealing pad 4, the inner end face of the annular extrusion pad 20 is matched with the inner end face of the annular sealing pad 4, the cross section of the annular sealing pad 4 is in a semicircular state, the inner part of an underground pipeline can be conveniently pressed and attached through the arranged annular sealing pad 4, the underground pipeline can achieve the sealing effect, the first slip joint 3 is provided with a conical clamping block 21 on one side end face far away from the slip supporting block 12, the outer end face of the slip supporting block 12 is provided with a limiting groove II 23, a limiting slip 14 is arranged in the limiting groove II 23, the outer end face of the limiting slip 14 is provided with a plurality of limiting bumps 22, and the outer end face of the limiting slip 14 is matched with the inner end face of the limiting groove II 23.
The working principle of the utility model is as follows:
when the utility model is used, a worker connects one end of the hole rotating device with the upper connector 7, the second connector 8 and the pin hole 10 after transporting the bridge plug assembly to the hole rotating place, then the bridge plug assembly can be placed into an underground drill hole, then the worker operates the drill hole device to pull the second connector 8 after reaching a proper position, the lower connector 1 can bear the first slip connector 3 to apply pressure, then the extrusion cone 9 can extrude the annular sealing gasket 4, then the tile supporting block 12 can be stably attached to the outer end face of the annular sealing gasket 4 and the inner wall of the underground pipeline, the underground pipeline is sealed, and then the hole rotating device can be separated from the bridge plug.
The last points to be described are: in the drawings of the disclosed embodiments, only the structures related to the embodiments of the present disclosure are referred to, and other structures can refer to the common design, so that the same embodiment and different embodiments of the present disclosure can be combined with each other under the condition of no conflict;
finally: the foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the utility model are intended to be included within the scope of the utility model.
Claims (6)
1. A bridge plug assembly, comprising:
the lower joint (1) is arranged in a circular state in the right view direction, a central tube (13) is arranged on one side end face of the lower joint (1), a first slip joint (3) is arranged on one side end face of the central tube (13) close to the lower joint (1), a second joint (8) is arranged on one end of the outer end face of the central tube (13) far away from the lower joint (1), an external thread (18) is arranged on one side of the outer end face of the central tube (13) close to the second joint (8), an upper joint (7) is arranged on the outer end of the central tube (13) close to the external thread (18), an internal thread (16) is arranged on the inner end face of the upper joint (7), a limiting groove I (15) is arranged on one side of the inner end face of the upper joint (7), a second slip joint (6) is arranged on one side of the outer end face of the central tube (13), and an annular clamping piece (17) is arranged on one side end face of the second slip joint (6);
the inside terminal surface of first slips joint (3) and second slips joint (6) is equipped with slips supporting shoe (12), and the outer terminal surface of slips supporting shoe (12) is equipped with spacing groove two (23), and the inside of spacing groove two (23) is equipped with spacing slips (14), and the outer terminal surface of spacing slips (14) is equipped with a plurality of spacing lugs (22), and first slips joint (3) are equipped with toper joint piece (21) in one side terminal surface of keeping away from slips supporting shoe (12).
2. A bridge plug assembly according to claim 1, wherein: the lower joint (1) is provided with a conical clamping ring (19) at the end face of one side close to the central tube (13), and the lower joint (1) is provided with a first connecting joint (2) at the end face of one side far away from the central tube (13);
the outer terminal surface of center tube (13) is equipped with extrusion cone (9) in the one side that is close to first slip joint (3), and one side of extrusion cone (9) outer terminal surface is equipped with spacing cardboard (5), and the outer terminal surface of center tube (13) is equipped with annular extrusion pad (20) in one side terminal surface of extrusion cone (9), and one side terminal surface of annular extrusion pad (20) is equipped with annular sealing pad (4).
3. A bridge plug assembly according to claim 2, wherein: the outer end face of the conical clamping ring (19) is matched with the inner end face of the conical clamping block (21) through clamping, two extruded vertebral bodies (9) are arranged, and the end faces at the two sides of the annular sealing gasket (4) are arranged in a mirror image state;
the number of the limiting clamping plates (5) is multiple, the outer sides of the right viewing direction central points of the extruded vertebral bodies (9) are arranged in an annular array state, the inner end faces of the annular extrusion gaskets (20) are matched with the inner end faces of the annular sealing gaskets (4), and the cross sections of the annular sealing gaskets (4) are arranged in a semicircular state.
4. A bridge plug assembly according to claim 1, wherein: the end face of the second connector (8) is provided with a pin hole (10), the specifications of the first slip joint (3) and the second slip joint (6) are the same, and the outer end face of the central pipe (13) is arranged in a mirror image state;
the external thread (18) is matched with the internal thread (16) through clamping, and the outer end face of the annular clamping piece (17) is matched with the inner end face of the first limit groove (15).
5. A bridge plug assembly according to claim 1, wherein: the number of the slip support blocks (12) and the limit slips (14) is multiple, and the slip support blocks are arranged in an annular array state outside the midpoints of the right view directions of the first slip joint (3) and the second slip joint (6);
the outer end face of the limiting slip (14) is matched with the inner end face of the limiting groove II (23), a ball plug (11) is arranged on the inner side of the second connector (8), and the ball plug is a member made of a dissolvable material.
6. A bridge plug assembly according to claim 1, wherein: gaps reserved among the tile supporting blocks (12) are the same as the thickness of the limiting clamping plate (5), and the inner end surfaces of the second slip joint (6), the extrusion cone (9) and the first slip joint (3) are matched with the outer end surface of the central tube (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320704166.6U CN219691511U (en) | 2023-04-03 | 2023-04-03 | Bridge plug assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320704166.6U CN219691511U (en) | 2023-04-03 | 2023-04-03 | Bridge plug assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219691511U true CN219691511U (en) | 2023-09-15 |
Family
ID=87963549
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320704166.6U Active CN219691511U (en) | 2023-04-03 | 2023-04-03 | Bridge plug assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219691511U (en) |
-
2023
- 2023-04-03 CN CN202320704166.6U patent/CN219691511U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |