CN213419036U - Telescopic rotating device for completion of multilateral well - Google Patents
Telescopic rotating device for completion of multilateral well Download PDFInfo
- Publication number
- CN213419036U CN213419036U CN202022186184.9U CN202022186184U CN213419036U CN 213419036 U CN213419036 U CN 213419036U CN 202022186184 U CN202022186184 U CN 202022186184U CN 213419036 U CN213419036 U CN 213419036U
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- China
- Prior art keywords
- ring
- top connection
- lower clutch
- semi
- annular
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- Expired - Fee Related
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Abstract
The utility model discloses a branching well completion is with scalable rotary device, establish the lower clutch on the top connection including the top connection with inserting, set up the spread groove of mutually supporting with the lower clutch on the top connection, and the one end of lower clutch runs through the top connection and extends to the outside of top connection, and fixed mounting has annular limiting plate on the lateral wall of lower clutch, and annular limiting plate is located the outside of top connection, and the one end dismantlement that the top connection is close to the lower clutch installs the solid fixed ring of mutually supporting with the lower clutch. The utility model discloses in after the annular rubber closing plate appears wearing and tearing remove lower clutch and annular rubber closing plate to one side that is close to solid fixed ring and rotate the lower clutch with the help of solid fixed ring and connect on the last joint, will lead to annular rubber closing plate to paste tightly on the inside wall of spread groove because the internal diameter of spread groove diminishes this moment, need not to change the leakproofness that promotion scalable rotary device and tube coupling that any material just can be convenient, excellent in practical effect.
Description
Technical Field
The utility model relates to a multilateral well completion technical field especially relates to a scalable rotary device is used in multilateral well completion.
Background
The branch well completion technology is that two or more branch well bores (secondary well bores) entering an oil and gas reservoir are drilled at the bottom of a main well bore, even three-stage sub well bores are drilled from the secondary well bores, the main well bore can be a straight well, a directional inclined well or a horizontal well, the branch well bores can be directional inclined wells, horizontal wells or wave type branch well bores, and the multi-branch well bores can be used for extracting a plurality of oil and gas layers in a main well bore to realize one-well multi-target and three-dimensional exploitation.
The existing telescopic rotary device for well completion of the multilateral well can cause the sealing property of pipeline connection to be rapidly reduced after a sealing ring is worn, so that the telescopic rotary device needs to be replaced in time, the operation is troublesome, and the material waste is serious, so that the improvement is needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem that the sealing performance of the pipeline connection suddenly drops after the sealing ring is worn and torn by the telescopic rotating device for the completion of the multilateral well in the prior art, and providing the telescopic rotating device for the completion of the multilateral well.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a telescopic rotating device for well completion of a multilateral well comprises an upper joint and a lower joint inserted on the upper joint, wherein a connecting groove matched with the lower joint is formed in the upper joint, one end of the lower joint penetrates through the upper joint and extends to the outer side of the upper joint, an annular limiting plate is fixedly installed on the outer side wall of the lower joint and is positioned on the outer side of the upper joint, a fixing ring matched with the lower joint is detachably installed at one end, close to the lower joint, of the upper joint, the fixing ring comprises a first half ring and a second half ring which are matched with each other, the first half ring and the second half ring are tightly sleeved on the lower joint together, a plurality of annular limiting grooves matched with the annular limiting plate are formed in the first half ring and the second half ring together, and a first sealing gasket matched with the annular limiting plate is fixedly installed on the inner side wall of each annular limiting groove, be equipped with fixing device between first semi-ring and the second semi-ring, fixed mounting has annular mounting panel on the lateral wall of lower clutch one end, and annular mounting panel is located the top connection, fixed mounting has annular rubber closing plate on the lateral wall of annular mounting panel, and annular rubber closing plate pastes tightly on the inside wall of spread groove, the spread groove is close to the slope of the inside wall of solid fixed ring one end and sets up, and the spread groove is close to the internal diameter of solid fixed ring one end and reduces gradually.
Preferably, a plurality of connecting blocks are fixedly mounted on the first half ring and the second half ring, the connecting blocks are tightly attached to the upper connector, a fastening bolt is inserted into each connecting block, and each fastening bolt penetrates through the connecting blocks and is in threaded connection with the upper connector.
Preferably, the fixing device comprises a plurality of connecting plates which are uniformly and fixedly installed on the first half ring and the second half ring, the adjacent connecting plates are in close contact with each other, two adjacent connecting plates are inserted with connecting screw rods together, and each connecting screw rod is in threaded connection with a connecting nut.
Preferably, a second sealing gasket is fixedly mounted on the inner side walls of the first half ring and the second half ring together, and the second sealing gasket is attached to the lower joint in a clinging manner.
Preferably, two convex plates are symmetrically and fixedly mounted on the first half ring, the two convex plates are inserted into the second half ring, and two grooves matched with the convex plates are symmetrically formed in the second half ring.
Compared with the prior art, the utility model discloses there is following beneficial effect:
1. when the annular rubber sealing plate is worn, the lower joint and the annular rubber sealing plate move to one side close to the fixing ring and are rotatably connected to the upper joint by virtue of the fixing ring, at the moment, the annular rubber sealing plate is tightly attached to the inner side wall of the connecting groove due to the fact that the inner diameter of the connecting groove is reduced, the sealing performance of the telescopic rotating device and the pipeline connection can be conveniently improved without replacing any material, and the practical effect is good;
2. simple structure, can be convenient rotate the lower clutch be connected to the top connection on or pull down from the top connection, convenient operation, swift, excellent in use effect.
Drawings
Fig. 1 is a front structural sectional view of a retractable swivel device for completion of a multilateral well according to the present invention;
fig. 2 is a schematic front structural view of a retractable rotary device for completion of a multilateral well according to the present invention;
fig. 3 is a schematic side structural view of the retractable rotary device for completion of a multilateral well according to the present invention.
In the figure: 1 top connection, 2 lower clutch, 3 spread groove, 4 annular limiting plates, 5 first semi-rings, 6 second semi-rings, 7 annular limiting grooves, 8 first seal ring, 9 connecting block, 10 fastening bolt, 11 connecting plates, 12 connecting screw, 13 connecting nut, 14 second seal ring, 15 flange, 16 annular mounting panel, 17 annular rubber seal board.
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.
Referring to fig. 1-3, a retractable rotary device for well completion of a multilateral well comprises an upper joint 1 and a lower joint 2 inserted on the upper joint 1, wherein the upper joint 1 is provided with a connecting groove 3 matched with the lower joint 2, one end of the lower joint 2 penetrates through the upper joint 1 and extends to the outer side of the upper joint 1, the outer side wall of the lower joint 2 is fixedly provided with a ring-shaped limiting plate 4, the ring-shaped limiting plate 4 is positioned on the outer side of the upper joint 1, one end of the upper joint 1 close to the lower joint 2 is detachably provided with a fixing ring matched with the lower joint 2, the fixing ring comprises a first half ring 5 and a second half ring 6 matched with each other, the first half ring 5 and the second half ring 6 are tightly sleeved on the lower joint 2, the first half ring 5 and the second half ring 6 are provided with a plurality of ring-shaped limiting grooves 7 matched with the ring-shaped limiting plate 4, the inner side wall of each ring-shaped limiting groove 7 is fixedly provided with a first, the fixing ring is fixedly arranged at one end of the upper joint 1, the annular limiting plate 4 is inserted into the annular limiting groove 7, and the lower joint 2 can be conveniently and rotatably connected to the fixing ring and the upper joint 1.
All fixed mounting has a plurality of connecting blocks 9 on first semi-ring 5 and the second semi-ring 6, and connecting block 9 all pastes tightly on the top connection 1, all inserts on every connecting block 9 and is equipped with fastening bolt 10, and fastening bolt 10 all runs through connecting block 9 and threaded connection on top connection 1, can be convenient with the fixed ring fixed mounting to top connection 1 on or follow top connection 1 and pull down.
Be equipped with fixing device between first semi-ring 5 and the second semi-ring 6, fixing device includes a plurality of connecting plates 11 of even fixed mounting on first semi-ring 5 and second semi-ring 6, and the equal in close contact with of adjacent connecting plate 11, all inserts jointly on two adjacent connecting plates 11 and is equipped with connecting screw 12, and equal threaded connection has coupling nut 13 on every connecting screw 12, can be convenient with first semi-ring 5 and second semi-ring 6 fixed connection together.
The inner side walls of the first half ring 5 and the second half ring 6 are fixedly provided with a second sealing washer 14 together, and the second sealing washer 14 is attached to the lower joint 2, so that the sealing performance of the connection between the fixing ring and the lower joint 2 is improved.
Two convex plates 15 are symmetrically and fixedly mounted on the first half ring 5, the two convex plates 15 are connected and inserted on the second half ring 6, two grooves matched with the convex plates 15 are symmetrically formed in the second half ring 6, and the connection strength of the first half ring 5 and the second half ring 6 is improved.
An annular mounting plate 16 is fixedly mounted on the outer side wall of one end of the lower joint 2, the annular mounting plate 16 is positioned in the upper joint 1, an annular rubber sealing plate 17 is fixedly mounted on the outer side wall of the annular mounting plate 16, the annular rubber sealing plate 17 is tightly attached to the inner side wall of the connecting groove 3, the inner side wall of one end, close to the fixing ring, of the connecting groove 3 is obliquely arranged, the inner diameter of one end, close to the fixing ring, of the connecting groove 3 is gradually reduced, when the annular rubber sealing plate 17 is worn, the fixing ring is firstly detached from the outer side of the lower joint 2, then the lower joint 2 and the annular rubber sealing plate 17 are moved to one side close to the fixing ring, at the moment, the annular rubber sealing plate 17 is tightly attached to the inner side wall of the connecting groove 3 due to the reduction of the inner diameter of the connecting groove 3, the annular rubber sealing, the sealing performance of the telescopic rotating device and the pipeline connection can be conveniently improved without replacing any material, and the practical effect is good.
The utility model discloses in, after wearing and tearing appear in annular rubber closing plate 17, pull down solid fixed ring from the outside of lower clutch 2 earlier, then remove lower clutch 2 and annular rubber closing plate 17 to one side that is close to solid fixed ring, lead to annular rubber closing plate 17 to paste tightly on the inside wall of spread groove 3 this moment because the internal diameter of spread groove 3 diminishes, paste annular rubber closing plate 17 tightly on the inside wall of spread groove 3 after with the help of solid fixed ring with lower clutch 2 rotation connection on top connection 1 again, need not to change the leakproofness that promotion scalable rotary device and tube coupling that any material just can be convenient.
Further, unless otherwise specifically stated or limited, the above-described fixed connection is to be understood in a broad sense, and may be, for example, welded, glued, or integrally formed as is conventional in the art.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (5)
1. The utility model provides a branching well is scalable rotary device for completion, includes top connection (1) and inserts lower clutch (2) established on top connection (1), its characterized in that: offer on top connection (1) spread groove (3) of mutually supporting with lower clutch (2), and the one end of lower clutch (2) runs through top connection (1) and extends to the outside of top connection (1), fixed mounting has annular limiting plate (4) on the lateral wall of lower clutch (2), and annular limiting plate (4) are located the outside of top connection (1), the one end dismantlement that top connection (1) is close to lower clutch (2) is installed and is had the solid fixed ring of mutually supporting with lower clutch (2), gu fixed ring is including first semi-ring (5) and the second semi-ring (6) of mutually supporting, and first semi-ring (5) and second semi-ring (6) tighten up on lower clutch (2) jointly, set up a plurality of annular spacing grooves (7) of mutually supporting with annular limiting plate (4) jointly on first semi-ring (5) and second semi-ring (6), every equal fixed mounting has on the inside wall of annular spacing groove (7) and is mutually supporting with annular limiting plate (4) First seal ring (8) of mutually supporting, be equipped with fixing device between first semi-ring (5) and second semi-ring (6), fixed mounting has annular mounting panel (16) on the lateral wall of lower clutch (2) one end, and annular mounting panel (16) are located top connection (1), fixed mounting has annular rubber closing plate (17) on the lateral wall of annular mounting panel (16), and annular rubber closing plate (17) paste tightly on the inside wall of spread groove (3), spread groove (3) are close to the slope of the inside wall of solid fixed ring one end and set up, and spread groove (3) are close to the internal diameter of solid fixed ring one end and reduce gradually.
2. The retractable and rotatable device for multilateral well completion according to claim 1, wherein: all fixed mounting has a plurality of connecting blocks (9) on first semi-ring (5) and second semi-ring (6), and connecting block (9) all paste tightly on upper joint (1), every all insert on connecting block (9) and be equipped with fastening bolt (10), and fastening bolt (10) all run through connecting block (9) and threaded connection on upper joint (1).
3. The retractable and rotatable device for multilateral well completion according to claim 1, wherein: the fixing device comprises a plurality of connecting plates (11) which are uniformly and fixedly installed on the first half ring (5) and the second half ring (6), the adjacent connecting plates (11) are in close contact with each other, two adjacent connecting plates (11) are provided with connecting screw rods (12) in an inserted mode, and each connecting screw rod (12) is provided with a connecting nut (13) in a threaded connection mode.
4. The retractable and rotatable device for multilateral well completion according to claim 1, wherein: and a second sealing washer (14) is fixedly mounted on the inner side walls of the first half ring (5) and the second half ring (6) together, and the second sealing washer (14) is attached to the lower joint (2) tightly.
5. The retractable and rotatable device for multilateral well completion according to claim 1, wherein: two convex plates (15) are symmetrically and fixedly mounted on the first half ring (5), the two convex plates (15) are connected and inserted on the second half ring (6), and two grooves matched with the convex plates (15) are symmetrically formed in the second half ring (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022186184.9U CN213419036U (en) | 2020-09-29 | 2020-09-29 | Telescopic rotating device for completion of multilateral well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022186184.9U CN213419036U (en) | 2020-09-29 | 2020-09-29 | Telescopic rotating device for completion of multilateral well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213419036U true CN213419036U (en) | 2021-06-11 |
Family
ID=76265322
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022186184.9U Expired - Fee Related CN213419036U (en) | 2020-09-29 | 2020-09-29 | Telescopic rotating device for completion of multilateral well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213419036U (en) |
-
2020
- 2020-09-29 CN CN202022186184.9U patent/CN213419036U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210719 Address after: 200135 1707a, No. 1403, Minsheng Road, Pudong New Area, Shanghai Patentee after: Shanghai Moens Oilfield Technology Service Co.,Ltd. Address before: 28-3-601, Longsheng garden, Binhai New Area, Tianjin Patentee before: Tianjin Qinxin Petroleum Engineering Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210611 Termination date: 20210929 |