CN210317192U - High-torsion-resistance coupling capable of realizing petroleum casing connection - Google Patents
High-torsion-resistance coupling capable of realizing petroleum casing connection Download PDFInfo
- Publication number
- CN210317192U CN210317192U CN201920895717.5U CN201920895717U CN210317192U CN 210317192 U CN210317192 U CN 210317192U CN 201920895717 U CN201920895717 U CN 201920895717U CN 210317192 U CN210317192 U CN 210317192U
- Authority
- CN
- China
- Prior art keywords
- coupling
- threaded rod
- screw
- coupling main
- casing pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Earth Drilling (AREA)
Abstract
The utility model relates to the technical field of petroleum casing pipes, in particular to a high anti-torsion coupling capable of realizing petroleum casing pipe connection, which comprises a coupling main body and a casing pipe, wherein the casing pipe is sleeved at two ends of the coupling main body, a flange plate is welded on the end surface of one end of the casing pipe close to the middle part of the coupling main body, a first screw hole is vertically installed at the top end of the flange plate, a threaded rod is horizontally screwed between the first screw holes, two ends of the threaded rod extend out of the first screw hole and are in threaded connection with a first nut, the upper side wall and the lower side wall of one end of the casing pipe far away from the coupling main body are vertically provided with; the utility model discloses when with oil bushing, combine closely on the terminal surface, can not take place to leak, the threaded rod is made by high strength stainless steel, has stronger resistance to deformation and corrosion-resistant ability, increase of service life greatly practices thrift the cost.
Description
Technical Field
The utility model relates to an oil casing technical field especially relates to a can realize anti-torque coupling of high of oil bushing.
Background
The petroleum casing pipe is an important tool in petroleum and natural gas exploration and development, the petroleum casing pipe is often connected by using a coupling, but most of the casing pipe couplings are complex in structure, unstable in connection and easy to damage, so that the production efficiency of the whole well is possibly reduced, and even the whole well is scrapped. The unconventional gas fields such as compact gas, sandstone gas, shale gas and the like are developed by adopting horizontal well multi-section volume fracturing, the air pressure of a reservoir is lower than 60MPa, and the existing petroleum casing coupling has poor deformation resistance and poor water tightness of high-internal-pressure fracturing and cannot meet the sealing requirement of production gas.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the shortcoming that the anti deformability of the casing coupling is poor among the prior art, and the anti-torsion coupling of height that can realize oil bushing is proposed.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the design one kind can realize the antitorque coupling of high of oil bushing, including coupling main part and sleeve pipe, the sleeve pipe cover is established at coupling main part both ends, the sleeve pipe has the ring flange near the welding on the one end terminal surface at coupling main part middle part, the vertical first screw of installing in ring flange top, horizontal spiro union has the threaded rod between the first screw, first screw and threaded connection have first nut are extended to the threaded rod both ends, the sleeve pipe has been kept away from and has been seted up the second screw on the wall of both sides about the one end of coupling main part perpendicularly, the spiro union has the bolt in the second screw.
Preferably, the threaded rod is an M straight threaded rod, and the length of the threaded rod is greater than that of the coupling body.
Preferably, the inner side wall of the flange plate is lined with a sealing gasket, and the inner diameter length of the flange plate is smaller than the maximum outer diameter length of the end face of the coupling main body.
Preferably, the top end of the bolt is vertically welded with a limiting block.
The utility model provides a can realize anti-torque coupling of high of oil bushing, beneficial effect lies in: this can realize anti-torque coupling of oil bushing's high pass through when ring flange and oil bushing, combine closely on the terminal surface, can not take place to leak, during the threaded rod rotating, can remove the sleeve pipe at both ends to coupling main part middle part to drag the oil sleeve pipe at coupling main part both ends to the middle part, improve the gas tightness, the threaded rod is M straight threaded rod, M straight threaded rod is made by high strength stainless steel, has stronger resistance to deformation and corrosion-resistant ability, increase of service life greatly, saving cost.
Drawings
Fig. 1 is the utility model provides a can realize the high antitorque coupling's of oil casing coupling front view.
Fig. 2 is a side view of the high anti-torque coupling that can realize the oil casing connection of the utility model.
In the figure: coupling main part 1, sleeve pipe 2, ring flange 3, first screw 4, threaded rod 5, first nut 6, second screw 7, bolt 8, stopper 9.
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. 1-2, a high anti-torque coupling capable of realizing petroleum casing connection comprises a coupling main body 1 and a casing 2, wherein the casing 2 is sleeved at two ends of the coupling main body 1, a flange 3 is welded on the end surface of one end of the casing 2 close to the middle part of the coupling main body 1, when the flange 3 is connected with a petroleum casing, the end faces are tightly combined without leakage, the inner side wall of the flange plate 3 is lined with a sealing gasket which further improves the sealing property and prevents oil leakage, and the length of the inner diameter of the flange 3 is smaller than the length of the maximum outer diameter of the end surface of the coupling main body 1, the top end of the flange 3 is vertically provided with a first screw hole 4, a threaded rod 5 is horizontally screwed between the first screw holes 4, when the threaded rod 5 rotates, can move the sleeve pipe 2 at both ends to 1 middle part of coupling main part to drag the oil casing pipe at 1 both ends of coupling main part to the middle part, improve the gas tightness.
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 (4)
1. A high anti-torque coupling capable of realizing petroleum casing connection comprises a coupling body (1) and a casing (2), and is characterized in that: the utility model discloses a coupling, including coupling main part (1), sleeve pipe (2), horizontal spiro union have threaded rod (5) between first screw (4), threaded rod (5) both ends are extended first screw (4) and threaded connection have first nut (6), sleeve pipe (2) cover is established at coupling main part (1) both ends, the welding has ring flange (3) on sleeve pipe (2) is close to the one end terminal surface at coupling main part (1) middle part, the vertical first screw (4) of installing in ring flange (3) top, second screw (7) have been seted up perpendicularly on the wall of both sides about the one end of coupling main part (1) is kept away from in sleeve pipe (2), spiro union has bolt (8) in second screw (7).
2. A high torque-resistant coupling for oil casing connections according to claim 1, characterized in that the threaded rod (5) is a M4 straight threaded rod, and the length of the threaded rod (5) is greater than the length of the coupling body (1).
3. The high-torque-resistance coupling capable of realizing the connection of the oil casings is characterized in that the inner side wall of the flange plate (3) is lined with a sealing gasket, and the inner diameter length of the flange plate (3) is smaller than the maximum outer diameter length of the end face of the coupling body (1).
4. The high-torque-resistance coupling capable of realizing oil casing connection according to claim 1, characterized in that a limiting block (9) is vertically welded on the top end of the bolt (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920895717.5U CN210317192U (en) | 2019-06-14 | 2019-06-14 | High-torsion-resistance coupling capable of realizing petroleum casing connection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920895717.5U CN210317192U (en) | 2019-06-14 | 2019-06-14 | High-torsion-resistance coupling capable of realizing petroleum casing connection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210317192U true CN210317192U (en) | 2020-04-14 |
Family
ID=70143781
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920895717.5U Expired - Fee Related CN210317192U (en) | 2019-06-14 | 2019-06-14 | High-torsion-resistance coupling capable of realizing petroleum casing connection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210317192U (en) |
-
2019
- 2019-06-14 CN CN201920895717.5U patent/CN210317192U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN219388084U (en) | Fracturing pump hydraulic end device for conveying liquid carbon dioxide | |
| CN201250626Y (en) | Wellhead suspension device adopting coiled tubing as production string | |
| CN108152142A (en) | A kind of deep submersible electric pump motor water pressure test tank | |
| CN204476357U (en) | Anti-erosion device for fracturing wellhead | |
| CN210317192U (en) | High-torsion-resistance coupling capable of realizing petroleum casing connection | |
| CN201486503U (en) | Integrated type horizontal oil extraction wellhead device | |
| CN207795126U (en) | A kind of oil-pumping well head equipment | |
| CN204691696U (en) | A kind of high-temperature metal sealing petroleum tube connector | |
| CN210106542U (en) | High-sealing underwater operation speed reducer | |
| CN210768705U (en) | Blowout prevention wellhead Christmas tree device | |
| CN204185898U (en) | A kind of back water well intake equipment for Tailings Dam | |
| CN208934643U (en) | A kind of PR2 grade tubing head of special construction | |
| CN208330866U (en) | Immersible pump filter protection bracket | |
| CN211474075U (en) | High-pressure safety valve for oil exploitation | |
| CN206875129U (en) | A kind of gas check water seal that can prevent failure | |
| CN206291716U (en) | A kind of open U-shaped muffle tube | |
| CN205349278U (en) | Novel well head is wear -resisting to be sealed device | |
| CN205479904U (en) | Auto -lock hydrostatic test's heavy -calibre elbow pipe fitting can carry out | |
| CN211081786U (en) | Tube-sealing device for oil and gas development | |
| CN210484691U (en) | Stop check valve | |
| CN216240530U (en) | Well repair is with preventing high-pressure tubular column drunkenness well head control tool | |
| CN213271399U (en) | Waterproof sleeve assembly | |
| CN202990934U (en) | Well mouth telescopic compensator for oil well | |
| CN219101280U (en) | Sand setting device for backwashing well | |
| CN214697769U (en) | Same-well same-layer mining and irrigating well body structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200414 Termination date: 20210614 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |