CN212480412U - Sealed hollow sleeve for petroleum well completion - Google Patents
Sealed hollow sleeve for petroleum well completion Download PDFInfo
- Publication number
- CN212480412U CN212480412U CN202021143449.0U CN202021143449U CN212480412U CN 212480412 U CN212480412 U CN 212480412U CN 202021143449 U CN202021143449 U CN 202021143449U CN 212480412 U CN212480412 U CN 212480412U
- Authority
- CN
- China
- Prior art keywords
- barrel
- wall
- sealed
- petroleum pipeline
- flange joint
- 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
- 239000003208 petroleum Substances 0.000 title abstract description 29
- 239000003129 oil well Substances 0.000 claims abstract description 8
- 238000012856 packing Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 11
- 238000007789 sealing Methods 0.000 abstract description 11
- 238000010030 laminating Methods 0.000 abstract description 3
- 230000007246 mechanism Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 2
- 238000003466 welding Methods 0.000 description 3
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
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- Joints Allowing Movement (AREA)
Abstract
The utility model belongs to the technical field of oil well completion instrument technique and specifically relates to an oil well completion is with sealed empty sleeve, connect at the flange of barrel left end including barrel and setting. The utility model discloses in, through set up external screw thread on barrel right-hand member outer wall, set up the flange joint at the barrel left end, it sets up the internal thread in the flange joint, can connect the barrel on petroleum pipeline, and during, set up the rubber seal ring in the sealed recess that external screw thread right side set up on the barrel right-hand member outer wall, when the barrel right-hand member is connected with petroleum pipeline, rubber seal ring laminating petroleum pipeline inner wall, play sealed effect, the flange connects and has set up pressure seal ring in the internal thread right-hand member, behind petroleum pipeline screw in, petroleum pipeline's left end extrudees pressure seal ring, play sealed effect, this sealed empty sleeve, petroleum pipeline department has all set up sealing mechanism to be connected at both ends, strengthen telescopic sealed effect, suitable using widely.
Description
Technical Field
The utility model relates to an oil well completion instrument technical field specifically is a sealed empty sleeve for oil well completion.
Background
The butt joint problem between the oil transportation pipe has always been an important problem, and traditional oil transportation union coupling mode has modes such as overlap joint, welding, no matter can not satisfy the needs of oil transportation from quality or efficiency. Both the overlapping and the welding are not suitable for large-scale petroleum transportation pipe connection occasions, for example, the petroleum transportation pipe is unstable in material and difficult to ensure the quality of a welding part, so that the sealing hollow sleeve for petroleum well completion is provided for solving the problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a sealed hollow sleeve for petroleum well completion, which is characterized in that the outer wall of the right end of the cylinder body is provided with external threads, the left end of the cylinder body is provided with a flange joint, the flange joint is internally provided with internal threads, the cylinder body can be connected on a petroleum pipeline, during the process, the outer wall of the right end of the cylinder body is provided with a rubber sealing ring in a sealing groove arranged at the right side of the external threads, when the right end of the cylinder body is connected with the petroleum pipeline, the rubber sealing ring is attached to the inner wall of the petroleum pipeline to achieve the sealing effect, the pressure sealing ring is arranged at the right end of the internal thread in the flange joint, after the petroleum pipeline is screwed in, the left end of the petroleum pipeline extrudes the pressure seal ring to achieve the sealing effect, this sealed empty sleeve, petroleum pipeline department is connected at both ends has all set up sealing mechanism, strengthens telescopic sealed effect to solve the problem of proposing among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides an oil well completion is with sealed empty sleeve, includes barrel and the flange joint of setting at the barrel left end, be provided with sealed recess on the barrel right-hand member outer wall, be provided with external screw thread on the left outer wall of sealed recess on the barrel, sealed recess internal fixation is provided with annular rubber seal ring, be provided with the internal thread on the flange joint left end inner wall, be provided with the filling groove on the flange joint inner wall of internal thread right-hand member, the filling inslot internal fixation is provided with annular pressure seal circle.
Preferably, the cylinder is connected with the flange joint in a seamless mode.
Preferably, the diameter of the inner wall of the flange joint is the same as that of the outer wall of the cylinder.
Preferably, the flank angles of the non-working surfaces of the internal thread and the external thread are 60 degrees, and the flank angles of the working surfaces are 90 degrees.
Compared with the prior art, the beneficial effects of the utility model are that: through set up external thread on barrel right-hand member outer wall, set up flange joint at the barrel left end, it sets up the internal thread in flange joint, can connect the barrel on petroleum pipeline, in the meantime, set up the rubber seal ring in the sealed recess that external thread right side set up on the barrel right-hand member outer wall, when barrel right-hand member is connected with petroleum pipeline, the rubber seal ring laminating petroleum pipeline inner wall, play sealed effect, flange joint has set up pressure seal ring in the internal thread right-hand member, after petroleum pipeline screw in, petroleum pipeline's left end pushes pressure seal ring, play sealed effect.
Drawings
Fig. 1 is the overall structure schematic diagram of the utility model relates to a sealed empty sleeve for oil well completion.
In the figure: 1. a barrel; 2. a flange joint; 3. externally connecting a thread; 4. sealing the groove; 5. internally connecting a thread; 6. and (5) a pressure seal ring.
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.
Referring to fig. 1, the present invention provides a technical solution:
the utility model provides an oil well completion is with sealed empty sleeve, connect 2 including barrel 1 and the flange that sets up at 1 left end of barrel, be provided with sealed recess 4 on the 1 right-hand member outer wall of barrel, be provided with external screw thread 3 on the barrel 1 on the left outer wall of sealed recess 4, sealed recess 4 internal fixation is provided with annular rubber seal ring, be provided with internal thread 5 on the flange connects 2 left end inner walls, be provided with the packing groove on the flange joint 2 inner walls of internal thread 5 right-hand members, the packing inslot internal fixation is provided with annular pressure seal circle 6.
Wherein, barrel 1 and flange joint 2 seamless connection.
Wherein, the diameter of the inner wall of the flange joint 2 is the same as that of the outer wall of the cylinder 1.
Wherein, the flank angles of the non-working surfaces of the internal thread 5 and the external thread 3 are 60 degrees, and the flank angles of the working surfaces are 90 degrees.
The working principle is as follows: through set up external thread on barrel right-hand member outer wall, set up flange joint at the barrel left end, it sets up the internal thread in flange joint, can connect the barrel on petroleum pipeline, in the meantime, set up the rubber seal ring in the sealed recess that external thread right side set up on the barrel right-hand member outer wall, when the barrel right-hand member is connected with petroleum pipeline, the rubber seal ring laminating petroleum pipeline inner wall, play sealed effect, flange joint has set up the pressure seal circle in the internal thread right-hand member, after petroleum pipeline screw in, petroleum pipeline's left end pushes pressure seal circle, play sealed effect, this sealed empty sleeve, petroleum pipeline department has all set up sealing mechanism both ends are connected, strengthen telescopic sealed effect, and the suitable popularization and use.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides an oil well completion is with sealed empty sleeve, includes barrel (1) and sets up flange joint (2) at barrel (1) left end which characterized in that: be provided with sealed recess (4) on barrel (1) right-hand member outer wall, be provided with external screw thread (3) on sealed recess (4) left outer wall on barrel (1), sealed recess (4) internal fixation is provided with annular rubber seal ring, be provided with inscription screw thread (5) on flange joint (2) left end inner wall, be provided with the packing groove on flange joint (2) inner wall of inscription screw thread (5) right-hand member, the packing inslot internal fixation is provided with annular pressure seal circle (6).
2. A sealed empty sleeve for oil completion according to claim 1, characterized in that: the cylinder body (1) is connected with the flange joint (2) in a seamless mode.
3. A sealed empty sleeve for oil completion according to claim 1, characterized in that: the diameter of the inner wall of the flange joint (2) is the same as that of the outer wall of the cylinder body (1).
4. A sealed empty sleeve for oil completion according to claim 1, characterized in that: the flank angles of the non-working surfaces of the internal thread (5) and the external thread (3) are 60 degrees, and the flank angles of the working surfaces are 90 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021143449.0U CN212480412U (en) | 2020-06-19 | 2020-06-19 | Sealed hollow sleeve for petroleum well completion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021143449.0U CN212480412U (en) | 2020-06-19 | 2020-06-19 | Sealed hollow sleeve for petroleum well completion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212480412U true CN212480412U (en) | 2021-02-05 |
Family
ID=74412998
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021143449.0U Expired - Fee Related CN212480412U (en) | 2020-06-19 | 2020-06-19 | Sealed hollow sleeve for petroleum well completion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212480412U (en) |
-
2020
- 2020-06-19 CN CN202021143449.0U patent/CN212480412U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| 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: 20210205 |