CN214997495U - Quick well head flushing device - Google Patents
Quick well head flushing device Download PDFInfo
- Publication number
- CN214997495U CN214997495U CN202121564356.XU CN202121564356U CN214997495U CN 214997495 U CN214997495 U CN 214997495U CN 202121564356 U CN202121564356 U CN 202121564356U CN 214997495 U CN214997495 U CN 214997495U
- Authority
- CN
- China
- Prior art keywords
- elbow
- inner tube
- groove
- wellhead
- coupling
- 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
- 238000011010 flushing procedure Methods 0.000 title claims abstract description 11
- 230000008878 coupling Effects 0.000 claims abstract description 39
- 238000010168 coupling process Methods 0.000 claims abstract description 39
- 238000005859 coupling reaction Methods 0.000 claims abstract description 39
- 238000007789 sealing Methods 0.000 claims abstract description 24
- 230000007246 mechanism Effects 0.000 claims abstract description 10
- 230000007797 corrosion Effects 0.000 claims description 4
- 238000005260 corrosion Methods 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 229920000459 Nitrile rubber Polymers 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- XFXPMWWXUTWYJX-UHFFFAOYSA-N Cyanide Chemical compound N#[C-] XFXPMWWXUTWYJX-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- NTXGQCSETZTARF-UHFFFAOYSA-N buta-1,3-diene;prop-2-enenitrile Chemical compound C=CC=C.C=CC#N NTXGQCSETZTARF-UHFFFAOYSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Landscapes
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The utility model discloses a fast well mouth pipe flushing device, which comprises an elbow I and an elbow II, wherein one end of the elbow I is connected to a well mouth pipeline, and the other end of the elbow I is communicated with the elbow II through a vertical check valve; one end of the elbow II, which is far away from the elbow I, is communicated with an oil pipe coupling through a connecting mechanism, and the other end of the oil pipe coupling is connected with the output end of the pump truck; the connecting mechanism comprises an inner tube, a sealing sliding ring, a spring, a U-shaped through groove and a positioning pin, the inner tube is fixedly connected to the side wall of the inner ring of the tubing coupling, a cylindrical groove is formed between the inner tube and the tubing coupling, the sealing sliding ring slides in the cylindrical groove, the spring is fixedly connected to one side of the sealing sliding ring, and the other end of the spring is fixed to the inner tube. The utility model discloses can directly handle the well head pipeline, need not fall the unloading, and need not cut anti-theft box and plug, ensure the security of work, can not sting the mat to reach the purpose of saving labor hour, improvement production efficiency.
Description
Technical Field
The utility model relates to a petroleum machinery technical field especially relates to quick washing pipe device of well head.
Background
In the oil exploitation work, the problems that the pipelines need to be flushed by a pump truck due to high return pressure of the pipelines are often encountered, and the pipelines are damaged seriously by lawless persons, so that the oil theft and the damage are prevented, the well mouths are always welded completely or anti-theft boxes (tanks) are arranged on the well mouths, and much inconvenience is brought to the daily work.
In the pipe flushing process, when a pump truck is used for pressurizing, the pressure is high, the back pressure gate cushion can be usually punctured, the cushion is frequently replaced, the workload is increased, the production efficiency is reduced, the well opening time is delayed, the pipe flushing and the construction are frequent in winter, a well mouth is closed or completely welded, an anti-theft box (tank) and a plug are cut by gas welding before the pipe flushing or the construction, the accident potential exists, and the safety is low. Therefore, the utility model discloses not only convenient but also practical quick washing pipe flow has been designed according to current problem.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the prior art problem and providing a quick well head pipe flushing device which is convenient and practical.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a wellhead quick flushing device comprises an elbow I and an elbow II,
one end of the elbow I is connected to a wellhead pipeline, and the other end of the elbow I is communicated with the elbow II through a vertical check valve;
one end of the elbow II, which is far away from the elbow I, is communicated with an oil pipe coupling through a connecting mechanism, and the other end of the oil pipe coupling is connected with the output end of the pump truck;
the connecting mechanism comprises an inner tube, a sealing sliding ring, a spring, a U-shaped through groove and a positioning pin, the inner tube is fixedly connected to the side wall of the inner ring of the tubing coupling, a cylindrical groove is formed between the inner tube and the tubing coupling, the sealing sliding ring slides in the cylindrical groove, the spring is fixedly connected to one side of the sealing sliding ring, the other end of the spring is fixed to the inner tube, the U-shaped through groove is formed in the side wall of the tubing coupling, one end of the U-shaped through groove extends to the pipe orifice of the tubing coupling, and the positioning pin matched with the U-shaped through groove is arranged on the side wall of the elbow II.
Preferably, the locating pin is cylindrically disposed.
Preferably, the sealing sliding ring is made of a butadiene cyanide rubber material and slides in a sealing manner with the outer ring side wall of the inner tube.
Preferably, two flow baffle plates are fixed on the side wall of the inner ring of the elbow II, and the two flow baffle plates are arranged oppositely and in parallel.
Preferably, the elbow I and the elbow II are both right-angle elbows.
Preferably, the inner wall of the vertical check valve is coated with a wear-resistant and corrosion-resistant coating.
Compared with the prior art, the utility model discloses possess following advantage:
1. the utility model discloses a set up elbow I, elbow II, vertical single current valve and oil pipe coupling, can directly handle the well head pipeline, need not fall the unloading, and need not cut burglary-resisting case (jar) and plug, ensured the security of work, can not sting the mat to reach the purpose of saving labor man-hour, improving production efficiency.
2. The utility model discloses a set up coupling mechanism, the equipment and the dismantlement operation between elbow II and the oil pipe coupling of being convenient for, the adaptation of elbow II and pump truck output of being convenient for and being connected, convenient operation, the leakproofness is good, and the practicality is strong.
Drawings
Fig. 1 is a schematic structural view of a wellhead quick pipe flushing device provided by the utility model;
fig. 2 is the utility model provides a well head is quick towards pipe device's coupling mechanism's internal structure schematic diagram.
In the figure: 1 elbow I, 2 elbows II, 3 tubing coupling, 4 inner tubes, 5 sealing slip rings, 6 springs, 7U-shaped through grooves, 8 positioning pins, 9 baffle plates and 10 vertical check valves.
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.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1-2, the quick well head pipe flushing device comprises an elbow I1 and an elbow II 2, wherein the elbow I1 and the elbow II 2 are right-angle bends, and the elbow I1 and the elbow II 2 are made of alloy steel and have good pressure resistance.
Furthermore, one end of the elbow I1 is connected to a wellhead pipeline, the other end of the elbow I1 is communicated with the elbow II 2 through the vertical check valve 10, the vertical check valve 10 only allows one-way flow from the elbow II 2 to the direction of the elbow I1, and it needs to be noted that the inner wall of the vertical check valve 10 is coated with a wear-resistant and corrosion-resistant coating, so that the wear resistance and the corrosion resistance of the vertical check valve 10 are improved.
Further, the one end that elbow II 2 kept away from elbow I1 has tubing coupling 3 through coupling mechanism intercommunication, and tubing coupling 3's the other end is connected with the output of pump truck, can directly handle the well head pipeline, need not empty one's air and empty, and need not cut theftproof case (jar) and plug, has ensured the security of work, can not sting the mat to reach the purpose of saving labor man-hour, improving production efficiency.
Specifically, the connecting mechanism comprises an inner tube 4, a sealing slip ring 5, a spring 6, a U-shaped through groove 7 and a positioning pin 8, the inner tube 4 is fixedly connected to the side wall of an inner ring of the tubing coupling 3, a cylindrical groove is formed between the inner tube 4 and the tubing coupling 3, the sealing slip ring 5 slides in the cylindrical groove, it is noted that the sealing slip ring 5 is made of a butadiene-acrylonitrile rubber material, the sealing slip ring 5 slides in a sealing manner with the side wall of an outer ring of the inner tube 4, the sealing performance between the elbow II 2 and the tubing coupling 3 is improved, the spring 6 is fixedly connected to one side of the sealing slip ring 5, the other end of the spring 6 is fixed to the inner tube 4, the U-shaped through groove 7 is arranged on the side wall of the tubing coupling 3, one end of the U-shaped through groove 7 extends to the pipe opening of the tubing coupling 3, the positioning pin 8 matched with the U-shaped through groove 7 is arranged on the side wall of the elbow II 2, it is worth mentioning that the positioning pin 8 is cylindrical, be convenient for slide in U-shaped logical groove 7, the equipment and the dismantlement operation between elbow II 2 and the tubing coupling 3 of being convenient for, the adaptation and the connection of elbow II 2 and pump truck output of being convenient for, convenient operation, the practicality is strong.
It should be noted that two flow baffle plates 9 are fixed on the inner ring side wall of the elbow ii 2, and the two flow baffle plates 9 are arranged oppositely and in parallel to play a role in slowing flow.
The utility model discloses its functional principle is explained to following mode of operation of accessible: during assembly, the positioning pin 8 is aligned to one end of the U-shaped through groove 7, which extends to the opening of the tubing coupling 3, the elbow II 2 is pushed to be inserted into the tubing coupling 3, the end part of the elbow II 2 is pressed against the sealing sliding ring 5, the sealing sliding ring 5 is pushed to slide towards the tubing coupling 3, the spring 6 is compressed at the moment, when the positioning pin 8 slides to the bending part of the U-shaped through groove 7, the tubing coupling 3 is rotated, the positioning pin 8 slides to the other end of the U-shaped through groove 7, the hand is sent away at the moment, the positioning pin 8 is clamped into the closed end of the U-shaped through groove 7 under the elastic force of the spring 6, the elbow II 2 and the tubing coupling 3 can be connected and fixed, the operation is convenient, the elbow II 2 is conveniently matched and connected with the output end of a pump truck, the operation is convenient, the sealing performance is good, and the practicability is strong;
the pump truck can directly process well head pipelines without emptying and cutting an anti-theft box (tank) and a plug, thereby ensuring the safety of the work and not puncturing a cushion, and further achieving the purposes of saving labor hour and improving the production efficiency;
when the oil pipe coupling is disassembled, the positioning pin 8 is pushed to the bent part of the U-shaped through groove 7 again, and the oil pipe coupling 3 is rotated reversely, so that the positioning pin 8 slides to one end of the U-shaped through groove 7, which extends to the pipe orifice of the oil pipe coupling 3, and the oil pipe coupling 3 can be taken down.
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 (6)
1. A wellhead quick pipe flushing device comprises an elbow I (1) and an elbow II (2), and is characterized in that,
one end of the elbow I (1) is connected to a wellhead pipeline, and the other end of the elbow I (1) is communicated with the elbow II (2) through a vertical check valve (10);
one end of the elbow II (2), which is far away from the elbow I (1), is communicated with an oil pipe coupling (3) through a connecting mechanism, and the other end of the oil pipe coupling (3) is connected with the output end of the pump truck;
the connecting mechanism comprises an inner tube (4), a sealing sliding ring (5), a spring (6), a U-shaped through groove (7) and a positioning pin (8), the inner tube (4) is fixedly connected to the side wall of the inner ring of the tubing coupling (3), a cylindrical groove is formed between the inner tube (4) and the tubing coupling (3), the sealing sliding ring (5) slides in the cylindrical groove, the spring (6) is fixedly connected to one side of the sealing sliding ring (5), the other end of the spring (6) is fixed to the inner tube (4), the U-shaped through groove (7) is formed in the side wall of the tubing coupling (3), one end of the U-shaped through groove (7) extends to the pipe orifice of the tubing coupling (3), and the positioning pin (8) matched with the U-shaped through groove (7) is arranged on the side wall of the elbow II (2).
2. A wellhead quick washpipe device according to claim 1, characterized in that the locating pin (8) is cylindrically shaped.
3. A wellhead quick washpipe device according to claim 1, characterized in that the sealing slip ring (5) is made of a nitrile butadiene rubber material and the sealing slip ring (5) slides sealingly with the outer ring side wall of the inner pipe (4).
4. A wellhead rapid washpipe device according to claim 1, characterized in that two flow baffle plates (9) are fixed on the inner ring side wall of the elbow ii (2), and the two flow baffle plates (9) are arranged oppositely and in parallel.
5. A wellhead rapid washpipe device according to claim 1, characterized in that the elbow i (1) and the elbow ii (2) are both right-angle elbows.
6. A wellhead rapid washpipe device as claimed in claim 1, characterized in that the inner wall of the vertical check valve (10) is coated with a wear resistant and corrosion resistant coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121564356.XU CN214997495U (en) | 2021-07-11 | 2021-07-11 | Quick well head flushing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121564356.XU CN214997495U (en) | 2021-07-11 | 2021-07-11 | Quick well head flushing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214997495U true CN214997495U (en) | 2021-12-03 |
Family
ID=79103578
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121564356.XU Expired - Fee Related CN214997495U (en) | 2021-07-11 | 2021-07-11 | Quick well head flushing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214997495U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115405239A (en) * | 2022-10-31 | 2022-11-29 | 山东华冠能源技术有限公司 | Sleeve prestress protection device |
-
2021
- 2021-07-11 CN CN202121564356.XU patent/CN214997495U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115405239A (en) * | 2022-10-31 | 2022-11-29 | 山东华冠能源技术有限公司 | Sleeve prestress protection device |
| CN115405239B (en) * | 2022-10-31 | 2022-12-27 | 山东华冠能源技术有限公司 | Sleeve prestress protection device |
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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: 20211203 |