CN215763774U - Test bed for high-pressure injection sealing detection of oil field well head - Google Patents
Test bed for high-pressure injection sealing detection of oil field well head Download PDFInfo
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- CN215763774U CN215763774U CN202120543776.3U CN202120543776U CN215763774U CN 215763774 U CN215763774 U CN 215763774U CN 202120543776 U CN202120543776 U CN 202120543776U CN 215763774 U CN215763774 U CN 215763774U
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- sealing
- oil pipe
- main oil
- ring
- lantern ring
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- 238000007789 sealing Methods 0.000 title claims abstract description 122
- 238000002347 injection Methods 0.000 title claims abstract description 19
- 239000007924 injection Substances 0.000 title claims abstract description 19
- 238000001514 detection method Methods 0.000 title claims abstract description 14
- 239000000463 material Substances 0.000 claims description 5
- 239000004033 plastic Substances 0.000 claims description 4
- 238000001914 filtration Methods 0.000 abstract description 4
- 238000004140 cleaning Methods 0.000 abstract description 3
- 239000007788 liquid Substances 0.000 abstract description 2
- 238000002474 experimental method Methods 0.000 description 12
- 230000000694 effects Effects 0.000 description 8
- 210000001503 joint Anatomy 0.000 description 8
- 238000004880 explosion Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 238000010030 laminating Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model belongs to the technical field of oilfield experimental equipment, in particular to a test bed for high-pressure liquid injection sealing detection of an oilfield wellhead, which comprises an experimental cylinder, wherein a bracket is fixedly arranged at the lower end of the experimental cylinder, a main oil pipe is connected to the lower surface of one end of the experimental cylinder through a shunt pipe, a sealing connection lantern ring is arranged at one end of the main oil pipe, a fixed sealing ring buckle is arranged outside the sealing connection lantern ring, a thread groove is arranged at one end of the main oil pipe, and a sealing limit ring is also arranged at one end of the main oil pipe. The filter screen can play a better filtering role and is convenient for cleaning in the later period.
Description
Technical Field
The utility model belongs to the technical field of oilfield experimental equipment, and particularly relates to a test bed for high-pressure injection sealing detection of an oilfield wellhead.
Background
The high-pressure seal is a seal structure used for high-pressure working conditions (the pressure is more than 10 MPa). High pressure seals are more difficult than medium and low pressure seals due to the special factors of high pressure, high temperature, and pressure and temperature fluctuations. In terms of sealing principle and structure, the high-pressure seal is mainly characterized in that (1) a metal throwing gasket is adopted to bear high temperature and high specific sealing pressure. The gasket material is made of annealed aluminum, annealed red copper or mild steel and the like with good ductility; (2) by adopting narrow sealing surface, some close to linear sealing and the gasket tightly clings to the inner wall of the cylinder body, higher specific sealing pressure can be obtained and pretightening force can be reduced
The existing oil field wellhead experiment device connecting pipeline mostly does not have a convenient connecting device, the sealing effect is poor, if a damage needs to be replaced completely during use, the use cost is increased, the existing experiment device petroleum pipeline mostly does not have a filtering device, impurities in the wellhead oil field are more, the pipeline or a pipeline connector is easy to block due to long-time use, and the experiment accuracy and the use effect are influenced.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems in the prior art, the utility model provides the test bed for the high-pressure injection sealing detection of the oil field wellhead, which has the characteristics of convenience in installation and good sealing effect.
In order to achieve the purpose, the utility model provides the following technical scheme: test bench of sealed detection of oil field well head high pressure injection, including the experiment jar, the lower extreme fixed mounting of experiment jar has the support, the one end lower surface of experiment jar is connected with main oil pipe through the shunt tubes, main oil pipe's one end is provided with the sealing connection lantern ring, the outside of sealing connection lantern ring is provided with the fixed seal latch closure, the thread groove has been seted up to main oil pipe's one end, main oil pipe's one end still is provided with sealed spacing ring, main oil pipe's other end external surface is fixed and is provided with the external seal rubber ring, main oil pipe's other end opening is the guide port, the inside filter screen that closes soon in one end of guide port, the internal surface of sealing connection lantern ring is provided with the internal seal rubber ring.
As the preferable technical scheme of the test bed for the high-pressure injection sealing detection of the oilfield wellhead, a sealing rubber pad is arranged on the side surface of the butt joint of the inside of the sealing connection lantern ring and the main oil pipe.
As the preferable technical scheme of the test bed for the high-pressure injection sealing detection of the oilfield wellhead, one end of the outer surface of the sealing connection lantern ring is provided with a fixed ring groove, and the fixed sealing ring buckle and the fixed ring groove are mutually connected in a clamping manner.
As the preferable technical scheme of the test bed for the high-pressure injection sealing detection of the oil field wellhead, the inner sealing rubber ring and the outer sealing rubber ring are in mutual contact, the outer sealing rubber ring is arranged in a plurality of rings, and the inner sealing rubber ring is made of plastic materials.
As the preferable technical scheme of the test bed for the high-pressure injection sealing detection of the oilfield wellhead, a connecting clamping groove is formed in the sealing connecting lantern ring, a connecting clamping block is fixedly installed on the outer surface of the main oil pipe, the connecting clamping groove is formed in an L shape, and the connecting clamping groove and the connecting clamping block are mutually clamped and connected.
As the preferable technical scheme of the test bed for the high-pressure injection sealing detection of the oilfield wellhead, one end inside the sealing connection lantern ring is provided with a thread and is connected with the thread groove.
Compared with the prior art, the utility model has the beneficial effects that: when a plurality of experimental cylinders need to be butted when in use, the screw thread in the sealing connection lantern ring can be screwed into the sealing limit ring arranged at the outer part of one end of the main oil pipe for joint connection, one end of another main oil pipe is inserted into the other end of the sealing connection lantern ring, so that the inner sealing rubber ring is clamped into the upper end of the outer sealing rubber ring, a filter screen is screwed at one end of the main oil pipe, the filter screen can play a better filtering role and is convenient for later cleaning, when in butt joint, one end of the main oil pipe is provided with a guide port to play a role in convenient and quick connection, the connection and the connection are better, the main oil pipes at two ends are extruded and rotated to enable the connection clamping blocks to be inserted into the connection clamping grooves, the fixed connection effect can be played by arranging the connection clamping grooves and the connection clamping blocks, the two main oil pipes are prevented from falling off, and after the clamping and the butt joint, the fixed sealing ring is clamped into the fixed ring groove, the screw that rotates fixed seal latch closure both ends is tightened, and the inner seal rubber ring of fixed ring groove lower extreme is extruded when tightening, makes the inner seal rubber ring be extruded the laminating in the outside of outer seal rubber ring, through setting up the outer seal rubber ring into a plurality of curved structures, can play the effect of reinforcing leakproofness.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of a partial explosion section of an oil pipe connection part in the present invention;
FIG. 3 is a schematic view showing a partial explosion of the oil pipe joint according to the present invention;
FIG. 4 is an enlarged view of part A of the present invention;
FIG. 5 is an enlarged view of part B of the present invention;
FIG. 6 is an enlarged view of the structure of part C of the present invention;
FIG. 7 is a schematic view showing a partial explosion of the connecting portion of the second pipe according to the embodiment of the present invention;
FIG. 8 is an enlarged view of part D in example 2 of the present invention;
in the figure: 1. an experimental cylinder; 2. a support; 3. a shunt tube; 4. a main oil pipe; 5. a sealing connection lantern ring; 6. fixing a sealing ring buckle; 7. a thread groove; 8. sealing the limiting ring; 9. the outer seal rubber ring; 10. a guide port; 11. a filter screen; 12. sealing the rubber pad; 13. a fixed ring groove; 14. an inner sealing rubber ring; 15. a connecting clamping groove; 16. connecting a clamping block; 17. a sealing screw; 18. an open threaded ring; 19. a circular seal ring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1-6, the present invention provides the following technical solutions: test bench of sealed detection of oil field well head high pressure injection, including experiment jar 1, the lower extreme fixed mounting of experiment jar 1 has support 2, the one end lower surface of experiment jar 1 is connected with main oil pipe 4 through shunt tubes 3, the one end of main oil pipe 4 is provided with the sealing connection lantern ring 5, the outside of sealing connection lantern ring 5 is provided with fixed seal ring and detains 6, thread groove 7 has been seted up to the one end of main oil pipe 4, the one end of main oil pipe 4 still is provided with sealed spacing ring 8, the other end external surface of main oil pipe 4 is fixed and is provided with external seal rubber ring 9, the other end opening of main oil pipe 4 is guide port 10, the inside filter screen 11 that closes soon of one end of guide port 10, the internal surface of sealing connection lantern ring 5 is provided with internal seal rubber ring 14.
Specifically, the sealing rubber pad 12 is arranged on the side surface of the butt joint of the inner part of the sealing connection sleeve ring 5 and the main oil pipe 4, and the sealing rubber pad 12 is arranged on the side surface of the inner part of the sealing connection sleeve ring 5 in the embodiment, so that the sealing performance of the connection part is enhanced.
Specifically, fixed annular 13 has been seted up to the surface one end of the sealing connection lantern ring 5, and fixed sealing latch closure 6 is connected with the mutual block of fixed annular 13, through setting up fixed annular 13 in this embodiment, is convenient for fix mutual riveting and location of sealing latch closure 6.
Specifically, interior sealing rubber ring 14 and external sealing rubber ring 9 contact each other, and external sealing rubber ring 9 is a plurality of annular settings, and interior sealing rubber ring 14 is plastic material, through setting up external sealing rubber ring 9 into a plurality of loop configuration in this embodiment, uses simultaneously in a plurality of sealing washers, and the leakproofness is stronger, strengthens the leakproofness on the basis of strengthening the connection.
Specifically, connecting clamping groove 15 has been seted up to the inside of the sealing connection lantern ring 5, and the fixed surface of main oil pipe 4 installs connection fixture block 16, and connecting clamping groove 15 is seted up for "L" shape, and connecting clamping groove 15 is connected with the mutual block of connection fixture block 16, through setting up connecting clamping groove 15 and connection fixture block 16 in this embodiment, can play preliminary fixed and enhancement connection's effect, guarantees behind the joint that main oil pipe 4 can not drop with the sealing connection lantern ring 5.
Specifically, one end of the inside of the sealing connection lantern ring 5 is provided with a thread and is connected with the thread groove 7.
Example 2
Referring to fig. 7-8, the present invention provides the following technical solutions: a test bed for high-pressure liquid injection sealing detection of an oilfield wellhead comprises an experiment cylinder 1, a support 2 is fixedly installed at the lower end of the experiment cylinder 1, the lower surface of one end of the experiment cylinder 1 is connected with a main oil pipe 4 through a shunt pipe 3, one end of the main oil pipe 4 is provided with a sealing connection lantern ring 5, a fixed sealing ring buckle 6 is arranged outside the sealing connection lantern ring 5, one end of the main oil pipe 4 is provided with a thread groove 7, one end of the main oil pipe 4 is also provided with a sealing limiting ring 8, the outer surface of the other end of the main oil pipe 4 is fixedly provided with an outer sealing rubber ring 9, the opening of the other end of the main oil pipe 4 is a guide port 10, one end of the guide port 10 is internally screwed and connected with a filter screen 11, the inner surface of the sealing connection lantern ring 5 is provided with an inner sealing rubber ring 14, the outer part of the sealing connection lantern ring 5 is screwed and connected with a sealing screw 17, and the outer surface of the sealing connection lantern ring 5 is provided with an opening thread ring 18, the outside of the sealing connection collar 5 is fixedly provided with a circular sealing ring 19.
Specifically, the sealing rubber pad 12 is arranged on the side surface of the butt joint of the inner part of the sealing connection sleeve ring 5 and the main oil pipe 4, and the sealing rubber pad 12 is arranged on the side surface of the inner part of the sealing connection sleeve ring 5 in the embodiment, so that the sealing performance of the connection part is enhanced.
Specifically, the split thread rings 18 are connected with the sealing screws 17 in a screwing mode, the number of the split thread rings 18 is a plurality, and the split thread rings are uniformly fixed on the outer surface of the sealing connection lantern ring 5 in an annular mode.
Specifically, interior sealing rubber ring 14 and external sealing rubber ring 9 contact each other, and external sealing rubber ring 9 is a plurality of annular settings, and interior sealing rubber ring 14 is plastic material, through setting up external sealing rubber ring 9 into a plurality of loop configuration in this embodiment, uses simultaneously in a plurality of sealing washers, and the leakproofness is stronger, strengthens the leakproofness on the basis of strengthening the connection.
Specifically, connecting clamping groove 15 has been seted up to the inside of the sealing connection lantern ring 5, and the fixed surface of main oil pipe 4 installs connection fixture block 16, and connecting clamping groove 15 is seted up for "L" shape, and connecting clamping groove 15 is connected with the mutual block of connection fixture block 16, through setting up connecting clamping groove 15 and connection fixture block 16 in this embodiment, can play preliminary fixed and enhancement connection's effect, guarantees behind the joint that main oil pipe 4 can not drop with the sealing connection lantern ring 5.
Specifically, one end of the inside of the sealing connection lantern ring 5 is provided with a thread and is connected with the thread groove 7.
The working principle and the using process of the utility model are as follows: when the utility model is used and needs to butt joint a plurality of experimental cylinders 1, the screw thread in the sealing connection lantern ring 5 can be screwed into the sealing limit ring 8 arranged outside one end of the main oil pipe 4 to connect, one end of another main oil pipe 4 is inserted into the other end of the sealing connection lantern ring 5, the inner sealing rubber ring 14 is clamped into the upper end of the outer sealing rubber ring 9, the filter screen 11 is screwed on one end of the main oil pipe 4, the filter screen 11 can play a better filtering role and is convenient for later cleaning, when in butt joint, the guide opening 10 is arranged at one end of the main oil pipe 4, the function of convenient and quick connection can be played, the connection and connection performance is better, the main oil pipes 4 at the two ends are extruded and rotated, the connection clamping block 16 can be inserted into the connection clamping groove 15, the connection clamping block 15 and the connection clamping block 16 can play a role of fixed connection, and the two main oil pipes 4 are prevented from falling off, after the block butt joint, go into the inside of fixed annular groove 13 with fixed sealed latch closure 6 card, rotate the screw at 6 both ends of fixed sealed latch closure and tighten, the interior seal rubber ring 14 of fixed annular groove 13 lower extreme is extruded when tightening, makes interior seal rubber ring 14 by the extrusion laminating in the outside of outer seal rubber ring 9, through setting up outer seal rubber ring 9 into a plurality of curved structures, can play the effect of reinforcing leakproofness.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that various changes, modifications and substitutions can be made without departing from the spirit and scope of the utility model as defined by the appended claims. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. Test bench of sealed detection of oil field well head high pressure injection, its characterized in that: comprises an experimental cylinder (1), a bracket (2) is fixedly arranged at the lower end of the experimental cylinder (1), the lower surface of one end of the experimental cylinder (1) is connected with a main oil pipe (4) through a shunt pipe (3), one end of the main oil pipe (4) is provided with a sealing connection lantern ring (5), the outside of the sealing connection lantern ring (5) is provided with a fixed sealing ring buckle (6), one end of the main oil pipe (4) is provided with a thread groove (7), one end of the main oil pipe (4) is also provided with a sealing limit ring (8), an outer sealing rubber ring (9) is fixedly arranged on the outer surface of the other end of the main oil pipe (4), the opening at the other end of the main oil pipe (4) is a guide port (10), a filter screen (11) is screwed and connected inside one end of the guide port (10), the inner surface of the sealing connection lantern ring (5) is provided with an inner sealing rubber ring (14).
2. The test bed for detecting the high-pressure injection sealing of the oilfield wellhead according to claim 1, characterized in that: and a sealing rubber pad (12) is arranged on the side surface of the joint of the inside of the sealing connection lantern ring (5) and the main oil pipe (4).
3. The test bed for detecting the high-pressure injection sealing of the oilfield wellhead according to claim 1, characterized in that: fixed annular groove (13) have been seted up to the surface one end of sealing connection lantern ring (5), fixed sealed latch closure (6) are connected with fixed annular groove (13) mutual block.
4. The test bed for detecting the high-pressure injection sealing of the oilfield wellhead according to claim 1, characterized in that: interior sealing rubber ring (14) and external sealing rubber ring (9) contact each other, external sealing rubber ring (9) are a plurality of annular settings, interior sealing rubber ring (14) are plastic material.
5. The test bed for detecting the high-pressure injection sealing of the oilfield wellhead according to claim 1, characterized in that: the oil pipe sealing structure is characterized in that a connecting clamping groove (15) is formed in the sealing connecting lantern ring (5), a connecting clamping block (16) is fixedly mounted on the outer surface of the main oil pipe (4), the connecting clamping groove (15) is formed in an L shape, and the connecting clamping groove (15) is connected with the connecting clamping block (16) in a clamping mode.
6. The test bed for detecting the high-pressure injection sealing of the oilfield wellhead according to claim 1, characterized in that: and one end of the inside of the sealing connection lantern ring (5) is provided with a thread and is connected with the thread groove (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120543776.3U CN215763774U (en) | 2021-03-16 | 2021-03-16 | Test bed for high-pressure injection sealing detection of oil field well head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120543776.3U CN215763774U (en) | 2021-03-16 | 2021-03-16 | Test bed for high-pressure injection sealing detection of oil field well head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215763774U true CN215763774U (en) | 2022-02-08 |
Family
ID=80094220
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120543776.3U Expired - Fee Related CN215763774U (en) | 2021-03-16 | 2021-03-16 | Test bed for high-pressure injection sealing detection of oil field well head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215763774U (en) |
-
2021
- 2021-03-16 CN CN202120543776.3U patent/CN215763774U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220208 |
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| CF01 | Termination of patent right due to non-payment of annual fee |