CN109459228B - Internal blowout prevention tool pressure test table - Google Patents
Internal blowout prevention tool pressure test table Download PDFInfo
- Publication number
- CN109459228B CN109459228B CN201811607864.4A CN201811607864A CN109459228B CN 109459228 B CN109459228 B CN 109459228B CN 201811607864 A CN201811607864 A CN 201811607864A CN 109459228 B CN109459228 B CN 109459228B
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- oil cylinder
- pressure test
- bottom plate
- lower bottom
- pressure
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- 238000012360 testing method Methods 0.000 title claims abstract description 99
- 230000002265 prevention Effects 0.000 title claims abstract description 18
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 9
- 239000010959 steel Substances 0.000 claims abstract description 9
- 238000007789 sealing Methods 0.000 claims description 38
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 8
- 229910052802 copper Inorganic materials 0.000 claims description 8
- 239000010949 copper Substances 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000005553 drilling Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention discloses an internal blowout prevention tool pressure test table which comprises a channel steel base, a lower bottom plate, a limiting baffle, a guide plate, a stand column, a cock, a pressure test connector, an upper top plate, a guide mounting seat, a connecting seat, an oil cylinder fork block, a push-pull oil cylinder and an oil cylinder support, wherein the channel steel base is positioned at the bottom of the lower bottom plate, the limiting baffle is positioned above the lower bottom plate and parallel to the limiting baffle, the end part of the stand column penetrates through the lower bottom plate and is sleeved with a long nut, the other end of the stand column penetrates through the upper top plate, and the stand column is sleeved with a short nut and a long nut. The pressure test table for the internal blowout prevention tool provided by the invention adopts the four-column type pressure platform to realize quick pressure test of the internal blowout prevention tool, and has the advantages of lower equipment cost investment and higher degree of automation. The four-column type pressure platform can easily realize height adjustment so as to adapt to different tool heights; the hydraulic push-pull oil cylinder realizes the automatic control of the tool entering the pressure test station.
Description
Technical Field
The invention belongs to the technical field of oilfield equipment, and particularly relates to an internal blowout prevention tool pressure test table.
Background
At present, the tool for preventing the drilling tool from being internally used in drilling and well repairing construction operations at home and abroad is a device which is necessary for drilling safety, and the industry standard prescribes that each set of products must be subjected to pressure test after leaving factory and maintaining so as to ensure the sealing safety of the products. The existing pressure test modes basically have two types, one type is that two ends of a tool are respectively provided with a threaded test joint, the tool is connected with the tool through fastening and dismounting by special dismounting equipment, and then a pressurizing experiment is carried out on a sealed containing cavity, the mode needs special dismounting equipment, each thread needs to be provided with the threaded test joint, the safety and the reliability are good, the equipment cost investment is high, and the threads at the two ends of the tool can be damaged more or less in the test process; the other mode needs no turning buckle and no dismounting equipment, but two sealing joints are respectively arranged at the two ends, and when the tool is pressed, a large-tonnage four-column hydraulic press is needed to prop against the two ends of the tool to offset the pressure of the sealing cavity, so that a large-scale special four-column hydraulic press is needed, each tool with the outer diameter needs to be provided with a threaded test joint, the number of the test joints is reduced to a certain extent, the threads at the two ends of the tool are not damaged, the safety and the reliability are good, and the equipment cost investment is also large; the invention discloses a pressure test table for an internal blowout prevention tool, which adopts a four-column pressure platform to realize quick pressure test of the internal blowout prevention tool, has the lowest equipment cost investment, only needs to align test joints with each water hole, greatly reduces the number of the test joints, has better safety and reliability, does not damage threads at two ends of the tool, has higher degree of automation, and greatly improves the pressure test efficiency.
Disclosure of Invention
The invention aims to solve the problems and provides a pressure testing table for an internal blowout prevention tool, which adopts a four-column type pressure platform to realize quick assembly, pressure testing and disassembly of the internal blowout prevention tool.
In order to solve the technical problems, the technical scheme of the invention is as follows: the utility model provides an interior blowout prevention instrument pressure test platform, including the channel-section steel base, the lower plate, limit baffle, the stand, the cock, the pressure test connects, the roof, the guide mount pad, the connecting seat, hydro-cylinder fork piece, push-and-pull hydro-cylinder and hydro-cylinder support, the channel-section steel base is located the bottom of lower plate, limit baffle is located the upper surface of lower plate and is parallel with limit baffle, the tip of stand wears to locate the lower plate and overlaps and is equipped with long nut, the other end of stand wears to locate the roof, the cover is equipped with short nut and long nut on the stand, the roof is located between short nut and the long nut; the top of the pressure testing joint is connected with the upper top plate, the bottom of the pressure testing joint is connected with the cock, the other end of the cock is connected with the guide mounting seat, the guide mounting seat is positioned on the lower bottom plate, the connecting seat is fixedly connected with the guide mounting seat, the push-pull oil cylinder is fixedly connected with the lower bottom plate through the oil cylinder support through a third screw, the rod end of the push-pull oil cylinder is connected with the oil cylinder fork block, the oil cylinder fork block is fixedly connected with the connecting seat, and the rod end of the push-pull oil cylinder drives the connecting seat to move in the expansion process, so that the cock and the pressure testing joint are driven to move.
Preferably, the pressure test connector comprises a pressure test connector body, a double male connector, a sealing copper pad, a V-shaped combined seal, a sealing body, a sealing ring and a round nut, wherein the pressure test connector body is provided with a concave structure; the V-shaped combined seal, the sealing body and the round nut are sequentially sleeved at the other end of the pressure testing joint body, the sealing ring is sleeved on the sealing body, and the end part of the pressure testing joint body, where the V-shaped combined seal, the sealing body and the round nut are installed, is located inside the cock.
Preferably, the pressure test connector body is of a stepped cylinder structure, and the section of the pressure test connector body along the axis is in a convex shape.
Preferably, the number of the upright posts is four, and the upright posts are distributed in parallel and are in a rectangular structure.
Preferably, the guide mounting seat is provided with a drain hole, and the drain hole is of a through hole structure.
Preferably, the connecting seat is connected with the guide mounting seat through a fourth screw, and the fourth screw penetrates through the connecting seat to be fixedly connected with the guide mounting seat into an integrated structure.
Preferably, the connecting seat is connected with the oil cylinder fork block through a second screw.
Preferably, the lower bottom plate and the limit baffle are connected into an integrated structure through a first screw, and the first screw penetrates through the limit baffle to be fixedly connected with the lower bottom plate.
Preferably, the upper top plate is provided with a hanging ring, and the hanging ring is fixedly connected with the upper top plate.
Preferably, the plug may be replaced by a drill pipe relief valve, an arrow-type back pressure valve, a float valve, an arrow-type check valve, or other internal blowout preventer.
The beneficial effects of the invention are as follows:
1. The internal blowout prevention tool pressure test table provided by the invention can easily realize the adjustment of the height of the platform by adopting four upright posts so as to adapt to different tool heights.
2. The push-pull oil cylinder is connected with the tool to synchronously stretch and retract, so that the tool can enter and exit the pressure test station automatically.
3. In the invention, the tool enters and exits the pressure test station with a track to realize accurate positioning.
4. The pressure test connector can be used for quickly sealing a tool, and has strong inner hole size adaptability and automatic expansion adaptation of the V-shaped combined seal after pressure application to low-pressure and high-pressure sealing.
5. The pressure test connector is directly inserted into and taken out of the tool water hole, the tool is quickly sealed, when the length of the tool is changed by a certain length, the pressure test connector can be automatically ejected after the tool is internally pressed, namely, the pressure test connector can adapt to the tool pressure test of similar sizes in a certain range without adjusting the height of the platform.
Drawings
FIG. 1 is a schematic diagram of the structure of an internal blowout prevention tool test bed of the present invention;
FIG. 2 is a schematic top view of an internal blowout preventer test bed according to the present invention;
FIG. 3 is a schematic diagram of a pressure test joint of an internal blowout prevention tool pressure test table.
Reference numerals illustrate: 1. a channel steel base; 2. a lower base plate; 3. a limit baffle; 4. a first screw; 5. a guide plate; 6. a column; 7. a cock; 8. a pressure test joint; 9. a short nut; 10. an upper top plate; 11. a long nut; 12. a spanner hole; 13. a hanging ring; 14. a guide mounting seat; 15. a drain hole; 16. a connecting seat; 17. a second screw; 18. an oil cylinder fork block; 19. an oil inlet and outlet of the oil cylinder; 20. push-pull oil cylinder; 21. a third screw; 22. a fourth screw; 23. an oil cylinder support; 24. a pressure test connector body 25 and a double male connector; 26. sealing the copper pad; 27. v-shaped combined seal; 28. a sealing body; 29. a seal ring; 30. a round nut.
Detailed Description
The invention is further described with reference to the accompanying drawings and specific examples:
as shown in fig. 1 to 3, the internal blowout prevention tool pressure test table provided by the invention comprises a channel steel base 1, a lower bottom plate 2, a limit baffle 3, a guide plate 5, a stand column 6, a cock 7, a pressure test joint 8, an upper top plate 10, a guide mounting seat 14, a connecting seat 16, an oil cylinder fork block 18, a push-pull oil cylinder 20 and an oil cylinder support 23, wherein the channel steel base 1 is positioned at the bottom of the lower bottom plate 2, the limit baffle 3 is positioned above the lower bottom plate 2, and the guide plate 5 is positioned above the lower bottom plate 2 and parallel to the limit baffle 3. The end of the upright post 6 is penetrated through the lower bottom plate 2 and sleeved with a long nut 11, the other end of the upright post 6 is penetrated through the upper top plate 10, the upright post 6 is sleeved with a short nut 9 and a long nut 11, and the upper top plate 10 is positioned between the short nut 9 and the long nut 11. The top of the pressure testing joint 8 is connected with the upper top plate 10, the bottom of the pressure testing joint 8 is connected with the cock 7, the other end of the cock 7 is connected with the guide mounting seat 14, the guide mounting seat 14 is positioned on the lower bottom plate 2, and the connecting seat 16 is fixedly connected with the guide mounting seat 14. The push-pull oil cylinder 20 is fixedly connected with the lower bottom plate 2 through the oil cylinder support 23 and the third screw 21, the rod end of the push-pull oil cylinder 20 is connected with the oil cylinder fork block 18, the oil cylinder fork block 18 is fixedly connected with the connecting seat 16, and the rod end of the push-pull oil cylinder 20 drives the connecting seat 16 to move in the telescopic process, so that the cock 7 and the pressure test joint 8 are driven to move.
As shown in fig. 2, the tool cock 7 enters and exits the pressure test station and is accurately positioned by a track formed by the limit baffle 3, the first screw 4 and the guide plate 5 on the lower bottom plate 2.
The pressure tap 8 enables the plug 7 to be inserted and removed directly, forming a quick seal against the plug 7. Because the pressure test connector 8 is directly inserted into the cock 7, when the cock 7 has a certain length change, the pressure test connector 8 can be automatically ejected after the cock 7 is internally pressurized, namely, the pressure test connector can adapt to the cock 7 with similar size in a certain range without adjusting the height of the platform.
The pressure test connector 8 comprises a pressure test connector body 24, a double male connector 25, a sealing copper pad 26, a V-shaped combined seal 27, a sealing body 28, a sealing ring 29 and a round nut 30, wherein the pressure test connector body 24 is provided with a concave structure, and the double male connector 25 is inserted into the concave structure to be connected with the end part of the pressure test connector body 24. The sealing copper pad 26 is located at the end of the double male connector 25, and the sealing copper pad 26 is located inside the concave structure of the pressure test connector body 24. The V-shaped combined seal 27, the sealing body 28 and the round nut 30 are sequentially sleeved at the other end of the pressure testing joint body 24, the sealing ring 29 is sleeved on the sealing body 28, and the end parts of the V-shaped combined seal 27, the sealing body 28 and the round nut 30, which are installed on the pressure testing joint body 24, are positioned inside the cock 7.
The round nut 30 is in threaded connection with the end part of the sealing body 28, the combined height of the V-shaped combined seal 27 can be adjusted and locked when the round nut 30 rotates, expansion and shrinkage are realized in a certain range, pressure test of a tool with an inner hole with an increased size due to erosion and abrasion after the tool is used is realized, meanwhile, the V-shaped combined seal 27 can be pushed by the sealing body 28 after the inner cavity of the tool is pressurized, and the V-shaped combined seal can be automatically expanded to adapt to low-pressure and high-pressure sealing.
The pressure test connector body 24 is of a stepped cylindrical structure, and the section of the pressure test connector body 24 along the axis is in a convex shape.
The number of the stand columns 6 is four, the stand columns are distributed in parallel to each other and are of rectangular structures, two long nuts 11 and one short nut 9 are arranged on each stand column 6, and the distance between the lower bottom plate 2 and the upper top plate 10 is adjusted and locked by adjusting the long nuts 11 and the short nuts 9, so that the adjustment of the height of the platform is realized, and the height of different tools is adapted.
The guide mounting seat 14 is provided with a drain hole 15, the drain hole 15 is of a through hole structure, and the drain hole 15 is communicated with the inside of the guide mounting seat 14. The guide mounting seat 14 is used for mounting and supporting the cock 7 to exit and enter and exit the pressure testing station, and after the pressure testing is completed, the water in the guide mounting seat 14 can be quickly drained through the drain hole 15 after the tool is lifted out.
After the double male connectors 25 with the O-shaped sealing rings are added on the pressure test connector body 24, pressure can be applied to the female buckle end, and the pressure test connector can be applicable to tools which need to test the pressure of the female buckle end.
The connecting seat 16 and the guide mounting seat 14 are connected through a fourth screw 22, and the fourth screw 22 penetrates through the connecting seat 16 to be fixedly connected with the guide mounting seat 14 into an integral structure. The connecting seat 16 and the cylinder fork block 18 are connected through a second screw 17. The lower bottom plate 2 and the limit baffle 3 are connected into an integrated structure through a first screw 4, and the first screw 4 penetrates through the limit baffle 3 to be fixedly connected with the lower bottom plate 2.
The upper top plate 10 is provided with a hanging ring 13, the hanging ring 13 is fixedly connected with the upper top plate 10, and the hanging ring 13 can be connected with external equipment so as to increase the working application range of the invention.
The cock 7 can be replaced by other internal blowout prevention tools such as a drill rod safety valve, an arrow-shaped back pressure valve, a float valve, an arrow-shaped check valve and the like, and the working principle of the replaced equipment is the same.
The invention adopts the four-column type pressure platform to realize the functions of quick assembly, pressure test and disassembly of the internal blowout prevention tool, and can easily realize the height adjustment so as to adapt to different tool heights. The hydraulic push-pull oil cylinder 20 is used for realizing automatic control of the tool entering the pressure test station, and the tool entering and exiting the pressure test station is provided with a track for realizing accurate positioning. The pressure test connector 8 can be used for quickly sealing a tool, has strong inner hole size adaptability, and the V-shaped combined seal 27 automatically expands to adapt to low-pressure and high-pressure sealing after the pressure test connector 8 is pressed.
Those of ordinary skill in the art will recognize that the embodiments described herein are for the purpose of aiding the reader in understanding the principles of the present invention and should be understood that the scope of the invention is not limited to such specific statements and embodiments. Those of ordinary skill in the art can make various other specific modifications and combinations from the teachings of the present disclosure without departing from the spirit thereof, and such modifications and combinations remain within the scope of the present disclosure.
Claims (8)
1. An interior blowout prevention instrument test bench, its characterized in that: the novel pressure testing device comprises a channel steel base (1), a lower bottom plate (2), a limit baffle (3), a guide plate (5), a stand column (6), a cock (7), a pressure testing joint (8), an upper top plate (10), a guide mounting seat (14), a connecting seat (16), an oil cylinder fork block (18), a push-pull oil cylinder (20) and an oil cylinder support (23), wherein the channel steel base (1) is positioned at the bottom of the lower bottom plate (2), the limit baffle (3) is positioned above the lower bottom plate (2), the guide plate (5) is positioned above the lower bottom plate (2) and parallel to the limit baffle (3), the end part of the stand column (6) is arranged on the lower bottom plate (2) in a penetrating manner and sleeved with a long nut (11), the other end of the stand column (6) is arranged on the upper top plate (10), a short nut (9) and the long nut (11) are sleeved on the stand column (6), and the upper top plate (10) is positioned between the short nut (9) and the long nut (11). The top of the pressure testing joint (8) is connected with the upper top plate (10), the bottom of the pressure testing joint (8) is connected with the cock (7), the other end of the cock (7) is connected with the guide mounting seat (14), the guide mounting seat (14) is positioned on the lower bottom plate (2), the connecting seat (16) is fixedly connected with the guide mounting seat (14), the push-pull oil cylinder (20) is fixedly connected with the lower bottom plate (2) through the oil cylinder support (23) and the third screw (21), the rod end of the push-pull oil cylinder (20) is connected with the oil cylinder fork block (18), the oil cylinder fork block (18) is fixedly connected with the connecting seat (16), and the rod end of the push-pull oil cylinder (20) drives the connecting seat (16) to move in the expansion process, so as to drive the cock (7) and the pressure testing joint (8) to move;
The connecting seat (16) is connected with the oil cylinder fork block (18) through a second screw (17);
and a hanging ring (13) is arranged on the upper top plate (10), and the hanging ring (13) is fixedly connected with the upper top plate (10).
2. The internal blowout preventer test stand of claim 1, wherein: the pressure test connector (8) comprises a pressure test connector body (24), a double male connector (25), a sealing copper pad (26) and a V-shaped combined seal (27), a sealing body (28), a sealing ring (29) and a round nut (30), wherein the pressure test connector body (24) is provided with a concave structure, the double male connector (25) is inserted into the concave structure to be connected with the end part of the pressure test connector body (24), the sealing copper pad (26) is positioned at the end part of the double male connector (25), and the sealing copper pad (26) is positioned in the concave structure of the pressure test connector body (24); the V-shaped combined seal (27), the sealing body (28) and the round nut (30) are sequentially sleeved at the other end of the pressure testing joint body (24), the sealing ring (29) is sleeved on the sealing body (28), and the V-shaped combined seal (27), the sealing body (28) and the end part of the round nut (30) are arranged in the cock (7) on the pressure testing joint body (24).
3. The internal blowout preventer test stand of claim 2, wherein: the pressure test connector body (24) is of a stepped cylindrical structure, and the section of the pressure test connector body (24) along the axis is in a convex shape.
4. The internal blowout preventer test stand of claim 1, wherein: the number of the upright posts (6) is four, and the upright posts are distributed in parallel and are in a rectangular structure.
5. The internal blowout preventer test stand of claim 1, wherein: and a drain hole (15) is arranged on the guide mounting seat (14), and the drain hole (15) is of a through hole structure.
6. The internal blowout preventer test stand of claim 1, wherein: the connecting seat (16) is connected with the guide mounting seat (14) through a fourth screw (22), and the fourth screw (22) penetrates through the connecting seat (16) to be fixedly connected with the guide mounting seat (14) into an integrated structure.
7. The internal blowout preventer test stand of claim 1, wherein: the lower bottom plate (2) and the limit baffle (3) are connected into an integrated structure through a first screw (4), and the first screw (4) penetrates through the limit baffle (3) to be fixedly connected with the lower bottom plate (2).
8. The internal blowout preventer test stand of claim 1, wherein: the cock (7) is replaced by any one of a drill rod safety valve, an arrow-shaped back pressure valve, a floating valve and an arrow-shaped check valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811607864.4A CN109459228B (en) | 2018-12-27 | 2018-12-27 | Internal blowout prevention tool pressure test table |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811607864.4A CN109459228B (en) | 2018-12-27 | 2018-12-27 | Internal blowout prevention tool pressure test table |
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| CN109459228A CN109459228A (en) | 2019-03-12 |
| CN109459228B true CN109459228B (en) | 2024-04-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811607864.4A Active CN109459228B (en) | 2018-12-27 | 2018-12-27 | Internal blowout prevention tool pressure test table |
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| CN (1) | CN109459228B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110328153B (en) * | 2019-04-24 | 2024-01-26 | 沈阳鑫博立恩石油钻探设备制造有限公司 | Multi-station internal blowout prevention tool pressure testing device for petroleum drilling |
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| CN109459228A (en) | 2019-03-12 |
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