CN113431558A - Gas field is with pressure measurement device that prevents frostbite - Google Patents
Gas field is with pressure measurement device that prevents frostbite Download PDFInfo
- Publication number
- CN113431558A CN113431558A CN202110675181.8A CN202110675181A CN113431558A CN 113431558 A CN113431558 A CN 113431558A CN 202110675181 A CN202110675181 A CN 202110675181A CN 113431558 A CN113431558 A CN 113431558A
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- Prior art keywords
- pressure measuring
- inner body
- freezing
- hole
- gas field
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- 238000009530 blood pressure measurement Methods 0.000 title claims abstract description 8
- 208000001034 Frostbite Diseases 0.000 title claims abstract description 4
- 238000007710 freezing Methods 0.000 claims abstract description 45
- 239000007788 liquid Substances 0.000 claims abstract description 17
- 230000002528 anti-freeze Effects 0.000 claims abstract description 11
- 238000007789 sealing Methods 0.000 claims description 27
- 108010053481 Antifreeze Proteins Proteins 0.000 claims 1
- 238000012360 testing method Methods 0.000 abstract description 11
- 239000007789 gas Substances 0.000 description 27
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000008014 freezing Effects 0.000 description 3
- 239000003345 natural gas Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/06—Measuring temperature or pressure
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- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Geophysics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
The invention discloses an anti-freezing pressure measuring device for a gas field, which comprises: a housing; an inner body provided inside the housing, and an antifreeze liquid filled between the housing and the inner body; a pressure measuring instrument having a receiving end inserted into the inner body; and the piston is arranged in the inner body, and an anti-freezing solution is filled between the upper end of the piston and the top of the inner body. This pressure measurement device is prevented frostbite for gas field has solved current gas field when carrying out the pressure measurement winter, because the lower condensate liquid of temperature takes place to freeze easily when getting into pressure measurement instrument, causes the inaccurate and damage pressure measurement instrument's of test problem.
Description
Technical Field
The invention belongs to the technical field of oil and gas field pressure detection tools, and particularly relates to an anti-freezing pressure measuring device for a gas field.
Background
When the gas field is normally produced, measuring instruments such as a pressure measuring instrument are needed to detect the pressure in the natural gas collecting and transmitting system so as to judge the implementation working condition of the system and facilitate daily production management.
A plurality of large gas fields are distributed in northwest areas of China, the climates of the areas are cold in winter, a large amount of liquid is easily condensed and separated out from a natural gas collecting and conveying system due to the cold climates, when the condensed liquid in the system enters a pressure measuring instrument, the condensed liquid is easy to freeze, so that the pressure in the natural gas collecting and conveying system cannot be in contact with a receiving end of the pressure measuring instrument in an actual working state, the pressure measuring instrument is inaccurate in test or directly damaged, and the safety production of the gas fields is seriously influenced.
Disclosure of Invention
The invention aims to provide an anti-freezing pressure measuring device for a gas field, which solves the problems of inaccurate test and damage to a pressure measuring instrument caused by icing easily when liquid which is condensed and separated out at a lower temperature enters the pressure measuring instrument when the pressure is measured during the production of the existing gas field in winter.
In order to achieve the purpose, the invention adopts the technical scheme that: an anti-freezing pressure measuring device for a gas field, comprising:
a housing;
an inner body provided inside the housing, and an antifreeze liquid filled between the housing and the inner body;
a pressure measuring instrument having a receiving end inserted into the inner body;
and the piston is arranged in the inner body, and an anti-freezing solution is filled between the upper end of the piston and the top of the inner body.
In a preferred embodiment of the present invention, a first connection head is disposed at an upper end of the inner body, a first through hole is disposed in the first connection head, the first connection head extends from a top of the housing, and a receiving end of the pressure measuring instrument is disposed in the first through hole.
As a preferable technical solution of the present invention, a lock nut is provided outside the first connector.
As a preferred technical solution of the present invention, a second connector is disposed at a receiving end of the pressure measurement instrument, a second through hole is disposed in the second connector, and a lower end of the second connector is disposed in the first connector.
As a preferable technical solution of the present invention, an oil filling port is provided at a top portion of the housing, and a sealing plug is provided in the oil filling port.
As a preferable technical solution of the present invention, a connector is disposed at a lower end of the housing, an upper end of the connector extends into the inner body, and a third through hole is disposed in the connector.
As a preferable technical solution of the present invention, a fourth through hole is provided at a side portion of the connecting body, the fourth through hole is communicated with the third through hole, and an air release valve is provided in the fourth through hole.
In a preferred embodiment of the present invention, the blow valve includes a sealing cap disposed in the fourth through hole and a sealing rod fitted in the sealing cap.
As a preferable technical solution of the present invention, the outermost end of the sealing rod is provided with a handle.
In a preferred embodiment of the present invention, a spacer is provided between the lower end of the inner body and the connecting body.
The invention has the beneficial effects that: (1) according to the anti-freezing pressure measuring device for the gas field, disclosed by the invention, the pressure in the system can push the piston to move upwards, and the anti-freezing liquid between the piston and the inner body can be pushed into the receiving end of the pressure measuring instrument in the process of moving the piston upwards, so that the gas field pressure test is completed, the problem that the condensate liquid in the system is easy to freeze when being in direct contact with the pressure measuring instrument is avoided, and the accuracy of a test result and the safety of the pressure measuring instrument can be ensured; (2) according to the anti-freezing pressure measuring device for the gas field, disclosed by the invention, the anti-freezing solution is also filled between the shell and the inner body, the inner body can be insulated through the anti-freezing solution, and the condensate liquid flowing into the lower part of the piston in the inner body can be prevented from freezing due to too low temperature; (3) the anti-freezing pressure measuring device for the gas field is simple in overall structure, easy to manufacture, stable in structure and good in market popularization and application prospect.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural view of an anti-freezing pressure measuring device for a gas field according to the present invention.
In the figure: 1. the pressure measuring device comprises a shell, 2, a first connector, 3, a second connector, 4, a pressure measuring instrument, 5, a sealing plug, 6, an inner body, 7, a piston, 8, a connector, 9, a sealing rod, 10, a handle, 11, a sealing cover, 12, a gasket, 13, a sealing ring and 14, and a locking nut.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, if there are first and second described only for the purpose of distinguishing technical features, it is not understood that relative importance is indicated or implied or that the number of indicated technical features or the precedence of the indicated technical features is implicitly indicated or implied.
In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.
As shown in FIG. 1, the anti-freezing pressure measuring device for gas field of the present invention comprises a housing 1, an inner body 6, a pressure measuring instrument 4 and a piston 7. Wherein: the inner body 6 is arranged in the shell 1, and anti-freezing liquid is filled between the shell 1 and the inner body 6; the receiving end of the pressure measuring instrument 4 is inserted into the inner body 6; a piston 7 is disposed in the inner body 6, and an antifreeze solution is filled between an upper end of the piston 7 and a top of the inner body 6.
When the pressure testing device is used, the lower end of the shell 1 can be communicated with an oil pipe short section in a system, when the pressure testing device works, the pressure in the system can move upwards by pushing the piston 7, the piston 7 extrudes the anti-freezing solution at the upper end of the piston, and the anti-freezing solution enters the receiving end of the pressure measuring instrument 4 to complete the pressure testing. The problem that condensate in the system is directly contacted with the pressure measuring instrument 4 and is easy to freeze under the condition of low temperature is avoided. Further, the antifreeze is also filled between the housing 1 and the inner body 6, and the inner body can be kept warm by the antifreeze, so that the condensate flowing into the inner body 6 below the piston 7 can be prevented from freezing due to an excessively low temperature.
As shown in fig. 1, in the antifreeze pressure measuring apparatus for gas field of the present invention, a first connector 2 is provided at an upper end of an inner body 6, a first through hole is provided in the first connector 2, the first connector 2 is protruded from a top of a housing 1, and a receiving end of a pressure measuring instrument 4 is provided in the first through hole.
The antifreeze solution above the piston 7 can be delivered to the receiving end of the pressure measuring instrument 4 through the first through hole, so that the pressure test is completed.
As shown in fig. 1, in an anti-freezing pressure measuring device for gas fields of the present invention, a lock nut 14 is provided on the outside of the first connector 2.
The locking nut 14 is assembled outside the first connector 2 in a threaded manner, so that the first connector 3 can be positioned and fixed, and the installation is convenient.
As shown in fig. 1, in the anti-freezing pressure measuring device for gas field of the present invention, the receiving end of the pressure measuring instrument 4 is provided with the second connector 3, the second connector 3 is provided with the second through hole, and the lower end of the second connector 3 is disposed in the first connector 2.
The second through hole is communicated with the first through hole, and the lower end thread of the second connector 3 is assembled in the second through hole, so that the assembly and disassembly are convenient. When the antifreeze solution needs to be supplemented in the inner body 6, the pressure measuring instrument 4 is taken down, and the antifreeze solution is added from the second through hole.
As shown in fig. 1, in the anti-freezing pressure measuring device for gas field of the present invention, an oil filling port is provided at the top of a housing 1, and a sealing plug 5 is provided in the oil filling port.
The sealing plug 5 is detached, and the anti-freezing liquid can be added into the shell 1 from the oil filling opening.
As shown in fig. 1, in the anti-freezing pressure measuring device for gas field of the present invention, a connecting body 8 is provided at the lower end of the housing 1, the upper end of the connecting body 8 extends into the inner body 6, and a third through hole is provided in the connecting body 8.
The lower end of the connector 8 is connected to the oil pipe, the upper end of the third through hole is communicated with the inner body 7, the lower end of the third through hole is communicated with the oil pipe, and the connection between the shell 1 and the inner body 6 and the oil pipe can be realized through the connector.
As shown in fig. 1, in the anti-freezing pressure measuring device for gas fields of the present invention, a fourth through hole is provided at a side portion of the connecting body 8, the fourth through hole communicates with the third through hole, and an air release valve is provided in the fourth through hole.
The pressure can be regulated by means of a blow valve in order to discharge the oil between the connecting body 12 and the piston 8.
As shown in fig. 1, in an anti-freezing pressure measuring device for gas fields of the present invention, the vent valve comprises a sealing cap 11 and a sealing rod 9, the sealing cap 11 is disposed in the fourth through hole, the sealing rod 9 is fitted in the sealing cap 11, and the outermost end of the sealing rod 9 is provided with a handle 10.
The adjustment of the pressure between the connecting body 12 and the piston 8 can be achieved by screwing the handle 10 at the outer end of the sealing rod 9.
As shown in fig. 1, in the anti-freezing pressure measuring device for gas field of the present invention, a gasket 12 is disposed between the lower end of the inner body 6 and the connecting body 8, which has a buffering function to prevent the inner body 6 and the connecting body 12 from colliding with each other to cause damage and oil leakage.
As shown in fig. 1, in the anti-freezing pressure measuring device for gas field of the present invention, sealing rings 13 are disposed between the piston 7 and the inner body 6, between the first connecting body 2 and the housing 1, between the connecting body 8 and the housing 1, and between the sealing rod 9 and the fourth through hole, and have a function of preventing the pressure or the anti-freezing fluid in the system from leaking.
In summary, according to the anti-freezing pressure measuring device for the gas field, pressure in the system pushes the piston to move upwards, and the anti-freezing liquid between the piston and the inner body is pushed into the receiving end of the pressure measuring instrument in the process of moving upwards of the piston, so that the pressure test in the system is completed, the problem that the condensate is easy to freeze when directly contacting with the pressure measuring instrument is avoided, and the accuracy of the test result and the safety of the pressure measuring instrument can be ensured. In addition, according to the anti-freezing pressure measuring device for the gas field, the anti-freezing liquid is filled between the shell and the inner body, the inner body can be insulated by the anti-freezing liquid, and condensate liquid flowing into the inner body and below the piston can be prevented from freezing due to low temperature. In addition, the anti-freezing pressure measuring device for the gas field is simple in overall structure, easy to manufacture, stable in structure and good in market popularization and application prospect.
While the foregoing description shows and describes several preferred embodiments of the invention, it is to be understood, as noted above, that the invention is not limited to the forms disclosed herein, but is not to be construed as excluding other embodiments and is capable of use in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. The utility model provides a gas field is with pressure measurement device that prevents frostbite which characterized in that includes:
a housing (1);
an inner body (6), wherein the inner body (6) is arranged in the shell (1), and an anti-freezing solution is filled between the shell (1) and the inner body (6);
a pressure measuring instrument (4), wherein the receiving end of the pressure measuring instrument (4) is inserted into the inner body (6);
and the piston (7) is arranged in the inner body (6), and anti-freezing liquid is filled between the upper end of the piston (7) and the top of the inner body (6).
2. The anti-freezing pressure measuring device for gas fields according to claim 1, wherein the upper end of the inner body (6) is provided with a first connecting head (2), a first through hole is arranged in the first connecting head (2), the first connecting head (2) extends out from the top of the outer shell (1), and the receiving end of the pressure measuring instrument (4) is arranged in the first through hole.
3. Anti-freeze pressure tap for gas fields according to claim 2, characterized in that the exterior of the first connector (2) is provided with a locking nut (14).
4. The anti-freezing pressure measuring device for the gas field according to claim 3, wherein a second connector (3) is arranged at the receiving end of the pressure measuring instrument (4), a second through hole is arranged in the second connector (3), and the lower end of the second connector (3) is arranged in the first connector (2).
5. The anti-freezing pressure measuring device for the gas field according to claim 4, characterized in that an oil filling port is arranged at the top of the housing (1), and a sealing plug (5) is arranged in the oil filling port.
6. The anti-freezing pressure measuring device for the gas field according to claim 5, wherein a connecting body (8) is arranged at the lower end of the outer shell (1), the upper end of the connecting body (8) extends into the inner body (6), and a third through hole is arranged in the connecting body (8).
7. The anti-freezing pressure measuring device for the gas field according to claim 6, wherein a fourth through hole is arranged on the side of the connecting body (8), the fourth through hole is communicated with the third through hole, and an air release valve is arranged in the fourth through hole.
8. The antifreeze pressure measuring apparatus for gas fields according to claim 7, wherein the blow-off valve comprises a sealing cover (11) and a sealing rod (9), the sealing cover (11) is disposed in the fourth through hole, and the sealing rod (9) is fitted in the sealing cover (11).
9. Anti-freezing pressure measuring device for gas fields according to claim 8, characterized in that the outermost end of the sealing rod (9) is provided with a handle (10).
10. The anti-freezing pressure measuring device for gas fields according to claim 9, wherein a gasket (12) is provided between the lower end of the inner body (6) and the connecting body (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110675181.8A CN113431558A (en) | 2021-06-17 | 2021-06-17 | Gas field is with pressure measurement device that prevents frostbite |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110675181.8A CN113431558A (en) | 2021-06-17 | 2021-06-17 | Gas field is with pressure measurement device that prevents frostbite |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113431558A true CN113431558A (en) | 2021-09-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110675181.8A Pending CN113431558A (en) | 2021-06-17 | 2021-06-17 | Gas field is with pressure measurement device that prevents frostbite |
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| Country | Link |
|---|---|
| CN (1) | CN113431558A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114964566A (en) * | 2022-05-18 | 2022-08-30 | 北京雷神博峰信息技术有限责任公司 | Anti-freezing wide-pressure detection device |
-
2021
- 2021-06-17 CN CN202110675181.8A patent/CN113431558A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114964566A (en) * | 2022-05-18 | 2022-08-30 | 北京雷神博峰信息技术有限责任公司 | Anti-freezing wide-pressure detection device |
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