CN215767772U - Sampling tool for pilot production of oil-water-gas well - Google Patents
Sampling tool for pilot production of oil-water-gas well Download PDFInfo
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- CN215767772U CN215767772U CN202120905130.5U CN202120905130U CN215767772U CN 215767772 U CN215767772 U CN 215767772U CN 202120905130 U CN202120905130 U CN 202120905130U CN 215767772 U CN215767772 U CN 215767772U
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- valve
- tank body
- gas
- liquid
- sampling
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- 238000005070 sampling Methods 0.000 title claims abstract description 52
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 13
- 239000007788 liquid Substances 0.000 claims abstract description 51
- 239000010865 sewage Substances 0.000 claims abstract description 13
- 238000010992 reflux Methods 0.000 claims abstract description 10
- 238000002347 injection Methods 0.000 claims abstract description 4
- 239000007924 injection Substances 0.000 claims abstract description 4
- 238000011010 flushing procedure Methods 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims 1
- 239000007789 gas Substances 0.000 abstract description 70
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 abstract description 20
- 229910052786 argon Inorganic materials 0.000 abstract description 10
- 239000000126 substance Substances 0.000 abstract description 10
- 239000000203 mixture Substances 0.000 abstract description 7
- 239000000567 combustion gas Substances 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 3
- 238000003556 assay Methods 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000004458 analytical method Methods 0.000 description 3
- 239000003129 oil well Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
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- Sampling And Sample Adjustment (AREA)
Abstract
The utility model provides a sampling tool for pilot production of an oil-water-gas well. Relates to the technical field of oil field trial production tools. The bottom of the tank body is provided with a drain valve which is connected with the sewage draining tank, and the upper part of the drain valve is connected with an air inlet valve; the lower part of the tank body is provided with a sample injection valve, the middle part of the tank body is provided with a liquid sampling tube, the liquid sampling tube is respectively connected with a liquid sampling valve and a liquid reflux valve, the top of the tank body is provided with an exhaust valve, the exhaust valve is communicated with a pipeline at the top of the tank body and is connected with a gas sampling valve, a quick connector, a gas cylinder cut-off valve and a gas cylinder, an elastic diaphragm is arranged in the gas cylinder, and the upper part of the gas cylinder is provided with a pressure gauge; a window is arranged on the tank body. The utility model has the following beneficial effects: set up jar body and window, take out the liquid part in the oil gas well under the liquid level of liquid, through let in argon gas replacement air at jar internal, guaranteed the accuracy of well head combustion gas sample, because argon gas chemical property is stable, do not participate in the process of chemical change when chemical examination gas composition, the interior exhaust gas composition of assay well that can be clear.
Description
The technical field is as follows:
the utility model relates to the technical field of oil field pilot production tools, in particular to a sampling tool for pilot production of an oil-water-gas well.
Background art:
the oil and gas well sampling is a conventional oil and gas well production metering analysis and output analysis research work, a well head sampling device on the market is usually only suitable for taking an oil sample or a gas sample with higher purity, a gas well with higher oil content is taken by using the well head gas sampling device, or an oil well with higher gas content is taken by using a well head liquid sampling device, the sampling effect is not ideal, the operation is inconvenient, and potential safety hazards exist;
in actual production, oil wells containing gas and gas wells containing oil are common, so that a well mouth sampling device of the oil and gas wells capable of taking oil and gas is urgently needed.
The utility model has the following contents:
in order to solve the problems, the utility model provides a sampling tool for a trial production oil-water-gas well.
The technical scheme of the utility model is as follows: a sampling tool for pilot production of oil-water-gas wells comprises a tank body, wherein the tank body is a cylindrical closed metal container with upper and lower end sockets, the tank body is arranged on a base, a blow-off box is arranged at the lower part of the tank body, a drain valve is arranged at the bottom of the tank body and connected to the upper part of the blow-off box through a pipeline, and an air inlet valve is connected to the upper part of the drain valve and connected to the upper part of the tank body through a pipeline;
the lower part of the tank body is provided with a sample injection valve, the middle part of the tank body is provided with a liquid sampling pipe, the liquid sampling pipe is respectively connected with a liquid sampling valve and a liquid reflux valve, and the liquid reflux valve is connected with the upper part of the blow-off box through a pipeline;
the top of the tank body is provided with an exhaust valve, the exhaust valve is communicated with a gas sampling valve beside a pipeline at the top of the tank body, the rear side of the gas sampling valve is connected with a gas cylinder cut-off valve through a quick connector, the gas cylinder cut-off valve is connected with a gas cylinder, an elastic diaphragm is arranged in the gas cylinder to divide the gas cylinder into two closed spaces from top to bottom, and the upper closed space of the gas cylinder is provided with a pressure gauge;
a window is arranged on the side wall of the cylinder of the tank body, and the height direction of the window covers the height range of the liquid sampling tube.
The upper part of the tank body is provided with a flushing valve, and the bottom of the sewage draining box is provided with a sewage draining valve.
The utility model has the following beneficial effects: set up jar body and window, observe the gas-liquid interface, take out the liquid part in the oil gas well under the liquid level of liquid, through letting in argon gas replacement air at the internal jar, guaranteed the accuracy of well head combustion gas sample, because argon gas chemical property is stable, does not participate in the process of chemical change when chemical examination gas composition, the interior exhaust gas composition of assay well that can be clear.
Description of the drawings:
fig. 1 is a schematic structural view of the present invention.
In the figure, 1-tank body, 2-window, 3-sample introduction valve, 4-blow-off box, 5-liquid discharge valve, 6-liquid sampling pipe, 7-liquid reflux valve, 8-liquid sampling valve, 9-gas sampling valve, 10-quick joint, 11-gas cylinder cut-off valve, 12-gas cylinder, 13-exhaust valve, 14-diaphragm, 15-pressure gauge, 16-blow-off valve, 17-base, 18-flushing valve and 19-air inlet valve.
The specific implementation mode is as follows:
the utility model will be further described with reference to the accompanying drawings in which:
as shown in figure 1, the sampling tool for the pilot production oil-water-gas well comprises a tank body 1, wherein the tank body 1 is a cylindrical closed metal container with upper and lower end enclosures, the tank body 1 is arranged on a base 17, a sewage discharge tank 4 is arranged at the lower part of the tank body 1, a liquid discharge valve 5 is arranged at the bottom of the tank body 1 and is connected to the upper part of the sewage discharge tank 4 through a pipeline, and an air inlet valve 19 is connected to the upper part of the liquid discharge valve 5 and is connected to the pipeline of the tank body 1;
the lower part of the tank body 1 is provided with a sample injection valve 3, the middle part is provided with a liquid sampling pipe 6, the liquid sampling pipe 6 is respectively connected with a liquid sampling valve 8 and a liquid reflux valve 7, and the liquid reflux valve 7 is connected with the upper part of the blow-off box 4 through a pipeline;
the top of the tank body 1 is provided with an exhaust valve 13, the exhaust valve 13 is communicated with a gas sampling valve 9 beside a pipeline at the top of the tank body 1, the rear side of the gas sampling valve 9 is connected with a gas cylinder cut-off valve 11 through a quick connector 10, the gas cylinder cut-off valve 11 is connected with a gas cylinder 12, an elastic diaphragm 14 is arranged in the gas cylinder 12 to divide the gas cylinder 12 into two closed spaces from top to bottom, and the upper closed space of the gas cylinder 12 is provided with a pressure gauge 15;
the cylinder lateral wall of the tank body 1 is provided with a window 2, and the height direction of the window 2 covers the height range of the liquid sampling tube 6.
The upper part of the tank body 1 is provided with a flushing valve 18, the flushing valve 18 is used for entering flushing liquid to clean the tank body 1, residual liquid after cleaning is discharged through a liquid discharge valve 5, and the bottom of the sewage discharge box 4 is provided with a sewage discharge valve 16 for discharging sewage from the sewage discharge box 4.
When the gas sampling device is actually used, all valves of the cleaned tank body 1 are closed, the exhaust valve 13 is opened, argon is introduced through the air inlet valve 19 to replace air in the tank body 1, the air inlet valve 19 is closed, the sampling valve 3 is butted with a sampling port of an oil-gas well, the sampling valve 3 is opened, a sample in the oil-gas well enters the tank body 1, the argon in the tank body 1 is discharged through the exhaust valve 13 along with the rise of the liquid level in the tank body 1, the observation window 2 is observed, after the liquid level is higher than the liquid sampling tube 6, the exhaust valve 13 is closed, the gas sampling valve 9 and the gas bottle cut-off valve 11 are opened, the sample continues to enter the tank body 1 under the action of the pressure in the oil-gas well, the pressure in the tank body 1 rises, the gas in the sample and the residual argon in the original tank body 1 enter the gas bottle 12 to drive the diaphragm 14 in the gas bottle 12 to deform and rise, the value of the pressure gauge 15 rises similarly, and when the pressure gauge 15 rises to a set value, it is enough to explain the gas sample volume, close sampling valve 3 this moment, gas sampling valve 9 and gas cylinder trip valve 11, the gas in the gas cylinder 12 is sealed in gas cylinder 12, open quick-operation joint 10, take off gas cylinder 12, it carries out the gas composition chemical examination to transport the laboratory, let in argon gas replacement air in jar body 1, the accuracy of well head combustion gas sample has been guaranteed, because argon gas chemical property is stable, do not participate in the process of chemical change when chemical composition is examined, the gas composition of discharge in the well head is examined in a clear way.
Open liquid reflux valve 7 and discharge valve 13, jar internal 1 and atmosphere intercommunication, liquid reflux valve 7 discharges and remains the liquid entering blow off case 4 in the pipeline in order to guarantee the accuracy of sample, then opens liquid sampling valve 8, and the liquid that takes out gets into the sampling bucket and carries out the analysis.
After the sampling is finished, the liquid discharge valve 5 is opened to discharge the residual liquid in the tank body 1, the tank body 1 is washed, and argon is introduced to prepare for next sampling work.
Claims (2)
1. The utility model provides a trial production profit gas well sampling tool, includes jar body (1), its characterized in that: the tank body (1) is a cylindrical closed metal container with sealing heads at the upper part and the lower part, the tank body (1) is arranged on a base (17), a sewage draining box (4) is arranged at the lower part of the tank body (1), a liquid draining valve (5) is arranged at the bottom of the tank body (1) and is connected to the upper part of the sewage draining box (4) through a pipeline, and an air inlet valve (19) is connected to the upper part of the liquid draining valve (5) and is connected to the side of the pipeline of the tank body (1);
the lower part of the tank body (1) is provided with a sample injection valve (3), the middle part is provided with a liquid sampling pipe (6), the liquid sampling pipe (6) is respectively connected with a liquid sampling valve (8) and a liquid reflux valve (7), and the liquid reflux valve (7) is connected with the upper part of the blow-off box (4) through a pipeline;
the top of the tank body (1) is provided with an exhaust valve (13), the exhaust valve (13) is communicated with a gas sampling valve (9) beside a pipeline at the top of the tank body (1), the rear side of the gas sampling valve (9) is connected with a gas cylinder cut-off valve (11) through a quick connector (10), the gas cylinder cut-off valve (11) is connected with a gas cylinder (12), an elastic diaphragm (14) is arranged in the gas cylinder (12) to divide the gas cylinder (12) into two closed spaces up and down, and a pressure gauge (15) is arranged in the closed space at the upper part of the gas cylinder (12);
a window (2) is arranged on the side wall of the cylinder of the tank body (1), and the height direction of the window (2) covers the height range of the liquid sampling tube (6).
2. The pilot production oil-water-gas well sampling tool as claimed in claim 1, wherein: the upper part of the tank body (1) is provided with a flushing valve (18), and the bottom of the sewage draining box (4) is provided with a sewage draining valve (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120905130.5U CN215767772U (en) | 2021-04-28 | 2021-04-28 | Sampling tool for pilot production of oil-water-gas well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120905130.5U CN215767772U (en) | 2021-04-28 | 2021-04-28 | Sampling tool for pilot production of oil-water-gas well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215767772U true CN215767772U (en) | 2022-02-08 |
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ID=80096245
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120905130.5U Active CN215767772U (en) | 2021-04-28 | 2021-04-28 | Sampling tool for pilot production of oil-water-gas well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215767772U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116147991A (en) * | 2023-04-18 | 2023-05-23 | 湖北工业大学 | Water environment pollution sampling device |
-
2021
- 2021-04-28 CN CN202120905130.5U patent/CN215767772U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116147991A (en) * | 2023-04-18 | 2023-05-23 | 湖北工业大学 | Water environment pollution sampling device |
| CN116147991B (en) * | 2023-04-18 | 2023-07-21 | 湖北工业大学 | Water environment pollution sampling device |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231220 Address after: 430000, No. 565, 5th Floor, Taojialing Industrial Park Comprehensive Building, Taojialing Community, Longyang Street, Hanyang District, Wuhan City, Hubei Province Patentee after: Wuhan Yanye Technology Co.,Ltd. Address before: 163000 qianlonggang community, Ranghulu District, Daqing City, Heilongjiang Province 2-11-4-301 Patentee before: Guo Ji |
|
| TR01 | Transfer of patent right |