CN109946118B - Portable oil-gas-water sampling device - Google Patents
Portable oil-gas-water sampling device Download PDFInfo
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- CN109946118B CN109946118B CN201910223464.1A CN201910223464A CN109946118B CN 109946118 B CN109946118 B CN 109946118B CN 201910223464 A CN201910223464 A CN 201910223464A CN 109946118 B CN109946118 B CN 109946118B
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- 238000005070 sampling Methods 0.000 title claims abstract description 69
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 52
- 239000007788 liquid Substances 0.000 claims abstract description 47
- 238000002347 injection Methods 0.000 claims abstract description 18
- 239000007924 injection Substances 0.000 claims abstract description 18
- 238000000605 extraction Methods 0.000 claims abstract description 9
- 238000012856 packing Methods 0.000 claims description 11
- 238000009434 installation Methods 0.000 claims 1
- 239000012535 impurity Substances 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 16
- 238000004458 analytical method Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 2
- 239000003129 oil well Substances 0.000 description 2
- RGCLLPNLLBQHPF-HJWRWDBZSA-N phosphamidon Chemical compound CCN(CC)C(=O)C(\Cl)=C(/C)OP(=O)(OC)OC RGCLLPNLLBQHPF-HJWRWDBZSA-N 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Abstract
The invention relates to the technical field of oil-gas-water sampling devices, and discloses a portable oil-gas-water sampling device, which comprises a mounting frame and a main cavity, wherein support plates are fixedly arranged in the mounting frame, connecting plates are fixedly arranged at two sides of the main cavity, and the support plates are sleeved on the main cavity and fixedly connected with the connecting plates; an exhaust joint is arranged at the top of the main cavity, the exhaust joint is communicated with a proportional unloading valve through an air pipe, the proportional unloading valve is communicated with an exhaust valve through the air pipe, and the exhaust valve is communicated with an exhaust interface through the air pipe; the bottom of the main cavity is fixedly provided with a water sample joint, the water sample joint is communicated with a sampling valve through a water pipe, and the sampling valve is communicated with a liquid sample extraction hand pump through a water pipe; and a sample injection connector, an air taking connector and a liquid level control connector are fixedly arranged on the side wall of the main cavity. The invention can obtain gas samples, water samples and oil samples in the oil-gas field, ensures that the oil samples are not polluted by impurities such as outside air and the like in the sampling and separating process, and is convenient to carry and use.
Description
Technical Field
The invention relates to the technical field of oil-gas-water sampling devices, in particular to a portable oil-gas-water sampling device.
Background
Well sampling is a conventional work of well production metering analysis and production analysis and research, and almost all oil fields have been conventionally lofted by controlling wellhead gates. Because the fluid produced by the wellhead contains associated gas, oil and water, when the sampling gate is opened to reduce the pressure for lofting, the gas or crude oil can expand rapidly and be released preferentially, so that severe splashing is caused during sampling, well sites, equipment and personnel can be polluted, and even people are injured, so that the gate opening degree is very small during lofting of oil extraction workers. However, the gate is opened to a small extent, so that the discharged product is easy to enter air or other impurities, the gas-oil ratio in the oil well product cannot be accurately represented, or the result of analysis research is deviated to a certain extent due to the oil-water ratio, great difficulty is brought to production management and analysis of the application effect of the new technology, and the sampling device in the prior art generally comprises a plurality of devices and is inconvenient to carry.
Disclosure of Invention
The invention aims to solve the problems that the sampled output in the prior art cannot accurately represent the gas-oil ratio or the oil-water ratio in the oil well output and sampling equipment is inconvenient to carry, and provides a portable oil-gas-water sampling device.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the portable oil-gas-water sampling device comprises a mounting frame and a main cavity, wherein a supporting plate is fixedly arranged in the mounting frame, connecting plates are fixedly arranged on two sides of the main cavity, and the supporting plate is sleeved on the main cavity and is fixedly connected with the connecting plates; an exhaust joint is arranged at the top of the main cavity, the exhaust joint is communicated with a proportional unloading valve through an air pipe, the proportional unloading valve is communicated with an exhaust valve through the air pipe, and the exhaust valve is communicated with an exhaust interface through the air pipe; the bottom of the main cavity is fixedly provided with a water sample connector, the water sample connector is communicated with a sampling valve through a water pipe, and the sampling valve is communicated with a liquid sample extraction hand pump through the water pipe; the side wall of the main cavity is fixedly provided with a sample injection joint, an air taking joint and a liquid level control joint, the sample injection joint is communicated with a sample injection valve through an oil pipe, and the sample injection valve is communicated with a sample injection interface through the oil pipe; the air taking connector is communicated with an air taking valve through an air pipe, and the air taking valve is communicated with an air taking interface through the air pipe; the liquid level control joint is communicated with a liquid level control valve through an oil pipe, and the liquid level control valve is communicated with a liquid level control hand pump through the oil pipe.
Preferably, the top of mounting bracket fixed mounting has the apron, the middle part of apron is seted up and is kept away the position hole corresponding with the main cavity phase, get gas interface fixed mounting on the apron.
Preferably, a first mounting plate is fixedly mounted on one side of the mounting frame, and the exhaust valve, the sampling valve, the air taking valve and the liquid level control valve are fixedly mounted on the first mounting plate.
Preferably, the second mounting plate is installed on one side of the mounting frame, the third mounting plate is installed on the other side of the mounting frame, the sample inlet port is fixedly installed on the second mounting plate, and the exhaust port is fixedly installed on the third mounting plate.
Preferably, a pressure gauge connector is fixedly arranged on one side of the main cavity, and the pressure gauge connector is communicated with a pressure gauge through an air pipe.
Preferably, a filter element is arranged in the main cavity, random packing is filled in the filter element, and the random packing comprises a Dixon packing and a triangle spiral packing.
Preferably, the output end of the liquid sample pumping hand pump is in threaded connection with a first sampling bottle, and the output end of the liquid level control hand pump is in threaded connection with a second sampling bottle.
Compared with the prior art, the invention provides a portable oil-gas-water sampling device, which has the following beneficial effects:
1. according to the portable oil-gas-water sampling device, the exhaust connector, the water sample connector, the sample introduction connector, the gas taking connector and the liquid level control connector are arranged on the main cavity, so that a gate can be directly opened during sampling, sampled fluid is introduced into the main cavity, severe splashing of the sample, pollution to well sites, equipment and human bodies and even hurt of people can be avoided, and impurities such as external air can be prevented from entering the sample during sampling, and the detection result of the sample is influenced; the proportional unloading valve, the exhaust valve, the sampling valve, the liquid sample extracting hand pump, the sample feeding valve, the gas taking valve, the liquid level control valve and the liquid level control hand pump are integrated on one device, so that the sampling device is convenient to carry and use.
The device has the advantages that the non-related parts are the same as or can be realized by adopting the prior art, the gas sample, the water sample and the oil sample in the oil-gas field can be obtained, the pollution caused by impurities such as external air and the like in the sampling and separating process is avoided, the substances in the reaction pipeline of which the sample cannot be accurately reacted are avoided, and the device is convenient to carry and use.
Drawings
FIG. 1 is a schematic diagram of a portable oil-gas-water sampling device according to the present invention;
FIG. 2 is a front view of a portable oil, gas and water sampling apparatus according to the present invention;
FIG. 3 is a rear view of a portable oil, gas and water sampling apparatus according to the present invention;
FIG. 4 is a schematic structural diagram of a main cavity of a portable oil-gas-water sampling device according to the present invention;
fig. 5 is a schematic diagram of the internal structure of the main cavity of the portable oil-gas-water sampling device according to the present invention.
In the figure: 1 mounting bracket, 2 main cavity, 3 backup pad, 4 connecting plates, 5 exhaust joint, 6 proportion unloading valve, 7 exhaust valve, 8 exhaust interface, 9 water sample joints, 10 sampling valve, 11 liquid sample extraction hand pump, 12 sampling joint, 13 gas sampling joint, 14 liquid level control joint, 15 sampling valve, 16 sampling interface, 17 gas sampling valve, 18 gas sampling interface, 19 liquid level control valve, 20 liquid level control hand pump, 21 apron, 22 first mounting plate, 23 second mounting plate, 24 third mounting plate, 25 manometer joint, 26 manometer, 27 filter core, 28 first sample bottle, 29 second sample bottle.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
In the description of the present invention, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Referring to fig. 1-5, a portable oil-gas-water sampling device comprises a mounting frame 1 and a main cavity 2, wherein the specification of the mounting frame 1 is 310mm 220mm 300mm, the capacity of the main cavity 2 is 1L, the miniaturization of the sampling device can be realized, the portability of the sampler is further improved, a supporting plate 3 is fixedly arranged in the mounting frame 1, connecting plates 4 are fixedly arranged at two sides of the main cavity 2, and the supporting plate 3 is sleeved on the main cavity 2 and fixedly connected with the connecting plates 4; the top of the main cavity 2 is provided with an exhaust joint 5, the exhaust joint 5 is communicated with a proportional unloading valve 6 through an air pipe for preventing overpressure, the proportional unloading valve 6 is communicated with an exhaust valve 7 through the air pipe, and the exhaust valve 7 is communicated with an exhaust interface 8 through the air pipe; the bottom of the main cavity 2 is fixedly provided with a water sample joint 9, the water sample joint 9 is communicated with a sampling valve 10 through a water pipe, and the sampling valve 10 is communicated with a liquid sample extraction hand pump 11 through the water pipe; the side wall of the main cavity 2 is fixedly provided with a sample injection joint 12, an air taking joint 13 and a liquid level control joint 14, the sample injection joint 12 is communicated with a sample injection valve 15 through an oil pipe, and the sample injection valve 15 is communicated with a sample injection interface 16 through the oil pipe; the gas taking connector 13 is communicated with a gas taking valve 17 through a gas pipe, the gas taking valve 17 is communicated with a gas taking interface 18 through the gas pipe, and the gas taking interface 18 is used for connecting a detection pipe or a suction pump so as to detect or sample the gas in the main cavity 2; the liquid level control joint 14 is communicated with a liquid level control valve 19 through an oil pipe, and the liquid level control valve 19 is communicated with a liquid level control hand pump 20 through the oil pipe.
The top of the mounting frame 1 is fixedly provided with a cover plate 21, the middle part of the cover plate 21 is provided with a position avoidance hole corresponding to the main cavity 2, and the air taking interface 18 is fixedly arranged on the cover plate 21.
A first mounting plate 22 is fixedly arranged on one side of the mounting frame 1, and the exhaust valve 7, the sampling valve 10, the air taking valve 17 and the liquid level control valve 19 are fixedly arranged on the first mounting plate 22.
A second mounting plate 23 is mounted on one side of the mounting frame 1, a third mounting plate 24 is mounted on the other side, the sample inlet 16 is fixedly mounted on the second mounting plate 23, and the exhaust interface 8 is fixedly mounted on the third mounting plate 24.
One side of the main cavity 2 is fixedly provided with a pressure gauge joint 25, and the pressure gauge joint 25 is communicated with a pressure gauge 26 through an air pipe, so that the pressure in the main cavity 2 can be visually seen.
The filter element 27 is arranged in the main cavity 2, random packing is filled in the filter element 27, and the random packing comprises a Dixon packing and a triangular spiral packing, so that oil-water separation is realized.
The output end of the liquid sample pumping hand pump 11 is in threaded connection with a first sampling bottle 28, and the output end of the liquid level control hand pump 20 is in threaded connection with a second sampling bottle 29.
In the invention, when in use, the equipment is firstly checked, all the joints are fastened, the first sampling bottle 28 and the second sampling bottle 29 are installed, the sampling valve 15 is closed, the exhaust valve 7 is opened, then a hose is connected to the exhaust port 8, the tail end of the hose is placed in a container or other positions capable of collecting greasy dirt, then the sampling joint 12 of the sampler is connected with the joint on a pipeline to be sampled by using other hoses, then the sampling valve 15 of the sampler is opened for two circles, then the valve on the pipeline is slowly opened, the severe splashing of the sample, the pollution to well sites, equipment and personnel, even the hurt of people can be prevented by the structure, the hose connected to the exhaust port 8 is observed, closing a valve on a pipeline until liquid flows out, then closing a sample injection valve 15, closing an exhaust valve 7, opening a liquid level control valve 19, pulling a liquid level control hand pump 20 until no liquid flows in the hand pump, closing the liquid level control valve 19 for 5-10 minutes, connecting a detection pipe or an exhaust pump with a gas taking joint 13 of the sampler when the gas and the liquid are balanced again due to pressure change, opening the gas taking valve 18, testing or taking gas, opening the sampling valve 10, pulling a liquid sample extraction hand pump 11, collecting water samples, opening the exhaust valve 7 after sampling is completed, confirming that the valve on the pipeline is closed, opening the sample injection valve 15, checking a pressure gauge 26, and disassembling a hose connected with the joint on the pipeline after confirming that no pressure exists; when cleaning is needed, the air pipe at the top exhaust port 8 is taken down, the water pipe at the water sample port 9 is taken down, then hot water with the temperature higher than 60 ℃ is introduced from the exhaust port 8 for flushing, a container is arranged below the water sample port 9 for receiving cleaned sewage until the discharged sewage no longer contains greasy dirt, and the proportional unloading valve 6, the exhaust valve 7, the sampling valve 10, the liquid sample extraction hand pump 11, the sampling valve 15, the air taking valve 17, the liquid level control valve 19 and the liquid level control hand pump 20 are integrated on one device, so that the sampling device is convenient to carry and use.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (7)
1. The portable oil-gas-water sampling device comprises a mounting frame (1) and a main cavity (2), and is characterized in that a supporting plate (3) is fixedly arranged in the mounting frame (1), connecting plates (4) are fixedly arranged at two sides of the main cavity (2), and the supporting plate (3) is sleeved on the main cavity (2) and fixedly connected with the connecting plates (4); an exhaust joint (5) is arranged at the top of the main cavity (2), the exhaust joint (5) is communicated with a proportional unloading valve (6) through an air pipe, the proportional unloading valve (6) is communicated with an exhaust valve (7) through the air pipe, and the exhaust valve (7) is communicated with an exhaust interface (8) through the air pipe; the bottom of the main cavity (2) is fixedly provided with a water sample joint (9), the water sample joint (9) is communicated with a sampling valve (10) through a water pipe, and the sampling valve (10) is communicated with a liquid sample extraction hand pump (11) through a water pipe; a sample injection joint (12), an air taking joint (13) and a liquid level control joint (14) are fixedly arranged on the side wall of the main cavity (2), the sample injection joint (12) is communicated with a sample injection valve (15) through an oil pipe, and the sample injection valve (15) is communicated with a sample injection interface (16) through the oil pipe; the air taking connector (13) is communicated with an air taking valve (17) through an air pipe, and the air taking valve (17) is communicated with an air taking interface (18) through the air pipe; the liquid level control joint (14) is communicated with a liquid level control valve (19) through an oil pipe, and the liquid level control valve (19) is communicated with a liquid level control hand pump (20) through the oil pipe.
2. The portable oil-gas-water sampling device according to claim 1, wherein a cover plate (21) is fixedly installed at the top of the installation frame (1), a position avoidance hole corresponding to the main cavity (2) is formed in the middle of the cover plate (21), and the gas taking interface (18) is fixedly installed on the cover plate (21).
3. The portable oil-gas-water sampling device according to claim 1, wherein a first mounting plate (22) is fixedly mounted on one side of the mounting frame (1), and the exhaust valve (7), the sampling valve (10), the gas taking valve (17) and the liquid level control valve (19) are fixedly mounted on the first mounting plate (22).
4. A portable oil-gas-water sampling device according to claim 1, characterized in that the second mounting plate (23) is mounted on one side of the mounting frame (1), and the third mounting plate (24) is mounted on the other side, the sample inlet (16) is fixedly mounted on the second mounting plate (23), and the exhaust interface (8) is fixedly mounted on the third mounting plate (24).
5. The portable oil-gas-water sampling device according to claim 1, wherein a pressure gauge joint (25) is fixedly arranged on one side of the main cavity (2), and the pressure gauge joint (25) is communicated with a pressure gauge (26) through an air pipe.
6. A portable oil-gas-water sampling device according to claim 1, characterized in that the inside of the main cavity (2) is provided with a filter core (27), the inside of the filter core (27) is filled with random packing, which comprises a dirk packing and a delta-helix packing.
7. A portable oil-gas-water sampling device according to claim 1, characterized in that the output end of the liquid sample extraction hand pump (11) is in threaded connection with a first sampling bottle (28), and the output end of the liquid level control hand pump (20) is in threaded connection with a second sampling bottle (29).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910223464.1A CN109946118B (en) | 2019-03-22 | 2019-03-22 | Portable oil-gas-water sampling device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910223464.1A CN109946118B (en) | 2019-03-22 | 2019-03-22 | Portable oil-gas-water sampling device |
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| CN109946118A CN109946118A (en) | 2019-06-28 |
| CN109946118B true CN109946118B (en) | 2023-11-10 |
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| CN201910223464.1A Active CN109946118B (en) | 2019-03-22 | 2019-03-22 | Portable oil-gas-water sampling device |
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Families Citing this family (1)
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| CN113624563A (en) * | 2020-05-09 | 2021-11-09 | 天津大港油田圣达科技有限公司 | Online gas sampler for oil production well |
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| CN109946118A (en) | 2019-06-28 |
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