CN214173909U - Oil and gas exploration laboratory canning appearance gas taking device - Google Patents
Oil and gas exploration laboratory canning appearance gas taking device Download PDFInfo
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- CN214173909U CN214173909U CN202120230595.5U CN202120230595U CN214173909U CN 214173909 U CN214173909 U CN 214173909U CN 202120230595 U CN202120230595 U CN 202120230595U CN 214173909 U CN214173909 U CN 214173909U
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Abstract
The utility model discloses a gas device is got to oil and gas exploration laboratory canning appearance, including getting the gas pitcher, it is fixed to be equipped with a plurality of piston rooms, every to get the fixed a plurality of piston rooms of gas pitcher lateral wall sliding seal connects the piston, every in the piston room piston lower extreme joint spring, every spring fixed connection annular retaining ring, annular retaining ring is located the piston room inner wall and gets between the gas pitcher outer wall, annular retaining ring and piston room inner wall, get gas pitcher outer wall sliding seal and connect, every fill with sealed liquid in sealed within a definite time, every the lateral wall is equipped with the pressure valve between sealed, two pressure valves that are located same piston room are through outside water pipe sealing connection. The usable when collecting gas, when will getting the gas tank and pushing down, can impress sealing liquid natural gas line and get between the gas holder, form the liquid seal, just so can guarantee the gas tightness of device completely, prevent that the infiltration of advancing of external gas from preventing that gas from being diluted, cause the influence of experiment.
Description
Technical Field
The utility model relates to a laboratory canning appearance gas taking technical field especially relates to a petroleum and natural gas exploration laboratory canning appearance gas taking device.
Background
In oil and gas exploration, the identification and evaluation of an oil and gas water layer are one of important links in oil and gas exploration and development work, and the application of a new logging technology has aroused the attention of more and more experts and scholars at home and abroad at present. In recent years, along with the gradual deepening of oil field exploration, the objects of resource exploration are more diversified, including shale gas, coal bed gas and the like, the oil-gas-water relationship of an exploration block is more and more complex, and higher requirements are provided for an oil-gas reservoir identification and evaluation technology. Particularly, the judgment difficulty of a light oil layer, a residual oil-water layer, a high mud-bearing reservoir and a volcanic gas-water layer is higher, and the requirement of fine evaluation cannot be met only by the qualitative explanation of the conventional single logging technology on the oil-gas layer.
In the prior art, the air tightness of the gas taking device is difficult to maintain when the natural gas is taken, air is easy to permeate, the concentration of the natural gas is seriously influenced, and the gas composition analysis in our laboratory is seriously influenced. We propose a tank sample gas sampling device in a petroleum and natural gas exploration laboratory to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the air tightness problem in the air intake process in the prior art and providing a gas taking device for the canning sample in the oil and gas exploration laboratory.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a gas taking device for a canning sample in an oil and gas exploration laboratory comprises a gas taking tank, wherein the side wall of the gas taking tank is provided with a plurality of gas holes, the gas taking tank is internally connected with a gas plug in a sliding manner, the gas plug is in airtight abutting with the inner wall of the gas taking tank, the side wall of the gas taking tank is fixedly provided with a plurality of piston chambers, each piston chamber is internally connected with a piston in a sliding and sealing manner, the lower end of each piston is clamped with a spring, the other end of each spring is clamped with a wood block, each wood block is fixedly connected with an annular check ring, the annular check ring is positioned between the inner wall of the piston chamber and the outer wall of the gas taking tank, the annular check ring is connected with the inner wall of the piston chamber and the outer wall of the gas taking tank in a sliding and sealing manner, each piston and the top of the piston chamber are formed into a sealing chamber, each sealing chamber is filled with sealing liquid, each sealing chamber side wall of the sealing chamber is provided with a pressure valve, the inner side wall of the piston chamber is fixedly provided with an annular limit block, the inner side wall of the annular limit block is provided with a plurality of pressure valves, and the two pressure valves positioned in the same piston chamber are connected in a sealing way through an external water pipe.
Preferably, the bottom of the gas taking tank is provided with a gas vent, the gas vent is connected with a gas pipe in a sealing manner, the outer side wall of the gas taking tank is fixedly provided with a baffle, the baffle is clamped with a water tank, the outer side wall of the gas taking tank is fixedly provided with a gas cylinder clamping seat, the gas cylinder clamping seat is clamped with a gas collecting bottle, the gas collecting bottle is filled with water, the gas collecting bottle is reversely buckled in the water tank, the opening of the gas collecting bottle is positioned below the liquid level of the water tank to keep the water in the gas collecting bottle from flowing out, and the gas pipe penetrates through the baffle and the bottom of the water tank and extends to the bottom of the gas collecting bottle.
Preferably, the side wall of the gas plug chamber is clamped with a plurality of elastic springs, each elastic spring is clamped with the other end of each check block, each check block is fixedly connected with a telescopic check ring, and the telescopic check rings are in sealing sliding connection with the side wall of the natural gas pipeline.
Preferably, an annular limiting block is fixedly arranged on the inner side wall of the piston chamber and is located below the annular check ring.
Preferably, the air plug is fixedly connected with a push rod, and scale marks are marked on the push rod.
Preferably, an air valve is fixedly arranged on the air pipe and can control the size of the air flow.
Compared with the prior art, the beneficial effects of the utility model are that:
1. when gas is collected and the gas taking tank is pressed down, sealing liquid can be pressed between the natural gas pipeline and the gas taking seat to form liquid seal, so that the gas tightness of the device can be completely ensured, the external gas is prevented from permeating, and the gas is prevented from being diluted to cause the influence of an experiment;
2. can collect the gas collection in getting the gas jar, can impress the trachea with the natural gas and get into the gas collecting bottle when bulldozing the push rod in, along with gaseous increasing, can collect the water tank with the water pressure in the gas collecting bottle, make things convenient for the laboratory research more to the natural gas. The elastic spring is clamped with the stop dog which is fixedly connected with the telescopic check ring, so that the check ring can be abutted against the natural gas pipeline, and the air tightness is ensured. The annular limiting block can limit the position of the annular retainer ring, and the reliability of the device is guaranteed.
3. The push rod is fixedly connected to the air plug, scales are arranged on the push rod, and therefore the volume of collected air can be conveniently read by personnel, and the work of experimenters is more convenient. The air valve can control air flow and prevent natural gas from overflowing to pollute air.
Drawings
Fig. 1 is a schematic structural diagram of a can sample gas sampling device in a petroleum and natural gas exploration laboratory, which is provided by the utility model;
FIG. 2 is a schematic diagram of a front cross-sectional structure of a gas sampling device for a tank sample in a petroleum and natural gas exploration laboratory according to the present invention;
fig. 3 is a schematic structural diagram at a in fig. 2.
In the figure: the gas cylinder comprises a gas taking tank 1, a piston chamber 2, an external water pipe 3, a gas pipe 4, a natural gas pipeline 5, a gas valve 6, a baffle 7, a water tank 8, a gas cylinder clamping seat 9, a gas collecting cylinder 10, a push rod 11, a pressure valve 12, sealing liquid 13, a spring 14, an air hole 15, an annular retainer ring 16, a gas plug 17, scale marks 18, a telescopic retainer ring 19, an annular limiting block 20 and an elastic spring 21.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-3, a gas sampling device for oil and gas exploration laboratory canning comprises a gas taking tank 1, a plurality of gas holes 15 are arranged on the side wall of the gas taking tank 1, a gas plug 17 is connected in the gas taking tank 1 in a sliding way, the gas plug 17 is in airtight contact with the inner wall of the gas taking tank 1, a plurality of piston chambers 2 are fixedly arranged on the side wall of the gas taking tank 1, a piston is connected in each piston chamber 2 in a sliding and sealing way, the lower end of each piston is connected with a spring 14 in a clamping way, the other end of each spring 14 is connected with a wood block in a clamping way, each wood block is fixedly connected with an annular check ring 16, the annular check ring 16 is positioned between the inner wall of the piston chamber 2 and the outer wall of the gas taking tank 1, the annular check ring 16 is connected with the inner wall of the piston chamber 2 and the outer wall of the gas taking tank 1 in a sliding and sealing way, a sealing chamber is formed between the top of each piston and the piston chamber 2, sealing chamber is filled with sealing liquid 13, a pressure valve 12 is arranged on the side wall of each sealing chamber, an annular limit block 20 is fixedly arranged on the inner side wall of the piston chamber 2, a plurality of pressure valves 12 are arranged on the inner side wall of the annular limiting block 20, and the two pressure valves 12 in the same piston chamber 2 are connected in a sealing mode through an external water pipe 3.
Get 1 bottom of gas pitcher and open gas bleeding hole 15, gas hole 15 sealing connection trachea 4, it is fixed to be equipped with baffle 7 to get 1 lateral wall of gas pitcher, joint basin 8 on baffle 7, it is fixed to be equipped with gas cylinder cassette 9 to get 1 lateral wall of gas pitcher, gas cylinder cassette 9 joint gas collecting bottle 10, the full water in gas collecting bottle 10, gas collecting bottle 10 back-off is in basin 8, gas collecting bottle 10 bottleneck is in and keeps gas collecting bottle 10 water-logging not to flow out under the basin 8 liquid level, trachea 4 runs through baffle 7 and 8 bottom of basin and stretches to gas collecting bottle 10 bottom, can be with collecting the gas collection in getting 1, can impress trachea 4 with the natural gas and get into in gas collecting bottle 10 when bulldozing push rod 11, along with gaseous increasing, can go into basin 8 with the water pressure in the gas collecting bottle 10, collect the natural gas, make things convenient for the laboratory research more. The side wall of the air plug 17 chamber is clamped with a plurality of elastic springs 21, the other end of each elastic spring 21 is clamped with a stop dog, each stop dog is fixedly connected with a telescopic check ring 19, the telescopic check ring 19 is in sealing sliding connection with the side wall of 4 natural gas pipes, the elastic springs 21 are clamped with the stop dogs, the stop dogs are fixedly connected with the telescopic check rings 19, the check rings can be abutted against the side wall of 4 natural gas pipes, and the air tightness is guaranteed. An annular limiting block 20 is fixedly arranged on the inner side wall of the piston chamber 2, the annular limiting block 20 is located below the annular retainer ring 16, and the annular limiting block 20 can limit the position of the annular retainer ring 16 to ensure the reliability of the device. Fixedly connected push rod 11 on the gas stopper 17, the last scale mark 18 that has of push rod 11, fixedly connected push rod 11 on the gas stopper 17 has the scale on the push rod 11, can make things convenient for personnel to read the volume of collecting gas, makes things convenient for laboratory staff's work more. The air plug 17 is fixedly connected with a push rod 11, scale marks 18 are marked on the push rod 11, and the air valve 6 can control air flow and prevent natural gas from overflowing to pollute air.
When the utility model is used, the annular check ring in the gas taking tank is propped against the natural gas pipeline, the telescopic check ring is propped against the side wall of the natural gas pipeline by the elastic spring, then the gas taking seat is pressed to enable the annular check ring to move upwards, when the gas taking tank moves to the upper part of the gas hole, natural gas can enter the gas taking tank from the gas hole to push the gas plug, when the annular check ring moves upwards, the spring is extruded, the piston in the piston chamber can be propped upwards by the spring, the pressure in the sealing chamber is increased, at the moment, the pressure valve is opened (when the pressure valve is subjected to water pressure difference, the pressure valve is opened to release water from the side with large pressure to the side with small pressure), at the moment, the water pressure in the external water pipe is increased, at the moment, the pressure valve below is opened, the sealing hydraulic part is filled in the interval between the natural gas pipeline and the gas taking device to form liquid seal, the gas can effectively prevent the gas from entering, when the area between the natural gas pipeline and the gas taking device is filled with sealing liquid, the balance water pressure can be adjusted according to the elasticity of the spring, so that balance is kept, after gas taking is finished, the gas pipeline is pulled out, the annular retainer ring returns to the starting position to block the gas hole, a sealing chamber is formed to store natural gas, at the moment, the piston moves to suck sealing liquid back to the sealing chamber, and conditions can be provided for next use.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides a gas device is got to oil and gas exploration laboratory canning appearance, includes gets gas pitcher (1), its characterized in that, it has a plurality of gas pockets (15) to get gas pitcher (1) lateral wall to open, get gas pitcher (1) sliding connection air lock (17), air lock (17) offset with getting gas pitcher (1) inner wall airtight, get gas pitcher (1) lateral wall and fix and be equipped with a plurality of piston chambeies (2), every piston chamber (2) sliding seal connects the piston, every piston lower extreme joint spring (14), every spring (14) other end joint billet, every billet fixed connection annular retaining ring (16), annular retaining ring (16) are located piston chamber (2) inner wall and get between gas pitcher (1) outer wall, annular retaining ring (16) and piston chamber (2) inner wall, get gas pitcher (1) outer wall sliding seal and be connected, every piston forms sealed with piston chamber (2) top, every fill in sealed liquid (13), every sealed lateral wall is equipped with pressure valve (12) within a definite time, piston chamber (2) inside wall is fixed and is equipped with annular stopper (20), annular stopper (20) inside wall is equipped with a plurality of pressure valves (12), two pressure valves (12) that are located same piston chamber (2) are through outside water pipe (3) sealing connection.
2. The gas sampling device for the oil and gas exploration laboratory can sample according to claim 1, wherein an air vent (15) is formed in the bottom of the gas taking tank (1), the air vent (15) is hermetically connected with a gas pipe (4), a baffle (7) is fixedly arranged on the outer side wall of the gas taking tank (1), a water tank (8) is clamped on the baffle (7), a gas cylinder clamping seat (9) is fixedly arranged on the outer side wall of the gas taking tank (1), the gas cylinder clamping seat (9) is clamped with a gas collecting bottle (10), the gas collecting bottle (10) is filled with water, the gas collecting bottle (10) is reversely buckled in the water tank (8), the opening of the gas collecting bottle (10) is positioned below the liquid level of the water tank (8) to keep the water in the gas collecting bottle (10) from flowing out, and the gas pipe (4) penetrates through the bottoms of the baffle (7) and the water tank (8) and extends to the bottom of the gas collecting bottle (10).
3. The gas sampling device for the oil and gas exploration laboratory can sample according to claim 1, wherein the side wall of the gas plug (17) chamber is clamped with a plurality of elastic springs (21), the other end of each elastic spring (21) is clamped with a stop block, each stop block is fixedly connected with a telescopic check ring (19), and the telescopic check rings (19) are in sealing sliding connection with the side wall of the natural gas pipe (4).
4. The oil and gas exploration laboratory tank sample gas taking device as claimed in claim 1, wherein an annular limiting block (20) is fixedly arranged on the inner side wall of the piston chamber (2), and the annular limiting block (20) is located below the annular retainer ring (16).
5. The gas sampling device for the oil and gas exploration laboratory tank sample according to claim 1, wherein a push rod (11) is fixedly connected to the gas plug (17), and scale marks (18) are marked on the push rod (11).
6. The gas sampling device for the oil and gas exploration laboratory tank sample according to claim 2, wherein a gas valve (6) is fixedly arranged on the gas pipe (4), and the gas valve (6) can control the magnitude of the gas flow.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120230595.5U CN214173909U (en) | 2021-01-27 | 2021-01-27 | Oil and gas exploration laboratory canning appearance gas taking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120230595.5U CN214173909U (en) | 2021-01-27 | 2021-01-27 | Oil and gas exploration laboratory canning appearance gas taking device |
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| Publication Number | Publication Date |
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| CN214173909U true CN214173909U (en) | 2021-09-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120230595.5U Active CN214173909U (en) | 2021-01-27 | 2021-01-27 | Oil and gas exploration laboratory canning appearance gas taking device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114720207A (en) * | 2022-04-18 | 2022-07-08 | 翟宇峰 | Piston type high-pressure natural gas sampler |
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2021
- 2021-01-27 CN CN202120230595.5U patent/CN214173909U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114720207A (en) * | 2022-04-18 | 2022-07-08 | 翟宇峰 | Piston type high-pressure natural gas sampler |
| CN114720207B (en) * | 2022-04-18 | 2023-10-17 | 上海中核维思仪器仪表股份有限公司 | Piston type high-pressure natural gas sampler |
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