CN119246162B - A high-efficiency sampling device and sampling method for gas phase tracer in oil and gas field development - Google Patents

A high-efficiency sampling device and sampling method for gas phase tracer in oil and gas field development Download PDF

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Publication number
CN119246162B
CN119246162B CN202411796087.8A CN202411796087A CN119246162B CN 119246162 B CN119246162 B CN 119246162B CN 202411796087 A CN202411796087 A CN 202411796087A CN 119246162 B CN119246162 B CN 119246162B
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sliding
hole
sliding column
gas
fixing
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CN119246162A (en
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张明玉
李宏
钱玉祥
周博文
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Karamay Southwest Xindu Shida Energy Technology Co ltd
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Karamay Southwest Xindu Shida Energy Technology Co ltd
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00Sampling; Preparing specimens for investigation
    • G01N1/02Devices for withdrawing samples
    • G01N1/22Devices for withdrawing samples in the gaseous state
    • G01N1/2247Sampling from a flowing stream of gas

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
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  • General Health & Medical Sciences (AREA)
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  • Sampling And Sample Adjustment (AREA)

Abstract

The invention relates to the technical field of oil and gas field development, and particularly discloses an efficient sampling device and a sampling method for a gas phase tracer for oil and gas field development. The oil extraction device comprises a conveying pipe, a first fixing shell, a second fixing shell, a sliding plug, a tank body, a first sliding column and a first sliding column, wherein the conveying pipe is arranged on a christmas tree, the first fixing pipe is fixedly connected and communicated with the conveying pipe, the first fixing shell is arranged on the first fixing pipe, the second fixing shell penetrates through the first fixing shell and is fixedly connected with the first fixing shell, the second fixing shell is provided with a first through hole communicated with the inside of the first fixing shell, the sliding plug is arranged in the second fixing shell in a sliding mode, a spring is arranged between the sliding plug and the second fixing shell, the tank body is arranged on the second fixing shell in a threaded mode, the first sliding column is arranged in the tank body in a limiting sliding mode, and the first sliding column is provided with a communication hole. According to the invention, through the movement of the first sliding column, the communication hole on the first sliding column is communicated with the first through hole on the second fixed shell, namely, the gas medium is controlled to directly enter the tank body, so that the gas medium is prevented from leaking.

Description

Efficient sampling device and sampling method for gas phase tracer in oil-gas field development
Technical Field
The invention relates to the technical field of oil and gas field development, in particular to a high-efficiency sampling device and a sampling method for a gas phase tracer for oil and gas field development.
Background
Gas phase tracers are widely used in the oil and gas industry to monitor and evaluate the flow and distribution of natural gas, etc., and are typically chemically stable, easily detectable gases that can be propagated in the gas phase for tracking the flow and distribution of the gas.
When the gas collected in the oil and gas well is sampled and tested, the sampling bottle is usually connected with a valve on a gas conveying pipeline, and then part of the gas in the gas conveying pipeline enters the sampling bottle by opening the valve, however, in the process, part of the gas always remains in the pipeline between the valve and the sampling bottle, after the sampling is finished, when the sampling bottle is disassembled, the residual gas always leaks to the outside, and along with the increase of sampling times, a large amount of the conveyed gas leaks to the outside, so that not only is the waste of gas resources caused, but also potential safety hazards are brought, in particular, the gas collected in the oil and gas well often contains hydrogen sulfide (H 2 S), which is colorless, extremely toxic and odorous gas, has great harm to human bodies, and the leakage of the gas easily causes hydrogen sulfide poisoning of operators, and can endanger life seriously.
Disclosure of Invention
In order to overcome the problems mentioned in the background art, the invention provides a high-efficiency sampling device and a sampling method for a gas phase tracer developed by an oil-gas field.
The technical scheme of the invention is that the efficient sampling device for the gas phase tracer in the oil-gas field development comprises:
The conveying pipe is arranged on the christmas tree;
The first fixed pipe is fixedly connected with and communicated with the conveying pipe;
the first fixing shell is arranged on the first fixing tube;
The second fixing shell penetrates through the first fixing shell and is fixedly connected with the first fixing shell, and the second fixing shell is provided with a first through hole communicated with the inside of the first fixing shell;
the sliding plug is arranged in the second fixed shell in a sliding manner, a spring is arranged between the sliding plug and the second fixed shell, and the sliding plug is used for blocking a first through hole in the second fixed shell;
the tank body is arranged on the second fixed shell in a threaded manner and is provided with an exhaust pipe provided with a valve;
The first sliding column is arranged in the tank body in a limiting sliding manner, the first sliding column is in extrusion fit with the sliding plug, the first sliding column is provided with a communication hole, and the communication hole on the first sliding column is in communication fit with the first through hole on the second fixed shell and is used for guiding gas to directly enter the tank body so as to avoid gas leakage.
Preferably, the method further comprises the following steps:
The sliding frame is arranged in the tank body in a sliding manner, a spring is arranged between the sliding frame and the tank body, a blind hole in limit fit with the sliding frame is formed in the first sliding column, an inclined surface is formed in the sliding frame, and the spring is arranged between the first sliding column and the tank body;
the sliding rod is arranged on the tank body in a sliding manner and is in extrusion fit with the inclined surface of the sliding frame, and the sliding rod is in extrusion fit with the second fixed shell.
Preferably, the method further comprises the following steps:
The second fixing pipe is fixedly connected to the second fixing shell and is communicated with the first through hole in the second fixing shell;
The first guide pipe is arranged on the second fixed pipe, and the central line of the first guide pipe is overlapped with the central line of the second fixed pipe;
the second guide pipe is fixedly connected to the side wall of the second fixing shell and wraps the first guide pipe, and the first fixing pipe and the conveying pipe are both in sliding connection with the second guide pipe.
Preferably, the method further comprises the following steps:
The second sliding column is arranged on the first fixed shell in a sliding manner;
The third fixed pipe is fixedly connected between the second fixed shell and the first fixed shell and is communicated with the second fixed shell, the center line of the third fixed pipe, the center line of the second fixed pipe and the center line of the second sliding column coincide, the sliding plug is provided with a second through hole, and the second through hole of the sliding plug and the first through hole on the second fixed shell are used for being communicated with the second fixed pipe and the third fixed pipe.
Preferably, the inner diameter of the third fixed tube, the inner diameter of the second through hole on the sliding plug, the inner diameter of the second fixed tube and the inner diameter of the first conduit are all the same in size and the same in size as the outer diameter of the second sliding column.
Preferably, the method further comprises the following steps:
The first fixing frame is fixedly connected to the side wall of the first fixing shell and is provided with a plurality of limiting holes;
The first limiting rod is arranged on the second sliding column in a sliding manner, a tension spring is arranged between the first limiting rod and the second sliding column, and the first limiting rod is in limiting fit with a corresponding limiting hole on the first fixing frame and used for limiting the relative position of the second sliding column and the first fixing frame.
Preferably, the method further comprises the following steps:
The fixed seat is fixedly connected in the conveying pipe, the first guide pipe, the second guide pipe and the second sliding column are in extrusion fit with the fixed seat, the second guide pipe is provided with a first air guide hole, the first guide pipe is provided with a second air guide hole, and the first air guide hole is communicated with the second air guide hole;
The power piece is arranged on the side wall of the first fixed shell;
The rotating shaft is rotatably arranged on the first fixed shell, the rotating shaft is in transmission fit with the power piece, the rotating shaft is in transmission with the first guide pipe through a gear set, the second fixed pipe and the second guide pipe are both in rotary connection with the first guide pipe, and the first fixed pipe is in sliding connection with the first fixed shell.
Preferably, the method further comprises the following steps:
The second fixing frame is fixedly connected to the first fixing shell and is in sliding connection with the conveying pipe, and a plurality of limiting holes are formed in the second fixing frame;
The second limiting rod is arranged on the conveying pipe in a sliding mode, a tension spring is arranged between the second limiting rod and the conveying pipe, and the second limiting rod is in limiting fit with the adjacent limiting hole on the second fixing frame and used for limiting the limiting position of the second fixing frame and the limiting position of the conveying pipe.
Preferably, the centre line of the first conduit is inclined with respect to the centre line of the delivery pipe for guiding the inclined flow of gas.
An efficient sampling method for an oil-gas field development gas-phase tracer, based on the efficient sampling device for the oil-gas field development gas-phase tracer, comprises the following steps:
S1, before sampling, adjusting the position of a limiting hole of a second fixing frame, which is inserted into the limiting hole, according to a sampling area, namely adjusting the length of a second guide pipe in a conveying pipe;
S2, after the position of the second guide pipe is adjusted, the first limiting rod is pulled to control the second sliding column to move, so that the second sliding column slides out of the second through hole of the sliding plug, and the limiting of the sliding plug is released;
s3, after the second sliding column is moved, the tank body is installed on the second fixed shell in a threaded mode, after the tank body is installed, the second fixed shell enables the sliding frame to move through the sliding rod, the sliding frame moves to release the limit of the blind holes on the first sliding column, and then the first sliding column moves and extrudes the sliding plug to move until the communication holes on the first sliding column are communicated with the second fixed tube;
s4, when the second guide pipe is not in contact with the fixed seat, the gas medium flowing in the conveying pipe enters the tank body through the first guide pipe, the second fixed pipe, the first through hole on the second fixed shell and the communication hole of the first sliding column along with the installation of the tank body;
S5, when the second guide pipe contacts the fixed seat, the gas medium flowing in the conveying pipe can only enter the tank body through the first gas guide hole, the second gas guide hole, the first guide pipe, the second fixed pipe, the first through hole on the second fixed shell and the communication hole of the first sliding column along with the installation of the tank body;
S6, in the S5 step of the gas medium, controlling the power piece to work, controlling the first guide pipe to rotate through the rotating shaft and the gear set, and controlling the gas medium to intermittently flow into the tank body;
S7, after the step S4 or the step S5 is carried out for a period of time, the tank body is filled with a gas medium, then the sliding plug is pressed and the first sliding column is pulled to reset, then the second sliding column is controlled to reversely move and insert into the second through hole of the sliding plug, the second fixed pipe and the first guide pipe, then the tank body is reversely rotated, the tank body is taken down from the second fixed shell, and meanwhile, the sliding frame is reinserted into the blind hole of the first sliding column;
s8, marking the sampling time on the tank body after the quantitative gas medium is taken out from the tank body.
Compared with the prior art, the gas medium sampling device has the advantages that through the movement of the first sliding column, the communication hole on the first sliding column is communicated with the first through hole on the second fixed shell, namely, gas medium is controlled to directly enter the tank body, gas medium leakage is avoided, sampling operation can be completed only by installing the tank body, the operation flow is simplified, and accordingly sampling efficiency is improved, the first sliding column cannot move due to the fact that the sliding frame is matched with the blind hole on the first sliding column, gas medium leakage after sampling is further avoided, the integrity of the sampled gas medium is guaranteed, the device is convenient to sample the gas medium in different areas in the conveying pipe due to the fact that the first guide pipe and the second guide pipe are inserted into the conveying pipe, the integrity of the sampled product of the device is improved, the integrity of a subsequent test result is improved, the fixing seat is attached to the second guide pipe, the first guide pipe is controlled to rotate by matching with the power piece, and intermittent repeated sampling of the gas medium flowing in the conveying pipe is completed, random errors in single sampling are reduced, the data reliability is improved, and the sampled product is provided with more accurate data.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic perspective view of the conveying pipe and the first fixing case of the present invention;
FIG. 3 is a cross-sectional view of the present invention at a delivery tube and a first stationary housing;
FIG. 4 is a cross-sectional view of the second stationary housing and canister of the invention;
FIG. 5 is a cross-sectional view of the can and first slide post of the present invention;
FIG. 6 is a cross-sectional view of the present invention at a first conduit and a second conduit;
fig. 7 is a schematic perspective view of the power unit and the rotating shaft of the present invention.
The number of the drawing is 1, the christmas tree, 101, the conveying pipe, 104, the first fixed pipe, 105, the first fixed shell, 106, the second fixed shell, 107, the sliding plug, 108, the tank body, 2, the first sliding column, 3, the sliding frame, 301, the sliding rod, 4, the second fixed pipe, 401, the first conduit, 402, the second conduit, 5, the second sliding column, 501, the third fixed pipe, 6, the first fixed frame, 601, the first limiting rod, 7, the fixed seat, 701, the first air vent, 702, the second air vent, 703, the power piece, 704, the rotating shaft, 8, the second fixed frame, 801 and the second limiting rod.
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. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Embodiment 1 an efficient sampling device for a gas phase tracer developed in an oil and gas field is shown by referring to fig. 1 to 4, and comprises a conveying pipe 101 which is arranged on a christmas tree 1, a first fixing pipe 104 fixedly connected and communicated with the conveying pipe 101, a first fixing shell 105 which is arranged on the first fixing pipe 104, a second fixing shell 106 which penetrates through the first fixing shell 105 and is fixedly connected with the first fixing shell 105, a first through hole communicated with the inside of the first fixing shell 105, a sliding plug 107 which is arranged in the second fixing shell 106 in a sliding manner, a spring which is arranged between the sliding plug 107 and the second fixing shell 106 and is used for plugging the first through hole on the second fixing shell 106, a tank 108 which is arranged on the second fixing shell 106 in a threaded manner, an exhaust pipe provided with a valve is arranged on the tank 108, a first sliding column 2 which is arranged in the tank 108 in a limiting sliding manner, the first sliding column 2 is in press fit with the sliding plug 107, the first through hole on the first sliding column 2 is communicated and matched with the first through hole on the second fixing shell 106, and the sliding plug 107 is used for guiding gas into the tank 108 to avoid leakage.
In the above scheme, the pressure in the gas conveying pipeline is observed according to the feedback of the pressure sensor installed on the christmas tree 1 (the pressure sensor is in the prior art and is not shown in the figure), when the pressure in the pipeline for conveying the gas medium by the christmas tree 1 is smaller, the gas in the gas conveying pipeline is not easy to enter the tank 108, an operator is connected with the exhaust pipe on the tank 108 by using a vacuum pump, then opens a valve on the tank 108 and pumps the gas in the tank 108, so that a certain negative pressure is formed in the tank 108, the quantitative gas medium is conveniently pumped by the device, when the pressure in the pipeline for conveying the gas medium is larger, the pumping quantity can be properly reduced when the gas in the tank 108 is pumped, in the initial state, the spring between the sliding plug 107 and the second fixed shell 106 is in a compressed state, the sliding plug 107 seals the first through hole on the second fixed shell 106, and the elastic coefficient of the first sliding column 2 is larger than that of the spring connected with the sliding plug 107.
The specific working principle is as follows: in the process of monitoring and evaluating the flow and distribution of natural gas in an oil-gas field by using a gas phase tracer, when the gas phase tracer in a gas medium needs to be sampled, an operator installs the tank 108 on the second fixed shell 106 in a threaded manner, then pushes the first sliding column 2 to move upwards, the first sliding column 2 extrudes the sliding plug 107 to move upwards, and the spring connected with the sliding plug 107 is compressed, after the communication hole on the first sliding column 2 is communicated with the first through hole on the second fixed shell 106, the gas in the conveying pipe 101 enters the tank 108 through the first fixed pipe 104, the first fixed shell 105, the first through hole on the second fixed shell 106 and the communication hole on the first sliding column 2, the rate of the gas medium entering the tank 108 is controlled by controlling the communication size of the communication hole on the first sliding column 2 and the first through hole on the second fixed shell 106, and after the sampling is completed, the first sliding column 2 is pulled to move downwards, the communication hole on the first sliding column 2 is completely located in the tank 108, and under the action of the connection spring connected with the sliding plug 107, the sliding plug 107 shields the first fixed shell from leaking gas, and the safety medium is avoided from being leaked from the first fixed shell.
Referring to fig. 4 and 5, the novel portable electronic device further comprises a sliding frame 3 which is arranged in the tank 108 in a sliding manner, a spring is arranged between the sliding frame and the tank 108, a blind hole which is in limit fit with the sliding frame 3 is formed in the first sliding column 2, an inclined surface is formed in the sliding frame 3, a spring is arranged between the first sliding column 2 and the tank 108, a sliding rod 301 is arranged on the tank 108 in a sliding manner and is in extrusion fit with the inclined surface of the sliding frame 3, and the sliding rod 301 is in extrusion fit with the second fixed shell 106.
In the above scheme, the upper inclined surface of the sliding frame 3 is inclined upwards from left to right, under the initial state, the first sliding column 2 is connected with the spring in a compressed state, the spring between the sliding frame 3 and the tank 108 is in a compressed state, the sliding frame 3 is inserted into the blind hole of the first sliding column 2, the movement of the first sliding column 2 is limited, gas stored in the tank 108 is convenient to store, when the tank 108 is arranged on the second fixed shell 106 in a threaded manner, the second fixed shell 106 extrudes the sliding rod 301 to move, the sliding rod 301 moves to extrude the inclined surface of the sliding frame 3, the sliding frame 3 moves to release the limit of the blind hole on the first sliding column 2, and then the first sliding column 2 automatically stretches out under the elastic force of the adjacent spring of the first sliding column 2, so that the communication hole on the first sliding column 2 is communicated with the first through hole on the second fixed shell 106 for gas medium sampling.
Embodiment 2, referring to fig. 3, 6 and 7, further comprises a second fixing tube 4 fixedly connected to the second fixing shell 106 and communicated with the first through hole on the second fixing shell 106, a first guide tube 401 arranged on the second fixing tube 4, wherein the central line of the first guide tube 401 coincides with the central line of the second fixing tube 4, a second guide tube 402 fixedly connected to the side wall of the second fixing shell 106 and wrapping the first guide tube 401, and the first fixing tube 104 and the conveying tube 101 are both in sliding connection with the second guide tube 402.
In the above scheme, according to the size of the conveying pipeline on the christmas tree 1, the conveying pipe 101 with corresponding size is set, and the second guide pipes 402 with different lengths are set, so that the left end of the second guide pipe 402 is located at different positions in the conveying pipe 101, the device is convenient to sample gas media at different positions in the conveying pipe 101, the sampling process is repeated, and the gas enters the tank 108 through the first guide pipe 401, the second fixed pipe 4, the first through hole of the second fixed shell 106 and the communication hole of the first sliding column 2.
Referring to fig. 3, the sliding plug further comprises a second sliding column 5 slidably disposed on the first fixed housing 105, a third fixed tube 501 fixedly connected between the second fixed housing 106 and the first fixed housing 105 and communicating with the second fixed housing 106, wherein the center line of the third fixed tube 501, the center line of the second fixed tube 4 and the center line of the second sliding column 5 are overlapped, the sliding plug 107 is provided with a second through hole, the second through hole of the sliding plug 107 and the first through hole of the second fixed housing 106 are used for communicating the second fixed tube 4 and the third fixed tube 501, and the inner diameter of the third fixed tube 501, the inner diameter of the second through hole of the sliding plug 107, the inner diameter of the second fixed tube 4 and the inner diameter of the first guide tube 401 are the same as each other and the outer diameter of the second sliding column 5.
In the above-mentioned scheme, in the initial state, the second sliding column 5 is inserted into the third fixed pipe 501, the second through hole of the sliding plug 107, the second fixed pipe 4 and the first conduit 401, the left end of the second sliding column 5 is flush with the left end of the first conduit 401, and the second sliding column 5 is provided with a uniformly distributed rubber sealing ring (the rubber sealing ring is in the prior art, not shown in the figure) for improving the tightness between the second sliding column 5 and the first conduit 401, when the gas medium sampling operation is performed, the operator pulls the second sliding column 5 to move rightward first, so that the left part of the second sliding column 5 is retracted into the third fixed pipe 501, and then the gas medium repeatedly flows along with the installation of the tank 108, after the sampling is completed, the tank 108 is removed, and the second sliding column 5 moves reversely to reset, wherein the second sliding column 5 moves to expel the residual gas in the first conduit 401, so as to avoid the influence of the residual gas on the accuracy of the next sampling result.
Referring to fig. 2 and 3, the sliding device further comprises a first fixing frame 6 fixedly connected to the side wall of the first fixing shell 105, wherein the first fixing frame 6 is provided with a plurality of limiting holes, a first limiting rod 601 is slidably arranged on the second sliding column 5, a tension spring is arranged between the first limiting rod 601 and the second sliding column 5, and the first limiting rod 601 is in limiting fit with the corresponding limiting hole on the first fixing frame 6 and is used for limiting the relative position of the second sliding column 5 and the first fixing frame 6.
In the above scheme, be provided with two spacing holes on the first mount 6, when first gag lever post 601 inserts in the spacing hole of left side on first mount 6, second slip post 5 inserts in first pipe 401, when first gag lever post 601 inserts in the spacing hole of right side on first mount 6, the left part of second slip post 5 is in the third fixed pipe 501, for the preparatory action before the sample this moment, follow-up mounting jar body 108 takes a sample can, the spacing cooperation of corresponding spacing hole on above-mentioned first gag lever post 601 and the first mount 6 improves the job stabilization nature of second slip post 5, improve the reliability of use of this device.
Embodiment 3, referring to fig. 6 and 7, on the basis of embodiment 2, the device further comprises a fixing seat 7 fixedly connected in the conveying pipe 101, wherein the first guide pipe 401, the second guide pipe 402 and the second sliding column 5 are in extrusion fit with the fixing seat 7, the second guide pipe 402 is provided with a first air guide hole 701, the first guide pipe 401 is provided with a second air guide hole 702, the first air guide hole 701 is in communication fit with the second air guide hole 702, a power piece 703 is mounted on the side wall of the first fixing shell 105, a rotating shaft 704 is rotatably arranged on the first fixing shell 105, the rotating shaft 704 is in transmission fit with the power piece 703, the rotating shaft 704 is in transmission fit with the first guide pipe 401 through a gear set, and the second fixing pipe 4 and the second guide pipe 402 are rotatably connected with the first guide pipe 401, and the first fixing pipe 104 is in sliding connection with the first fixing shell 105.
In the above scheme, the control panel is arranged on the first fixed housing 105, the control panel is electrically connected with the power part 703, the power part 703 is a driving motor, the power part 703 can also be a hand handle, both modes can be adopted according to practical requirements, the main purpose of the power part 703 is to drive the rotating shaft 704 to rotate, when the pressure in the conveying pipe 101 is too large, in order to improve the representativeness of the taken sample, the gas medium flowing in the conveying pipe 101 needs to be sampled for multiple times in a sectional manner, if the single sampling is carried out, because the pressure in the conveying pipe 101 is too large, the gas in the conveying pipe 101 can quickly fill the tank 108, so that the taken gas sample is too limited, the specific working principle of the sectional multiple sampling is that an operator pushes the first fixed housing 105 to move, so that the first fixed housing 105 drives the second guide pipe 402 to move to be attached to the fixed seat 7 through the second fixed housing 106, then the tank 108 is arranged on the second fixed housing 106, and the second sliding column 5 is controlled to move rightwards, then the power part 703 is started to work through the control panel, the power part drives the first guide pipe 401 to rotate through the rotating shaft 704 and the gear set, if the single sampling is carried out, the first guide pipe 401 rotates, the first guide pipe 401 is enabled to be communicated with the first guide pipe 702 to the first guide air hole 702 to enter the first air hole 702 into the first air hole 702, and the second air hole 702 to be communicated with the first air guide hole 702, and the second air hole 702 is communicated with the first air guide hole 702, and the air hole is communicated with the first air hole and the air hole 702.
In the process of performing the above-mentioned sectional type multiple sampling, an operator adjusts the rotation frequency of the first conduit 401 according to the actual pressure in the conveying pipe 101, so as to control the single sucking of the gas samples with different volumes, improve the applicability of the device, and improve the reliability of the sampled product, so that the sampled product provides more accurate and representative data.
Referring to fig. 2 and 3, the air conditioner further comprises a second fixing frame 8 fixedly connected to the first fixing shell 105 and slidably connected with the conveying pipe 101, wherein the second fixing frame 8 is provided with a plurality of limiting holes, a second limiting rod 801 is slidably arranged on the conveying pipe 101, a tension spring is arranged between the second limiting rod 801 and the conveying pipe 101, the second limiting rod 801 is in limiting fit with the adjacent limiting holes on the second fixing frame 8 and is used for limiting the limiting positions of the second fixing frame 8 and the conveying pipe 101, and the central line of the first guide pipe 401 is inclined relative to the central line of the conveying pipe 101 and is used for guiding air to flow obliquely.
In the above scheme, the length of the second guide tube 402 inserted into the conveying tube 101 is controlled by controlling the limiting holes of the second limiting rod 801 inserted into different positions on the second fixing frame 8 by an operator, so that the sampling of gas media in different areas is realized, the comprehensiveness of the sampled product of the device is improved, the comprehensiveness of the subsequent test result is improved, the central line of the first guide tube 401 is inclined relative to the central line of the conveying tube 101, the gas flow is conveniently guided, and the residue and stagnation of the gas in the first guide tube 401 in the sampling process are reduced.
Embodiment 4 the present invention further provides a method for efficient sampling of an oil and gas field development gas phase tracer, based on the above-mentioned efficient sampling device for an oil and gas field development gas phase tracer, based on the basis of embodiment 3, as shown in fig. 1 to 7, comprising the following steps:
S1, before sampling, adjusting the position of a limiting hole inserted into a second fixing frame 8 by a second limiting rod 801 according to a sampling area, namely adjusting the length of a second guide pipe 402 in a conveying pipe 101;
s2, after the position of the second guide pipe 402 is adjusted, the first limiting rod 601 is pulled to control the second sliding column 5 to move, so that the second sliding column 5 slides out of the second through hole of the sliding plug 107, namely the limiting of the sliding plug 107 is released;
S3, after the second sliding column 5 is moved, the tank 108 is installed on the second fixed shell 106 in a threaded manner, after the tank 108 is installed, the second fixed shell 106 moves the sliding frame 3 through the sliding rod 301, the sliding frame 3 moves to release the limit of a blind hole on the first sliding column 2, and then the first sliding column 2 moves and presses the sliding plug 107 to move until a communication hole on the first sliding column 2 is communicated with the second fixed tube 4;
S4, when the second guide pipe 402 does not contact the fixed seat 7, the gas medium flowing in the conveying pipe 101 enters the tank 108 through the first guide pipe 401, the second fixed pipe 4 and the first through hole on the second fixed shell 106 and the communication hole of the first sliding column 2 along with the installation of the tank 108;
S5, when the second guide pipe 402 contacts the fixed seat 7, the gas medium flowing in the conveying pipe 101 can only enter the tank 108 through the first gas guide hole 701, the second gas guide hole 702, the first guide pipe 401, the second fixed pipe 4 and the first through hole on the second fixed shell 106 and the communication hole of the first sliding column 2 along with the installation of the tank 108;
S6, in the S5 step of the gaseous medium, the power piece 703 is controlled to work, the power piece 703 is controlled to rotate through the rotating shaft 704 and the gear set, and the gaseous medium is controlled to intermittently flow into the tank 108;
S7, after the step S4 or the step S5 is carried out for a period of time, the tank 108 is filled with a gas medium, then the sliding plug 107 is pressed and the first sliding column 2 is pulled to reset, then the second sliding column 5 is controlled to reversely move and insert into the second through hole of the sliding plug 107, the second fixed pipe 4 and the first guide pipe 401, then the tank 108 is reversely rotated, the tank 108 is removed from the second fixed shell 106, and meanwhile, the sliding frame 3 is reinserted into the blind hole of the first sliding column 2;
s8, marking the sampling time on the tank 108 after the quantitative gas medium is taken out from the tank 108.
The above description is merely illustrative of the embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think about variations or substitutions within the technical scope provided by the present invention, and the invention should be covered.

Claims (6)

1.一种油气田开发气相示踪剂高效取样装置,其特征在于,包括有:1. An efficient sampling device for gas phase tracers in oil and gas field development, characterized by comprising: 输送管(101),安装于采油树(1)上;A delivery pipe (101) installed on the Christmas tree (1); 第一固定管(104),固接并连通于所述输送管(101);A first fixed pipe (104), fixedly connected to and in communication with the delivery pipe (101); 第一固定壳(105),设置于所述第一固定管(104)上;A first fixing shell (105) is arranged on the first fixing tube (104); 第二固定壳(106),穿透所述第一固定壳(105)并与其固接,所述第二固定壳(106)设置有与所述第一固定壳(105)内部连通的第一通孔;a second fixing shell (106) penetrating the first fixing shell (105) and fixedly connected thereto, the second fixing shell (106) being provided with a first through hole communicating with the interior of the first fixing shell (105); 滑动塞(107),滑动设置于所述第二固定壳(106)内,且与所述第二固定壳(106)之间安装有弹簧,所述滑动塞(107)用于封堵所述第二固定壳(106)上第一通孔;a sliding plug (107) slidably disposed in the second fixed shell (106), with a spring installed between the sliding plug and the second fixed shell (106), the sliding plug (107) being used to block the first through hole on the second fixed shell (106); 罐体(108),螺纹安装于所述第二固定壳(106)上,所述罐体(108)设置有安装阀门的排气管;A tank body (108) is threadedly mounted on the second fixed shell (106), and the tank body (108) is provided with an exhaust pipe on which a valve is installed; 第一滑动柱(2),限位式滑动设置于所述罐体(108)内,所述第一滑动柱(2)与所述滑动塞(107)挤压配合,所述第一滑动柱(2)设置有连通孔,所述第一滑动柱(2)上连通孔与所述第二固定壳(106)上第一通孔连通配合,用于引导气体直接进入所述罐体(108)内,避免气体泄漏;A first sliding column (2) is limitedly slidably arranged in the tank body (108), the first sliding column (2) is pressed and matched with the sliding plug (107), the first sliding column (2) is provided with a connecting hole, the connecting hole on the first sliding column (2) is connected and matched with the first through hole on the second fixed shell (106), and is used to guide the gas to directly enter the tank body (108) to avoid gas leakage; 第二固定管(4),固接于所述第二固定壳(106)上,且与所述第二固定壳(106)上第一通孔连通;A second fixed tube (4) fixedly connected to the second fixed shell (106) and in communication with a first through hole on the second fixed shell (106); 第一导管(401),设置于所述第二固定管(4)上,且所述第一导管(401)的中心线与所述第二固定管(4)的中心线重合;A first conduit (401) is arranged on the second fixed tube (4), and a center line of the first conduit (401) coincides with a center line of the second fixed tube (4); 第二导管(402),固接于所述第二固定壳(106)的侧壁,且包裹所述第一导管(401),所述第一固定管(104)和所述输送管(101)均与所述第二导管(402)滑动连接;A second conduit (402) is fixedly connected to the side wall of the second fixed shell (106) and wraps the first conduit (401); the first fixed tube (104) and the delivery tube (101) are both slidably connected to the second conduit (402); 第二滑动柱(5),滑动设置于所述第一固定壳(105)上;A second sliding column (5) slidably disposed on the first fixed shell (105); 第三固定管(501),固接于所述第二固定壳(106)和所述第一固定壳(105)之间,且与所述第二固定壳(106)连通,所述第三固定管(501)的中心线、所述第二固定管(4)的中心线和所述第二滑动柱(5)的中心线重合,所述滑动塞(107)设置有第二通孔,所述滑动塞(107)的第二通孔和所述第二固定壳(106)上第一通孔用于连通所述第二固定管(4)和所述第三固定管(501);a third fixed tube (501) fixedly connected between the second fixed shell (106) and the first fixed shell (105), and communicated with the second fixed shell (106); a center line of the third fixed tube (501), a center line of the second fixed tube (4) and a center line of the second sliding column (5) coincide with each other; the sliding plug (107) is provided with a second through hole; the second through hole of the sliding plug (107) and the first through hole on the second fixed shell (106) are used to communicate the second fixed tube (4) and the third fixed tube (501); 所述第三固定管(501)的内径、所述滑动塞(107)上第二通孔的内径、所述第二固定管(4)的内径和所述第一导管(401)的内径大小均相同并与所述第二滑动柱(5)的外径大小相同;The inner diameter of the third fixed tube (501), the inner diameter of the second through hole on the sliding plug (107), the inner diameter of the second fixed tube (4) and the inner diameter of the first guide tube (401) are all the same size and are the same size as the outer diameter of the second sliding column (5); 固定座(7),固接于所述输送管(101)内,所述第一导管(401)、所述第二导管(402)和所述第二滑动柱(5)均与所述固定座(7)挤压配合,所述第二导管(402)设置有第一导气孔(701),所述第一导管(401)设置有第二导气孔(702),所述第一导气孔(701)与所述第二导气孔(702)连通配合;A fixing seat (7) is fixedly connected to the conveying pipe (101); the first conduit (401), the second conduit (402) and the second sliding column (5) are all pressed and matched with the fixing seat (7); the second conduit (402) is provided with a first air guide hole (701); the first conduit (401) is provided with a second air guide hole (702); the first air guide hole (701) is communicated and matched with the second air guide hole (702); 动力件(703),安装于所述第一固定壳(105)的侧壁上;A power component (703) mounted on a side wall of the first fixed shell (105); 转轴(704),转动设置于所述第一固定壳(105),所述转轴(704)与所述动力件(703)传动配合,所述转轴(704)与所述第一导管(401)之间通过齿轮组传动,所述第二固定管(4)和所述第二导管(402)均与所述第一导管(401)转动连接,所述第一固定管(104)和所述第一固定壳(105)滑动连接。A rotating shaft (704) is rotatably disposed on the first fixed shell (105); the rotating shaft (704) is in transmission cooperation with the power member (703); the rotating shaft (704) and the first conduit (401) are transmitted via a gear set; the second fixed tube (4) and the second conduit (402) are both rotatably connected to the first conduit (401); and the first fixed tube (104) and the first fixed shell (105) are slidably connected. 2.根据权利要求1所述的一种油气田开发气相示踪剂高效取样装置,其特征在于,还包括有:2. The high-efficiency sampling device for gas phase tracers in oil and gas field development according to claim 1, characterized in that it also includes: 滑动架(3),滑动设置于所述罐体(108)内,且与所述罐体(108)之间安装有弹簧,所述第一滑动柱(2)设置有与所述滑动架(3)限位配合的盲孔,所述滑动架(3)设置有倾斜面,所述第一滑动柱(2)与所述罐体(108)之间安装有弹簧;a sliding frame (3) slidably arranged in the tank body (108), and a spring is installed between the first sliding column (2) and the tank body (108); the first sliding column (2) is provided with a blind hole that is limitedly matched with the sliding frame (3); the sliding frame (3) is provided with an inclined surface; and a spring is installed between the first sliding column (2) and the tank body (108); 滑动杆(301),滑动设置于所述罐体(108)上,且与所述滑动架(3)的倾斜面挤压配合,所述滑动杆(301)与所述第二固定壳(106)挤压配合。The sliding rod (301) is slidably disposed on the tank body (108) and is pressed and matched with the inclined surface of the sliding frame (3); the sliding rod (301) is pressed and matched with the second fixed shell (106). 3.根据权利要求2所述的一种油气田开发气相示踪剂高效取样装置,其特征在于,还包括有:3. The high-efficiency sampling device for gas phase tracers in oil and gas field development according to claim 2, characterized in that it also includes: 第一固定架(6),固接于所述第一固定壳(105)的侧壁,所述第一固定架(6)设置有多个限位孔;A first fixing frame (6) is fixedly connected to a side wall of the first fixing shell (105), and the first fixing frame (6) is provided with a plurality of limiting holes; 第一限位杆(601),滑动设置于所述第二滑动柱(5)上,且与所述第二滑动柱(5)之间安装有拉簧,所述第一限位杆(601)与所述第一固定架(6)上相应限位孔限位配合,用于限位所述第二滑动柱(5)和所述第一固定架(6)的相对位置。The first limiting rod (601) is slidably arranged on the second sliding column (5), and a tension spring is installed between the first limiting rod (601) and the second sliding column (5). The first limiting rod (601) is limitedly matched with a corresponding limiting hole on the first fixing frame (6) to limit the relative position of the second sliding column (5) and the first fixing frame (6). 4.根据权利要求3所述的一种油气田开发气相示踪剂高效取样装置,其特征在于,还包括有:4. The high-efficiency sampling device for gas phase tracers in oil and gas field development according to claim 3, characterized in that it also includes: 第二固定架(8),固接于所述第一固定壳(105)上,且与所述输送管(101)滑动连接,所述第二固定架(8)设置有多个限位孔;A second fixing frame (8) is fixedly connected to the first fixing shell (105) and is slidably connected to the delivery pipe (101), and the second fixing frame (8) is provided with a plurality of limiting holes; 第二限位杆(801),滑动设置于所述输送管(101)上,且与所述输送管(101)之间安装有拉簧,所述第二限位杆(801)与所述第二固定架(8)上相邻的限位孔限位配合,用于限制所述第二固定架(8)与所述输送管(101)的限位位置。The second limiting rod (801) is slidably disposed on the conveying tube (101) and a tension spring is installed between the second limiting rod (801) and the conveying tube (101). The second limiting rod (801) is limitedly matched with adjacent limiting holes on the second fixing frame (8) to limit the limiting position of the second fixing frame (8) and the conveying tube (101). 5.根据权利要求4所述的一种油气田开发气相示踪剂高效取样装置,其特征在于,所述第一导管(401)的中心线相对于所述输送管(101)的中心线倾斜,用于引导气体倾斜流动。5. A highly efficient sampling device for gas phase tracers for oil and gas field development according to claim 4, characterized in that the center line of the first conduit (401) is inclined relative to the center line of the delivery pipe (101) to guide the gas to flow obliquely. 6.一种油气田开发气相示踪剂的高效取样方法,根据权利要求5所述的一种油气田开发气相示踪剂高效取样装置,其特征在于,包括如下步骤:6. A method for efficiently sampling gas-phase tracers for oil and gas field development, according to claim 5, characterized in that it comprises the following steps: S1:在进行取样前,先根据取样区域调节第二限位杆(801)所插至第二固定架(8)上限位孔的位置,即调节第二导管(402)位于输送管(101)内的长度;S1: Before sampling, first adjust the position of the second limiting rod (801) inserted into the upper limit hole of the second fixing frame (8) according to the sampling area, that is, adjust the length of the second conduit (402) located in the delivery pipe (101); S2:在第二导管(402)的位置调节完毕后,拉动第一限位杆(601)控制第二滑动柱(5)移动,使第二滑动柱(5)滑出滑动塞(107)的第二通孔,即解除对滑动塞(107)的限位;S2: After the position of the second guide tube (402) is adjusted, the first limiting rod (601) is pulled to control the movement of the second sliding column (5), so that the second sliding column (5) slides out of the second through hole of the sliding plug (107), thereby releasing the limiting of the sliding plug (107); S3:在第二滑动柱(5)移动完毕后,将罐体(108)螺纹安装在第二固定壳(106)上,在罐体(108)安装完毕后,第二固定壳(106)通过滑动杆(301)使滑动架(3)移动,滑动架(3)移动解除与第一滑动柱(2)上盲孔的限位,随后第一滑动柱(2)移动并挤压滑动塞(107)移动,直至第一滑动柱(2)上连通孔与第二固定管(4)连通;S3: After the second sliding column (5) has moved, the tank body (108) is threadedly mounted on the second fixed shell (106). After the tank body (108) has been mounted, the second fixed shell (106) moves the sliding frame (3) via the sliding rod (301). The sliding frame (3) moves to release the position restriction on the blind hole on the first sliding column (2). Subsequently, the first sliding column (2) moves and squeezes the sliding plug (107) to move until the communication hole on the first sliding column (2) is connected to the second fixed tube (4). S4:在第二导管(402)未接触固定座(7)时,随着罐体(108)安装完毕,输送管(101)内流动气体介质通过第一导管(401)、第二固定管(4)、第二固定壳(106)上第一通孔和第一滑动柱(2)的连通孔进入罐体(108)内;S4: When the second conduit (402) does not contact the fixing seat (7), as the tank body (108) is installed, the flowing gas medium in the delivery pipe (101) enters the tank body (108) through the first conduit (401), the second fixing pipe (4), the first through hole on the second fixing shell (106) and the connecting hole of the first sliding column (2); S5:在第二导管(402)接触固定座(7)时,随着罐体(108)安装完毕,输送管(101)内流动气体介质仅能通过第一导气孔(701)、第二导气孔(702)、第一导管(401)、第二固定管(4)、第二固定壳(106)上第一通孔和第一滑动柱(2)的连通孔进入罐体(108)内;S5: When the second conduit (402) contacts the fixing seat (7), as the tank body (108) is installed, the flowing gas medium in the delivery pipe (101) can only enter the tank body (108) through the first gas guide hole (701), the second gas guide hole (702), the first conduit (401), the second fixing pipe (4), the first through hole on the second fixing shell (106) and the connecting hole of the first sliding column (2); S6:在气体介质进行S5步骤过程中,通过控制动力件(703)工作,动力件(703)工作通过转轴(704)和齿轮组控制第一导管(401)转动,控制气体介质间歇式流入罐体(108)内;S6: During the process of the gas medium performing step S5, the power member (703) is controlled to work, and the power member (703) controls the rotation of the first conduit (401) through the rotating shaft (704) and the gear set, thereby controlling the gas medium to intermittently flow into the tank body (108); S7:在进行S4步骤或S5步骤一段时间后,气体介质充满罐体(108),随后按压滑动塞(107)并拉动第一滑动柱(2)复位,接着控制第二滑动柱(5)反向移动插至滑动塞(107)的第二通孔、第二固定管(4)和第一导管(401)内,之后反向转动罐体(108),将罐体(108)从第二固定壳(106)上取下,同时滑动架(3)重新插至第一滑动柱(2)的盲孔内;S7: After a period of time after the step S4 or the step S5 is performed, the gas medium fills the tank body (108), and then the sliding plug (107) is pressed and the first sliding column (2) is pulled to reset, and then the second sliding column (5) is controlled to move in the opposite direction and inserted into the second through hole of the sliding plug (107), the second fixed tube (4) and the first guide tube (401), and then the tank body (108) is rotated in the opposite direction to remove the tank body (108) from the second fixed shell (106), and at the same time the sliding frame (3) is reinserted into the blind hole of the first sliding column (2); S8:当罐体(108)内取完定量气体介质后,在罐体(108)上标记取样的时间。S8: After a certain amount of gas medium is taken from the tank body (108), the sampling time is marked on the tank body (108).
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