CN221131085U - Liquid-gas separation device for oil-gas well logging - Google Patents

Liquid-gas separation device for oil-gas well logging Download PDF

Info

Publication number
CN221131085U
CN221131085U CN202322750458.6U CN202322750458U CN221131085U CN 221131085 U CN221131085 U CN 221131085U CN 202322750458 U CN202322750458 U CN 202322750458U CN 221131085 U CN221131085 U CN 221131085U
Authority
CN
China
Prior art keywords
gas
degasser
liquid
oil
carrier
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202322750458.6U
Other languages
Chinese (zh)
Inventor
闫琪
徐景林
许元鹏
薛文卓
李瑜
李宝
奥宁
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shaanxi Yanchang Petroleum Group Co Ltd
Original Assignee
Shaanxi Yanchang Petroleum Group Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shaanxi Yanchang Petroleum Group Co Ltd filed Critical Shaanxi Yanchang Petroleum Group Co Ltd
Priority to CN202322750458.6U priority Critical patent/CN221131085U/en
Application granted granted Critical
Publication of CN221131085U publication Critical patent/CN221131085U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Degasification And Air Bubble Elimination (AREA)

Abstract

The utility model provides a liquid-gas separation device for oil-gas well logging, which comprises a degasser, wherein the degasser is sequentially connected with a carrier, a drying cylinder and an air pump through pipelines, and is provided with an air inlet and a slurry outlet. Solves the problem that the gas circuit and the chromatograph are polluted by mud during the liquid-gas separation in the prior art.

Description

Liquid-gas separation device for oil-gas well logging
Technical Field
The utility model belongs to the technical field of oil-gas field exploration logging engineering equipment, and particularly relates to a liquid-gas separation device for oil-gas well logging.
Background
The gas logging is to obtain the gas carried by the drilling fluid returned from the bottom of the well from a degasser arranged in front of the vibrating screen, and detect and record the components and the content of the gas, thereby judging the work of the oil-gas layer. The gas logging method is a logging method for directly measuring the content of combustible gas in drilling fluid, the gas logging is carried out in the drilling process, the gas logging data can be utilized to discover oil gas display in time, blowout can be predicted, and the gas logging method is widely used in exploratory wells. Therefore, the method is widely used in the exploration and development processes of oil and gas fields, gas logging is the most important logging method which is not replaced, and in recent years, along with popularization and application of new technologies of drilling such as air drilling, unbalanced drilling and the like, the drilling speed is faster and faster, the mechanical drilling speed is increased continuously, and the drilling time is lower and lower.
In the prior art, comprehensive logging instruments are commonly used for logging in the oil gas exploitation logging technology work, how to ensure that the gas path and the chromatograph of the device are not polluted by mud, and the chromatograph is always used for safely and reliably analyzing the gas content so as to take underground gas characteristics, but the problem of taking underground gas characteristics is not solved effectively.
Disclosure of utility model
The utility model aims to provide a liquid-gas separation device for oil-gas well logging, which solves the problem that a gas circuit and a chromatograph are polluted by slurry during liquid-gas separation in the prior art.
The technical scheme adopted by the utility model is that the device comprises a degasser 1, wherein the degasser 1 is sequentially connected with a carrier 2, a drying cylinder 3 and an air pump 4 through pipelines, and the degasser 1 is provided with an air inlet 6 and a slurry outlet 8.
The utility model is also characterized in that:
The deaerator is vertically provided with a filter plate 7, and the air inlet 6 and the slurry outlet 8 are respectively arranged at two sides of the filter plate 7.
The end of the carrier 2 remote from the drying cylinder 3 is connected with a U-shaped tube 9.
The air pump 4 is connected with a gas collector 5 through a pipeline.
The pulp outlet 8 is connected with a liquid collecting barrel 10 through a pipeline.
The beneficial effects of the utility model are as follows:
The utility model provides a liquid-gas separation device for oil-gas well logging, which adopts the structure of the liquid-gas separation device, can separate slurry and gas, ensures that the chromatograph is not polluted, and has high economical practicability.
Drawings
FIG. 1 is a schematic diagram of a gas separation device for logging an oil and gas well according to the present utility model.
In the figure, a degasser, a carrier, a drying cylinder, an air pump, a gas collector, an air inlet, a filter plate, a slurry outlet, a 9.U pipe and a liquid collecting barrel are respectively arranged in the figure, wherein the degasser, the carrier, the drying cylinder, the air pump, the air collector, the air inlet, the filter plate and the slurry outlet are respectively arranged in the figure, and the liquid collecting barrel is arranged in the figure.
Detailed Description
The utility model will be described in detail below with reference to the drawings and the detailed description.
The utility model provides a liquid-gas separation device for oil-gas well logging, as shown in figure 1, comprising a carrier 2, wherein the carrier 2 is fixed between a degasser 1 and a drying cylinder 3, the degasser 1 is mainly used for separating liquid and gas, the degasser is provided with an air inlet 6, the carrier 2 is connected with the degasser 1 through a pipeline, a filter plate 7 is arranged in the degasser and is used for filtering impurities, and the carrier 2 is used for collecting the gas separated by the degasser 1 so as to enable the degasser to be communicated with the carrier; the carrier 2 is connected with the drying cylinder 3 through a pipeline, the drying cylinder 3 is used for absorbing moisture in compressed gas, the device is kept in a dry state and enables the gas to be successfully guided into the gas collector 5, the drying cylinder 3 is connected with the air pump 4 through a pipeline, the side surface of the degasser 1 is also provided with a slurry outlet 8, meanwhile, the slurry outlet is connected with the liquid collecting barrel 10 through a pipeline and is used for collecting residual slurry impurities, and liquid separated by the degasser 1 is discharged, so that the gas path and the chromatograph of the device are not polluted by slurry liquid; the U-shaped pipe 9 is arranged at the bottom of the carrier 2, and the liquid column pressure such as the formation of the filling of clear water realizes the functions of blocking the external air from entering and draining.
The degasser in the liquid-gas separation device for oil-gas well logging is provided with the slurry outlet 8, the bottom of the carrier 2 is also provided with the U-shaped pipe 9, and the liquid separated by the gas inlet 6 of the degasser 1 can be discharged by using the liquid-gas separation device for oil-gas well logging, so that the gas path and the chromatograph are ensured not to be polluted by slurry liquid; meanwhile, by installing the U-shaped pipe 9 and filling clear water to form equal liquid column pressure, the external air inlet and liquid discharge are blocked.
Example 1
The embodiment provides a liquid-gas separation device for oil-gas well logging, as shown in fig. 1, comprising a degasser 1, wherein the degasser 1 is sequentially connected with a carrier 2, a drying cylinder 3 and an air pump 4 through pipelines, the degasser 1 is provided with an air inlet 6 and a slurry outlet 8, and the air pump 4 is connected with a gas collector 5 through pipelines.
When the drilling fluid enters the degasser 1, the degasser 1 compresses various gases to a certain extent by adopting a compression desorption method, then the gases are separated through gas molecules attached to the solid surface, desorption treatment is carried out while the gases are separated, the degasser 1 discharges the gases into a carrier 2, the gases separated in the degasser 1 are pumped into a drying cylinder 3 from the carrier 2 by an air pump 4, the drying cylinder 3 is used for absorbing moisture in the compressed gases, and the device is kept in a dry state and leads the gases into a gas collector 5 successfully.
Example 2
The embodiment provides a liquid-gas separation device for oil-gas well logging, as shown in fig. 1, comprising a degasser 1, wherein the degasser 1 is sequentially connected with a carrier 2, a drying cylinder 3 and an air pump 4 through pipelines, the degasser 1 is provided with an air inlet 6 and a slurry outlet 8, and the air pump 4 is connected with a gas collector 5 through pipelines.
The deaerator 1 is vertically provided with a filter plate 7, and the air inlet 6 and the slurry outlet 8 are respectively arranged at two sides of the filter plate 7.
When the drilling fluid enters the degasser 1, the degasser 1 compresses various gases to a certain extent by adopting a compression desorption method, then the gases are separated by gas molecules attached to the surface of the solid, desorption treatment is carried out while the gases are separated, meanwhile, impurities are filtered by a filter plate 7 in the degasser 1, the degasser 1 discharges the gases into a carrier 2, the gases separated in the degasser 1 are pumped into a drying cylinder 3 from the carrier 2 by an air pump 4, the drying cylinder 3 is used for absorbing moisture in the compressed gases, and the device is kept in a dry state and leads the gases to a gas collector 5 successfully.
Example 3
The embodiment provides a liquid-gas separation device for oil-gas well logging, as shown in fig. 1, comprising a degasser 1, wherein the degasser 1 is sequentially connected with a carrier 2, a drying cylinder 3 and an air pump 4 through pipelines, the degasser 1 is provided with an air inlet 6 and a slurry outlet 8, and the air pump 4 is connected with a gas collector 5 through pipelines.
The deaerator 1 is vertically provided with a filter plate 7, and the air inlet 6 and the slurry outlet 8 are respectively arranged at two sides of the filter plate 7.
When the drilling fluid enters the degasser 1, the degasser 1 compresses various gases to a certain extent by adopting a compression desorption method, then the gases are separated through gas molecules attached to the surface of the solid, desorption treatment is carried out while the gases are separated, meanwhile, impurities are filtered through a filter plate 7 in the degasser 1, the degasser 1 discharges the gases into a carrier 2, the gases separated in the degasser 1 are pumped into a drying cylinder 3 from the carrier 2 through an air pump 4, the drying cylinder 3 is used for absorbing moisture in the compressed gases, the device is kept in a dry state and the gases are successfully led into a gas collector 5, and one end of the carrier 2 away from the drying cylinder 3 is connected with a U-shaped pipe 9.
The lower end of the carrier is connected with a U-shaped pipe 9, and the liquid column pressure such as the formation of filling clear water realizes the effect of blocking the external air from entering and draining.
Example 4
The embodiment provides a liquid-gas separation device for oil-gas well logging, as shown in fig. 1, the device comprises a degasser 1, wherein the degasser 1 is sequentially connected with a carrier 2, a drying cylinder 3 and an air pump 4 through pipelines, the degasser 1 is provided with an air inlet 6 and a slurry outlet 8, the air pump 4 is connected with a gas collector 5 through a pipeline, and the slurry outlet 8 is connected with a liquid collecting barrel 10 through a pipeline.
The deaerator 1 is vertically provided with a filter plate 7, and the air inlet 6 and the slurry outlet 8 are respectively arranged at two sides of the filter plate 7.
The end of the carrier 2 remote from the drying cylinder 3 is connected with a U-shaped tube 9.
When the drilling fluid enters the degasser 1, the degasser 1 compresses various gases to a certain extent by adopting a compression desorption method, then gas molecules attached to the solid surface are separated, desorption treatment is carried out while the separation is carried out, meanwhile, impurities are filtered by a filter plate 7 in the degasser 1, the degasser 1 discharges the gases into a carrier 2, the gases separated in the degasser 1 are pumped into a drying cylinder 3 from the carrier 2 by an air pump 4, the drying cylinder 3 is used for absorbing moisture in the compressed gases, the device is kept in a dry state and the gases are successfully led into a gas collector 5, and meanwhile, slurry impurities remained in the degasser 1 are collected by a liquid collecting barrel 10, so that the environment is prevented from being polluted and the degasser 1 is blocked.
The lower end of the carrier is connected with a U-shaped pipe 9, and the liquid column pressure such as the formation of filling clear water realizes the effect of blocking the external air from entering and draining.

Claims (3)

1. The utility model provides a liquid gas separation device for oil gas well logging which characterized in that: including degasser (1), degasser (1) has connected gradually carrier (2), dry section of thick bamboo (3) and aspiration pump (4) through the pipeline, degasser (1) is equipped with air inlet (6) and grout outlet (8), vertically in degasser (1) be equipped with filter (7), air inlet (6) and grout outlet (8) are located respectively filter (7) both sides, the one end that dry section of thick bamboo (3) was kept away from to carrier (2) is connected with U type pipe (9).
2. The liquid-gas separation device for oil-gas well logging according to claim 1, characterized in that the suction pump (4) is connected with a gas collector (5) through a pipe.
3. The liquid-gas separation device for oil-gas well logging according to claim 1, characterized in that the grout outlet (8) is connected with a liquid collecting barrel (10) through a pipeline.
CN202322750458.6U 2023-10-12 2023-10-12 Liquid-gas separation device for oil-gas well logging Active CN221131085U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202322750458.6U CN221131085U (en) 2023-10-12 2023-10-12 Liquid-gas separation device for oil-gas well logging

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202322750458.6U CN221131085U (en) 2023-10-12 2023-10-12 Liquid-gas separation device for oil-gas well logging

Publications (1)

Publication Number Publication Date
CN221131085U true CN221131085U (en) 2024-06-14

Family

ID=91416244

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202322750458.6U Active CN221131085U (en) 2023-10-12 2023-10-12 Liquid-gas separation device for oil-gas well logging

Country Status (1)

Country Link
CN (1) CN221131085U (en)

Similar Documents

Publication Publication Date Title
CN210686047U (en) Coal mine underground gas extraction device
CN103541887B (en) Sand-proof and gas-proof integrated oil production device
CN110593799A (en) Concentric tube jet pump drainage gas production wellhead device and drainage gas production method thereof
CN221131085U (en) Liquid-gas separation device for oil-gas well logging
CN203516027U (en) Sand-proof and gas-proof integrated oil production device
CN209086009U (en) A kind of practical river water sampler
CN211528001U (en) Device for rapidly detecting water quality type of mine
CN106290037A (en) A kind of Multi-function sand prevention screen cloth erosive wear resistance evaluating apparatus
CN209838472U (en) Coal bed gas collection device
CN108776041A (en) A kind of air water jet segment from, collect and Water warfare circular treatment test method
CN205157280U (en) Automatic preprocessing device of logging sample gas
CN208236394U (en) A kind of sand control flow string
CN202866868U (en) Novel dehydration and deslagging device used for mine gas extraction pipeline
CN203584385U (en) Double-helical-blade diversion underground cyclone desander
CN207093043U (en) Tubing string is adopted in a kind of coal bed gas and compact sandstone gas underground altogether
CN201330572Y (en) Drilling fluid four-phase separator
CN200999628Y (en) Draft tube used for draining drill mash gas
CN108827678A (en) A kind of air water jet segment from, collect and Water warfare circular treatment experimental rig
CN202300384U (en) Pneumatic quantitative slurry degassing device
CN209124167U (en) A kind of duct type cyclone separation device
CN203081435U (en) Quantitative degassing device
CN210530779U (en) Drilling cutting liquid-containing decrement device based on pulsating negative pressure and vibration screening
CN221014922U (en) Filter device for analysis and detection of oilfield produced water
CN208845127U (en) Water circulation utilization system during a kind of oil exploitation
CN113445970A (en) Ground production increase auxiliary device of coal bed gas single well tolerance

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant