Layered gas-liquid fluid sampling device in shallow well

A sampling device and gas sampling technology, applied in the direction of wellbore/well components, earthwork drilling and production, etc., can solve the problems of high production cost and complex structure of the device, and achieve the effect of simple structure, convenient sampling operation and cost reduction

Active Publication Date: 2013-12-11
INST OF ROCK AND SOIL MECHANICS - CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The principle of the sampling device is simple, but it is mainly aimed at sampling deep formation fluids

Method used

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  • Layered gas-liquid fluid sampling device in shallow well
  • Layered gas-liquid fluid sampling device in shallow well
  • Layered gas-liquid fluid sampling device in shallow well

Examples

Experimental program
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Example Embodiment

[0045] The present invention will be further described below in conjunction with the drawings and implementation examples:

[0046] A sampling device for stratified gas-liquid fluid in a shallow well, which includes a casing system 10, a simple packer system 20, a liquid sampling system 30, a gas sampling system 40, a sampling system 50, a screw 60, and an adhesive 70 . The specific structural connection relationship of each component is as follows: the lower end of the first simple packer 21 in the simple packer system 20 passes through the first layer of screws 61 in the screws 60 and the first layer of adhesive 71 in the adhesive 70 and the sleeve The upper end of the first sleeve 11 in the pipe system 10 is connected; the lower end of the first sleeve 11 in the sleeve system 10 is connected with the second layer of screws 62 in the screws 60 and the second layer of adhesive 72 in the adhesive 70 The upper end of the second simple packer 22 in the simple packer system 20 is c...

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Abstract

The invention discloses a layered gas-liquid fluid sampling device in a shallow well. The layered gas-liquid fluid sampling device comprises a sleeve system, a simple packer system, a liquid sampling system, a gas sampling system, a sampling system, bolts, and binders, wherein the lower end of a first simple packer is connected with the upper end of a first sleeve through a first layer of bolts and a first layer of binders; the lower end of the first sleeve is connected with the upper end of a second simple packer through a second layer of bolts and a second layer of binders; the lower end of the second simple packer is connected with the upper end of a second sleeve through a third layer of bolts and a third layer of binders; the lower end of the second sleeve is connected with the upper end of a third simple packer through a fourth layer of bolts and a fourth layer of binders. The layered gas-liquid fluid sampling device is simple in structure, low in fabrication cost, convenient to install, and simple and convenient to sample and operate.

Description

technical field [0001] The invention relates to the field of fluid sampling in shallow formations, and more particularly relates to a sampling device for stratified gas-liquid fluid in shallow wells. Background technique [0002] The composition, concentration and distribution of gas and water in shallow formations are important factors related to the survival of surface organisms and human beings. It is of great significance to study the impact of changes in the underground environment or the surrounding environment on the composition, concentration, and distribution of shallow air and water to understand its impact on surface organisms and human living environments. In order to study the shallow subsurface fluid, fluid samples must be obtained first, therefore, a suitable sampler must be available. [0003] At present, according to different research objects and purposes, researchers from all over the world have developed various underground fluid samplers, such as U-shap...

Claims

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Application Information

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IPC IPC(8): E21B49/08
Inventor 李小春方志明魏宁李琦
Owner INST OF ROCK AND SOIL MECHANICS - CHINESE ACAD OF SCI
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