Online detecting device for liquid flow of gas-liquid mixture

A gas-liquid mixture, liquid flow technology, applied in the direction of volume/mass flow generated by mechanical effects, dynamic effects by detecting fluid flow, etc., can solve problems such as inability to accurately measure liquid flow, and achieve simple measurement principles and accurate measurement results. Effect

Inactive Publication Date: 2018-03-20
SOUTHWEST PETROLEUM UNIV
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  • Abstract
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  • Claims
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Problems solved by technology

[0004] Aiming at the problem that existing flowmeters and sensors cannot accurately measure the liquid flow rate when the produced liquid is a gas-liquid mixture in oil production engineering, the invention discloses an online detection device for the liquid flow rate of the gas-liquid mixture

Method used

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  • Online detecting device for liquid flow of gas-liquid mixture
  • Online detecting device for liquid flow of gas-liquid mixture
  • Online detecting device for liquid flow of gas-liquid mixture

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Embodiment Construction

[0018] The present invention will be further described below in conjunction with the drawings.

[0019] Such as figure 1 As shown, a gas-liquid mixture liquid flow online detection device of the present invention includes a liquid inlet pipe (1), a second valve (2), a first valve (3), a third valve (4), and a second switch (5) , The first switch (6), the first flexible rope (7), the first floating ball (8), the second flexible rope (9), the second floating ball (10), the detection fuel tank (11), the fifth valve ( 12), exhaust pipe (13), seventh valve (14), sixth valve (15), auxiliary fuel tank (16), fourth float (17), fourth flexible rope (18), third float (19), the third flexible cord (20), the third switch (21), the fourth switch (22), the fourth valve (23), and the drain pipe (24).

[0020] The first valve 3 is installed on the branch pipe from the liquid inlet pipe 1 to the detection oil tank 11, and the second valve 2 is installed on the branch pipe from the liquid inlet pip...

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Abstract

The invention discloses an online detecting device for the liquid flow of a gas-liquid mixture. The device comprises a liquid inlet pipe, a second valve, a first valve, a third valve, a second switch,a first switch, a first soft rope, a first floating ball, a second soft rope, a second floating ball, a detection oil box, a fifth valve, an exhausting pipe, a seventh valve, a sixth valve, an auxiliary oil box, a fourth floating ball, a fourth soft rope, a third floating ball, a third soft rope, a third switch, a fourth switch, a fourth valve and a liquid drainage pipe. According to the device,oil feeding and liquid drainage of the detection oil box and the auxiliary oil box are controlled by controlling the open and closed states of the valves, the switches are triggered through the floating balls and the soft ropes, then the liquid levels in the oil boxes are detected, and the open and closed states of the valves are controlled according to the liquid levels. The device has the main advantages that the liquid flow in produced liquid is measured in a mechanical mode through coordination action of the switches and the valves, so that effects of the adhesivity of gas and crude oil inthe produced liquid on the measurement result are avoided, the measurement principle is simple, and the result is accurate.

Description

Technical field [0001] The invention belongs to the field of oil production engineering, and specifically is an online liquid flow detection device. Background technique [0002] In the process of oil exploitation, accurately measuring the liquid flow rate of the produced fluid can calculate the pump fullness, and adjust the pump strokes accordingly, improve oil production efficiency, and realize energy saving and consumption reduction. This is essential for formulating a scientific oil production plan. [0003] At present, the flow measuring device used in the oil field is a flow meter. In the process of petroleum exploitation, the produced liquid is generally a gas-liquid mixture, especially in high gas reservoirs, the gas content of the produced liquid can be as high as 60%, and the current flowmeter cannot accurately measure the liquid flow in the produced liquid. . And because of the high viscosity of crude oil, it is easy to stick to the flowmeter, which also leads to inacc...

Claims

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Application Information

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IPC IPC(8): G01F1/26
CPCG01F1/26
Inventor 李琴陈波黄志强谢豆汤海平
Owner SOUTHWEST PETROLEUM UNIV
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