Device for automatic measuring oil and gas

An automatic metering, oil and gas technology, applied in the direction of measuring device, volume flow measuring device, liquid/fluid solid measurement, etc., can solve the problems of poor operation safety, large space occupation, and many metering links, and achieve good reliability and pressure loss Small, high-precision measurement effects

Inactive Publication Date: 2005-11-16
寿焕根
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AI Technical Summary

Problems solved by technology

For the existing separation and measurement technology, it is generally composed of a bulky vertical or horizontal separator supporting auxiliary control and measurement system, which occupies a large space, has many measurement links, low efficiency, high cost, and poor operation safety. It is suitable for oil and gas metering in the exploitation of small oil fields, desert oil fields and offshore oil fields; for multiphase flow metering technology, there are still few commercial multiphase flow products, and for the complex characteristics of oil and gas fluid state, the existing technology is limited. There are certain limitations, and there is still a considerable gap between its measurement range and accuracy from practical applications

Method used

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  • Device for automatic measuring oil and gas
  • Device for automatic measuring oil and gas
  • Device for automatic measuring oil and gas

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Embodiment Construction

[0045] refer to figure 1 , the oil-gas mixture enters the oil-gas separation tank 4 from the oil-gas inlet pipe 1 (tangentially), and the gas-liquid preliminary separation is realized through the centrifugal separator 3, and the gas-containing liquid separated by the separator 3 falls to the ground under the action of gravity (and centrifugal force). On the gas-liquid separation sieve 2, through the sub-sieving of the gas-liquid separation sieve, the free gas in the oil-gas mixture from the pipeline can be completely separated.

[0046] Referring to Fig. 2a and Fig. 2b, the gas-liquid separation screen 2 is an equilateral triangle structure (trumpet), placed horizontally in the middle and upper part of the oil-gas separation tank 4, with the convex surface upward, and the angle θ formed between the convex surface and the section (horizontal plane) of the separation tank 4 Less than 90 °, the convex surface is covered with mesh holes 211, so as to increase the liquid-gas separa...

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Abstract

An automatic metering device of oil gas consists of oil gas separation tank, oil gas stabilization tank and floater regulation valve. It is featured as connecting the separation tank top to oil gas inlet tube, setting gas liquid centrifugal separator here and separation sieve below the separator, connecting the separation tank top and bottom to top and bottom of the stabilization tank, setting gas vent tube and liquid drain tube on top and bottom of the stabilization tank separately, setting the regulation valve in the stabilization tank and connecting it to gas vent tube.

Description

technical field [0001] The invention relates to an oilfield metering device, in particular to an automatic metering device for oil-water-gas three-phase flow. Background technique [0002] The existing oil and gas metering technology can be divided into two categories, one is oil and gas separation metering, that is, the oil and gas mixture is separated into gas and liquid by a separator and then measured in phases; the other is multiphase flow metering, that is, oil and gas are directly metered without separation . For the existing separation and measurement technology, it is generally composed of a bulky vertical or horizontal separator supporting auxiliary control and measurement system, which occupies a large space, has many measurement links, low efficiency, high cost, and poor operation safety. It is suitable for oil and gas metering in the exploitation of small oil fields, desert oil fields and offshore oil fields; for multiphase flow metering technology, there are s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01F7/00
Inventor 寿焕根祝晓红杨守国
Owner 寿焕根
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