Natural gas single well multiphase flow metering equipment

A metering equipment, multiphase flow technology, applied in the direction of measurement, production of fluid, wellbore/well components, etc., can solve the problems of complex construction, high test cost, large equipment, etc., to achieve large measurement contact surface, improve separation effect, The effect of reducing equipment investment

Pending Publication Date: 2017-08-01
JIANGSU HUAERWEI TECH GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The object of the present invention is to provide a natural gas single well multi-phase flow metering equipment to solve the problems in the prior art that the equipment is huge, the construction is complicated, the use cost is high, and all single wells cannot be continuously metered. ...

Method used

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  • Natural gas single well multiphase flow metering equipment
  • Natural gas single well multiphase flow metering equipment

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] A natural gas single well multiphase flow metering equipment, such as figure 1 As shown, including gas-liquid separation container system, gas metering system, liquid metering control system, pressure measuring element, temperature measuring element and signal processing system;

[0028] The gas-liquid separation container system includes an inlet connection flange 1, an inlet pipe 2, a liquid inlet baffle 3, sawtooth 4, an inclined baffle 5, a separation container bottom plate 6, a gas-liquid separation net 7, a separation container topping 8, a separation The container cylinder 9, the separator 10 and the bottom plate of the separation chamber 45; the separation container topping 8 is welded on the upper part of the separation container cylinder 9, the separation container bottom plate 6 is welded on the bottom of the separation container cylinder 9, and the gas-liquid separation net 7 is welded on the separation container cylinder 9 The upper part, the inlet connecti...

Embodiment 2

[0036] A single-well multiphase flow metering device for natural gas, similar to Embodiment 1, the difference is that the metering device also includes a box assembly, and the box assembly includes a box shell 43; a gas-liquid separation container system, a gas The metering system, the liquid metering control system, the pressure measuring element, the temperature measuring element and the signal processing system are arranged in the box shell 43 .

[0037] In this way, all its measuring components are placed in the box shell 43, so as to prevent the measuring system from being exposed to the wind and the sun, and to avoid premature aging and damage of the measuring instruments caused by environmental factors.

Embodiment 3

[0039] A single-well multiphase flow metering device for natural gas is similar to Embodiment 2, the difference is that the box assembly also includes an insulation layer 44 , and the insulation layer 44 is attached to the inner wall of the box shell 43 .

[0040] In this way, it adopts the self-insulation design idea, which can avoid the damage to the measurement system (especially avoid the freezing of the liquid in the separation container) under the low temperature working conditions in the wild in the north, so that the instrument is still not easy to be damaged in the low temperature environment. .

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Abstract

The invention discloses natural gas single well multiphase flow metering equipment comprising a gas-liquid separation container system, a gas metering system, a liquid metering control system, a pressure measuring element, a temperature measuring element and a signal treatment system. The natural gas single well multiphase flow metering equipment is suitable for effectively metering a large number of existing intermittent liquid outlet gas well with foam scrubbing, plunger gas lift and the like; metering precision can be improved; and the natural gas single well multiphase flow metering equipment is suitable for being used in a severe field environment, light, low in using cost, more powerful in function, high in measuring using safety, high in automation degree and capable of saving manpower and equipment resources, meets the natural gas single well metering requirement and is wide in applicable occasion and considerable in application and market prospect.

Description

technical field [0001] The invention relates to the technical field of metering equipment, in particular to a natural gas single well multiphase flow metering device. Background technique [0002] At present, natural gas fields adopt inter-well connection and wellhead wet gas metering technology, and single-phase flowmeters are used to measure the gas production of a single well, and there is no single-well liquid production measurement. As the gas field enters the stable production stage, the lack of single well fluid production data restricts the fine management of gas wells and the optimization and effect evaluation of drainage and gas production measures. In order to grasp the water production of gas wells and evaluate the effect of key well measures, skid-mounted separation metering devices are often used to measure the gas-liquid production of gas wells on site. However, the equipment is huge, complicated to construct, and expensive to use, and cannot continuously meas...

Claims

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Application Information

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IPC IPC(8): E21B43/34E21B47/00E21B47/06E21B47/07
CPCE21B43/34E21B47/00E21B47/06E21B47/07
Inventor 陈雪中程来杰陈光远
Owner JIANGSU HUAERWEI TECH GRP
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