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Single-well parallel gathering and transportation process

A technological process, gathering and transportation technology, applied in the direction of production fluid, wellbore/well components, measurement, etc., can solve the problems of three-phase separator medium change, waste of manpower and material resources, and rising engineering costs, so as to simplify the oil and gas technical process, The effect of high automation level and convenient operation

Inactive Publication Date: 2016-08-17
CHUANZHONG BRANCH KEHONG GASOLINEEUM NATURAL GAS ENG SICHUAN
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Problems solved by technology

[0004] For the accuracy of measurement, gas-liquid-sand three-phase separation is often used in the prior art, and gas-liquid-sand is measured separately. However, due to the complexity of shale gas exploitation conditions, three When the phases are separated, the medium in the three-phase separator will change greatly, which will bring safety hazards
However, the use of manual monitoring at all times wastes a lot of manpower and material resources, and the cost of the project rises. Therefore, it is necessary to develop a separation process to create conditions for the realization of unattended.

Method used

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Embodiment Construction

[0027] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0028] Such as Figure 1~3 As shown, a single well parallel gathering and transportation process includes the following contents:

[0029] A1. The raw material gas of each single well is respectively introduced into the sand removal skid 13 for coarse sand filtration, and the raw material gas of different single wells after the coarse sand filtration is respectively passed into different tube passes 15 of the multi-tube water jacket furnace 14 for throttling Buck. Each single well is respectively connected to the corresponding desander in the desander skid 13 for desandering respectively. The water jacket furnace 14 includes a plurality of tube passes 15, and each tube pass 15 is respectively connected to different desanders, and the raw material gas filtered by the coarse sand is passed into different tube passes 15 of the water jacket furna...

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Abstract

The invention discloses a single-well parallel gathering and transportation process flow. The process flow improves the shale gas process and separates and measures each single well, which not only realizes accurate measurement, but also detects three-phase gas flow through liquid level sensors. The height of the liquid level in the separator, by controlling the automatic opening and closing of the electric valve, realizes automatic gas-liquid separation and transportation, reduces labor intensity and labor costs, and is safe and reliable.

Description

technical field [0001] The invention relates to the technical field of shale gas drainage, in particular to a single well parallel gathering and transportation process. Background technique [0002] Shale gas refers to a very important unconventional natural gas resource that exists in organic-rich mud shale and its interlayers in the state of adsorption or free. The later period is characterized by low output and rapid decline in pressure. Therefore, in the production and drainage of shale gas, in order to grasp the change law of gas and liquid in cluster wells and guide the production management in the later stage, it is necessary to monitor the natural gas and gas fields produced by cluster wells in normal production under the condition of meeting the production demand. Real-time continuous detection and measurement of water is carried out, and at the same time, in order to obtain accurate data of single wells, it is also necessary to carry out real-time continuous detec...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E21B43/34E21B47/00
CPCE21B43/34E21B47/00
Inventor 陈高阳杨昌平唐超杨继鸿徐红果曾其科张龙唐馨鲁勇李汀黄泽惠陈婧李明君唐秋茹龙东刘军李波
Owner CHUANZHONG BRANCH KEHONG GASOLINEEUM NATURAL GAS ENG SICHUAN
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