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Crude oil gas-liquid separation process integration method and equipment

A process integration and oil-gas-liquid technology, which is applied in the direction of production fluid, earthwork drilling, wellbore/well components, etc., can solve the problems of multiple distribution station equipment, complex process flow, large floor area, etc., and achieve technological The effect of simple process, short construction period and small footprint

Active Publication Date: 2016-06-08
PETROCHINA CO LTD
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  • Abstract
  • Description
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Problems solved by technology

At present, there are a series of problems such as many equipments, large floor area and complex process in the distribution station.

Method used

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  • Crude oil gas-liquid separation process integration method and equipment

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Embodiment

[0024] The connection structure of the crude oil gas-liquid separation process integration equipment of the present invention is as follows:

[0025] The incoming oil pipeline A of the heating furnace is connected to the external delivery pump pipeline D through the bypass pipeline gate valve 1, and at the same time is connected to the closed buffer tank 7 through the well group incoming oil gate valve 3, and the closed buffer tank 7 is connected to the external delivery pump pipeline D through the external delivery gate valve 8.

[0026] The airtight buffer tank 7 is connected to the air cooler 20 through the three-way valve I21, the air cooler 20 is connected to the associated gas separator 18 through the three-way valve II19, and the three-way valve I21 is connected to the three-way valve II19 which can be used as a bypass process. After the associated gas liquid separator 18 is connected to the stop valve 17 of the liquid separator, one path is connected to the gas venting ...

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Abstract

The invention discloses a crude oil gas-liquid separation process integration method and its equipment, which are designed to realize integrated functions such as buffering of incoming oil from well groups, oil-gas separation and associated gas liquid separation, and mainly include the connection of a closed buffer tank Furnace incoming oil pipeline, external pump pipeline, hot water pipeline, return water pipeline, sewage pipeline, sand discharge gate valve, sewage gate valve, three-way valve and safety valve, air cooler and associated gas separator connected to the three-way valve, Connect the gas discharge pipeline of the associated gas separator, the gas output pipeline and the heating furnace gas pipeline through the stop valve. The present invention has integrated processing functions such as buffering, oil and gas separation and associated gas liquid separation for incoming oil from the well group, and is respectively suitable for the normal closed gathering and transportation of crude oil, and the production needs of large and small associated gas volumes. The invention has the advantages of simple technological process, short construction period, flexible use and operation, and less occupied area, which is very suitable for the development and construction needs of oilfields.

Description

technical field [0001] The invention relates to a crude oil gas-liquid separation process integration method and equipment thereof, and belongs to the technical field of oilfield ground production capacity construction engineering. Background technique [0002] In the upstream production link of the oil industry, due to technical constraints, a large part of the associated gas in the process of oil extraction and ground gathering and transportation will naturally dissipate, vent or burn. Compared with the disordered exploitation and simple discharge of associated gas, the recovery and utilization of associated gas by active technical means can not only achieve the social and economic benefits of energy saving, emission reduction and low-carbon environmental protection, but also be more conducive to the safe production of oil companies. [0003] In order to fully recover and utilize the associated gas resources, according to the gas-oil ratio of different layers, the surface ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E21B43/34
Inventor 翟博文高淑梅林罡张巧生郭刚邓展飞穆冬玲王璐王昌尧张平
Owner PETROCHINA CO LTD
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