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A skid-mounted crude oil dehydration device

A technology of crude oil dehydration and oil chamber, which is applied in the fields of hydrocarbon oil dehydration/demulsification, dehydration/demulsification adjustment/control, petroleum industry, etc. The effect of long construction period, convenient operation and management, and functional integration

Active Publication Date: 2017-01-25
XIAN CHANGQING TECH ENG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] 1. Under the premise of increasing environmental protection requirements of the national and local governments, the difficulty of land acquisition and compensation for the station are increasing. The conventional dehydration station occupies a large area and the difficulty of land acquisition has become the main problem
[0004] 2. The control points in the process flow are all manual switches, with many operating positions and low degree of self-control
[0005] 3. All equipment is installed in a fixed way. In the case of scale changes, it is difficult to retrofit in the later stage, which is not suitable for the rolling development of oilfields.

Method used

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  • A skid-mounted crude oil dehydration device
  • A skid-mounted crude oil dehydration device

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] This embodiment provides a skid-mounted crude oil dehydration device, including a three-phase separator 1, a skid seat 17 is provided below the three-phase separator 1, and a water chamber liquid level transmitter is provided in the water chamber of the three-phase separator 1 , the lower part of the water chamber is provided with a water chamber electric control valve 9, the oil chamber of the three-phase separator 1 is provided with an oil chamber liquid level transmitter, the lower part of the oil chamber is provided with an oil chamber electric control valve 5, and the top of the three-phase separator 1 is provided with There are pressure transmitters and safety valves 13;

[0022] The liquid level transmitter in the water chamber, the liquid level transmitter in the oil chamber, and the pressure transmitter are all connected to the input end of the PLC controller set on the skid seat 17. The electric control valve 9 for the water chamber, the electric control valve ...

Embodiment 2

[0028] On the basis of Embodiment 1, the PLC controller is set in the explosion-proof control box 16, and the explosion-proof control box 16 is fixed on the skid seat 17; the lower part of the water chamber of the three-phase separator 1 is also provided with a water chamber float liquid level regulator 8 , The lower part of the oil chamber of the three-phase separator 1 is also provided with an oil chamber float level regulator 4 .

[0029] When an accident occurs to the electric control valve 5 of the oil chamber, close the electric control valve 5 of the oil chamber, the purified oil flows out through the oil chamber float liquid level regulator 4 and the purified oil outlet 7, and the oil chamber float liquid level regulator 4 extends in through the connecting rod. In the cavity, the opening of the valve can be adjusted according to the liquid level in the oil chamber to affect the flow of purified oil; similarly, when the electric control valve 9 of the water chamber fails...

Embodiment 3

[0031] On the basis of Embodiment 1, the two ends of the water chamber electric control valve 9 are respectively provided with the produced water electric outlet control valve 22 and the produced water outlet control valve 23, and the two ends of the oil chamber electric control valve 5 are respectively provided with the oil chamber electric valve. Outlet control valve 20, purified oil outlet control valve 21. When the electric control valve 9 of the water chamber or the electric control valve 5 of the oil chamber needs to be overhauled, the electric control valve 9 of the water chamber or the electric control valve 5 of the oil chamber can be removed.

[0032] Working process: One side of the three-phase separator 1 is provided with a production fluid interface 2, and the production fluid from the station is connected to the production fluid interface 2 of the three-phase separator 1, and enters the three-phase separation through the control valve of the three-phase separator ...

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Abstract

The invention belongs to the technical field of oil field dehydration and in particular relates to a skid-mounted crude oil dehydration device. The skid-mounted crude oil dehydration device comprises a three-phase separator, wherein a skid-mounted seat is arranged below the three-phase separator; a water chamber liquid level transmitter is arranged in a water chamber of the three-phase separator; a water chamber electric control valve is arranged on the lower part of the water chamber; an oil chamber liquid level transmitter is arranged in an oil chamber of the three-phase separator; an oil chamber electric control valve is arranged on the lower part of the oil chamber; and a pressure transmitter and a safety valve are arranged on the top of the three-phase separator. According to the skid-mounted crude oil dehydration device provided by the invention, the functions such as dehydration of oil-well produced water, degassing and data detection are integrated, various parts are integrated on a skid-mounted block, an integrated skid-mounted structure is adopted, the device is integrated in function, small in occupied space and convenient to operate and manage, and the problem that the oil-well produced water dehydration equipment is long in construction cycle and large in occupied area is solved.

Description

technical field [0001] The invention belongs to the technical field of oil field dehydration, and in particular relates to a skid-mounted crude oil dehydration device. Background technique [0002] In the development and construction of oilfields, water injection is the most important method, and the corresponding dehydration treatment of oil well production has become an important production link of oilfield gathering and transportation. At present, dehydration stations and combined stations in oilfield construction are equipped with crude oil dehydration treatment facilities. The operation time and operation effect of dehydration equipment are the key factors affecting oilfield construction. The disadvantages of existing conventional dehydration stations are as follows: [0003] 1. Under the premise of increasing environmental protection requirements of the national and local governments, the difficulty of land acquisition and compensation for the station are increasing. T...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C10G33/00
CPCC10G33/00C10G33/08C10G2300/1033C10G2300/201
Inventor 徐娜张巧生张小龙周子栋马勇白振军赵秋雅霍富永张平王昌尧
Owner XIAN CHANGQING TECH ENG