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Produced water treatment device and technology

A treatment device and technology for produced water, which is applied in mining wastewater treatment, multi-stage water treatment, degassed water/sewage treatment, etc., can solve the problems of insufficient fire protection distance and limited expansion location, etc., and achieve simple on-site construction, solve aggregation, The effect of high integration

Pending Publication Date: 2018-05-04
XIAN CHANGQING TECH ENG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the early stage of oilfield development, only the oil removal unit was implemented due to the low water volume, but in the later stage of oilfield development, according to the needs of production, fine treatment units were added, and there were often problems of limited expansion locations or insufficient fire protection distances during the later increase.

Method used

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  • Produced water treatment device and technology

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] Such as figure 1 As shown, a produced water treatment device at least includes a box body 11, and is characterized in that: a skid body is arranged in the box body 11, and a buffer unit 1, a lift pump 9, and a lift pump 9, Degreasing unit 2, first-level fine filter unit 3, second-level fine filter unit 4, the lower end of the left side of the buffer unit 1 is provided with a water inlet 12, the top of the right side of the buffer unit 1 is rigidly connected to one end of the outlet pipe 16, and the outlet pipe 16 The other end extends to the outside of the tank 11 and is provided with a water outlet 21. The water outlet 21 is rigidly connected to the upper end of the purified water tank. The right side of the buffer unit 1 is located below the water outlet 16 to flexibly connect one end of the pipeline, and the other end of the pipeline is flexibly connected to a One end of the lift pump 9, the other end of the lift pump 9 is rigidly connected to the left end of the oil...

Embodiment 2

[0034] Such as figure 1 As shown, the buffer unit 1 is provided with a buffer water tank, the primary fine filter unit 3 is a multimedia filter, the secondary fine filter unit 4 is a modified fiber ball filter, and the oil removal unit 2 is a three-phase separator.

[0035] The buffer water tank, multi-media filter, modified fiber ball filter, and three-phase separator are all existing technologies. This device integrates these unit parts, which has a high degree of integration and can be manufactured in a factory. The on-site construction is simple and the automation level is high. .

Embodiment 3

[0037] Such as figure 1 As shown, the left end of the upper surface of the box body 11 and the lower end of the right side are provided with vents and fans 5 .

[0038] The upper end of the primary fine filter unit 3 is fixedly connected to the toxic gas detection alarm 6 in the box body 11 .

[0039] A gas detection and alarm device is installed at the position where the toxic gas is released. This device is linked with the start of the explosion-proof ventilation to effectively solve the accumulation of toxic gas in the space and ensure the safety of personnel.

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PUM

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Abstract

The invention discloses a produced water treatment device and technology. The produced water treatment device at least comprises a box body and is characterized in that: a prying body is arranged in the box body; a buffer unit, a lifting pump, an oil removal unit, a first-level fine filtering unit, a second-level fine filtering unit and a backwashing pump are arranged on the prying body sequentially from left to right. According to the produced water treatment method by the device, the produced water is sequentially subjected to buffer treatment, pressurizing treatment, crude separation, advanced treatment, backwashing treatment and separation treatment to realize a purifying treatment process on the produced water; moreover, through linkage and adjustment of buffer and lifting, the devicehas the advantages of high integration level, simple site operation and high automation level.

Description

technical field [0001] The invention relates to the field of oil and gas field produced water treatment, in particular to a produced water treatment device and process. Background technique [0002] Oil and gas field produced water treatment systems are generally composed of oil removal units and fine treatment units. In the past, skid-mounted devices generally integrated lifting units, oil removal units and fine treatment units. During the construction process, buffer units, water treatment rooms and supporting Gas detection, heating, ventilation and other facilities. In the initial stage of oilfield development, only the oil removal unit is implemented due to the small amount of water, but in the later stage of oilfield development, according to the needs of production, fine treatment units are added. In the process of adding later, there are often problems of limited expansion locations or insufficient fire protection distances. Contents of the invention [0003] In or...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F9/02G08B21/14F24D15/00
CPCG08B21/14F24D15/00C02F9/00C02F1/001C02F1/24C02F1/20C02F1/38C02F1/40C02F1/52C02F2103/10C02F2001/007C02F2301/08
Inventor 查广平林罡郭志强王国柱张帆郭晓洁薛洁何志英吴志斌伏渭娜刘梅梅查淑娟贾海军徐文范婧冯启涛徐礼萍王彦斌王晓峰
Owner XIAN CHANGQING TECH ENG