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A kind of preparation method of petroleum mud sand cleaning agent and lignin-polyene polyamine

A technology of polyene polyamine and cleaning agent, which is applied in the field of preparation of petroleum mud sand cleaning agent and lignin-polyene polyamine, which can solve the problems of poor treatment effect and high required temperature, reduce the amount of addition, improve the treatment effect, The effect of lowering the temperature

Active Publication Date: 2018-03-09
PETROCHINA CO LTD
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Problems solved by technology

[0005] The embodiment of the present invention provides a preparation method of a petroleum mud sand cleaning agent and a lignin-polyene polyamine to solve the problems existing in the prior art when treating oil mud sand with a petroleum mud sand cleaning agent. Less effective technical issues

Method used

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  • A kind of preparation method of petroleum mud sand cleaning agent and lignin-polyene polyamine

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Embodiment Construction

[0020] The embodiment of the present invention provides a preparation method of a petroleum mud sand cleaning agent and a lignin-polyene polyamine, which solves the problems in the prior art that the required temperature is higher and the treatment effect is high when the oil mud sand is treated by the petroleum mud sand cleaning agent. Poor technical issues.

[0021] In order to better understand the above-mentioned technical scheme, the preparation method of lignin-polyene polyamine in petroleum mud sand cleaning agent will be introduced first below, please refer to figure 1 , figure 1 It is a flowchart of the preparation method of the lignin-polyene polyamine provided by the embodiment of the present invention, such as figure 1 Shown, this preparation method comprises:

[0022] S1: Sulfonate lignin with anhydrous sodium sulfite to form sodium lignosulfonate;

[0023] In S1, dissolve lignin and anhydrous sodium sulfite in distilled water, then adjust the acid-base value (...

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Abstract

The embodiment of the invention discloses a petroleum mud-sand cleaning agent and a preparation method of xylogen-polyethylenepolyamine. The petroleum mud-sand cleaning agent comprises 70-80% by weight of xylogen-polyethylenepolyamine, 7.5-17.5% by weight of anhydrous sodium silicate and 7.5-17.5% by weight of T-80, wherein the structural formula of the xylogen-polyethylenepolyamine is shown in the Specification.

Description

technical field [0001] The invention relates to the field of petrochemical industry, in particular to a petroleum mud sand cleaning agent and a preparation method of lignin-polyene polyamine. Background technique [0002] With the development of water injection in oilfields, the sand production of oil wells is getting higher and higher, and the pollution of oily mud sands is becoming more and more serious. Oily mud sands have become an important pollution source in oil fields, and measures must be taken to treat and recycle oily mud sands as soon as possible. [0003] At present, it is a relatively common method to treat oil sludge sand with oil sludge sand cleaning agent, but the average temperature of oil sludge sand treatment is 80°C, and the temperature requirement is relatively high. At the same time, the oil content of oil sludge sand after treatment is 2.5%-5 %, the processing effect is poor. [0004] Therefore, there are technical problems in the prior art that the ...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C11D1/83C08H7/00
Inventor 唐维琴贺爱群陈桂贤陈宏宇刘元威聂世军
Owner PETROCHINA CO LTD