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Oilfield oil sludge cleaning agent and preparation method thereof

A technology for sludge and cleaning agent, applied in detergent compounding agent, detergent composition, chemical instrument and method, etc., can solve the problems of incomplete cleaning and low oil cleaning rate, and achieve complete oil cleaning without polluting the environment. , The effect of low processing cost

Inactive Publication Date: 2018-05-25
大庆吉益来科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention aims at overcoming the problem of low oil washing rate of existing oilfield sludge cleaning agents in the background technology and incomplete cleaning, and provides an oilfield sludge cleaning agent

Method used

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  • Oilfield oil sludge cleaning agent and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] Take a 250ml glass reaction vessel and add 80g of water, 2g of sorbitan fatty acid ester (Span 80), 10g of sodium dodecylbenzenesulfonate, and dodecyltrimethylammonium chloride (1231) in sequence 1.6g, coconut oil diethanolamide (6501) 4g, sodium tripolyphosphate 1.2g, sodium citrate 1.2g, stir for 30min until completely dissolved, stirring speed 60 rpm, to make oilfield sludge cleaning agent.

Embodiment 2

[0019] Take a 250ml glass reaction vessel and add 84g of water, 2g of sorbitan fatty acid ester (Span 80), 8g of sodium dodecylbenzenesulfonate, and 1.6g of dodecyltrimethylammonium chloride (1231) , Coconut oil diethanolamide (6501) was 2g, sodium tripolyphosphate 1.2g, sodium citrate 1.2g, stirred for 20min until completely dissolved, and the stirring speed was 90 rpm to prepare oilfield sludge cleaning agent.

Embodiment 3

[0021] Take a 250ml glass reaction vessel and add 84.g of water, sorbitan fatty acid ester (Span 80) to 2g, sodium dodecylbenzenesulfonate 6g, dodecyltrimethylammonium chloride (1231) to 1.6g, coconut oil diethanolamide (6501) 4g, sodium tripolyphosphate 1.2g, sodium citrate 1.2g, stir for 30min until completely dissolved, stirring speed 60rpm, make oilfield sludge cleaning agent.

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Abstract

The invention relates to an oilfield oil sludge cleaning agent. A problem that a conventional oilfield oil sludge cleaning agent is low in oil scrubbing rate and incomplete in cleaning is mainly solved. The oilfield oil sludge cleaning agent is characterized by comprising the following components in percentage by weight: 2-8% of an emulsifier, 1-5% of a washing assistant, 6-15% of sodium dodecyl benzene sulfonate, 1-8% of dodecyl trimethyl ammonium chloride, 2-6% of a thickening agent, 1-5% of a chelating agent and the balance of water. The preparation method comprises the following steps: adding the water, the emulsifier, the sodium dodecyl benzene sulfonate, the dodecyl trimethyl ammonium chloride, the thickening agent, the washing assistant and the chelating agent into a reaction container, and stirring until the materials are completely dissolved, so as to obtain the oilfield oil sludge cleaning agent. The oilfield oil sludge cleaning agent has the oil scrubbing rate of 95% or higher, has excellent dispersing and solubilizing effects and does not pollute the environment.

Description

technical field [0001] The invention relates to an auxiliary agent in the field of oilfield development chemical treatment agents, in particular to an oilfield sludge cleaning agent and a preparation method thereof. Background technique [0002] At present, domestic researches on the treatment of oilfield ground oil and aged oil are very concerned, and some research work has also been carried out, but it is still mainly in the stage of industrial experimentation and has not been realized in large-scale application. Analyzing the reasons, in addition to the complex nature of the oilfield produced fluid, which is difficult to control, the serious environmental pollution of sludge has become one of the most important obstacles. [0003] There are usually two methods of cleaning sludge and aging oil, physical cleaning and chemical cleaning. It is impossible to solve the problem of sludge pollution by purely physical methods, and chemical cleaning agents must be used for cleanin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C11D1/86C11D3/075C11D3/20C11D3/32C11D3/60
CPCC11D1/86C11D1/22C11D1/62C11D1/74C11D3/06C11D3/2086C11D3/32
Inventor 马宏伟张伯承
Owner 大庆吉益来科技有限公司
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