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Oil detergent for oil sand production

A technology for washing oil and oil sand, applied in detergent compounding agent, detergent composition, petroleum industry and other directions, can solve the problems of low oil washing efficiency, high energy consumption, inability to extract oil, etc., and achieve high oil washing efficiency Effect

Inactive Publication Date: 2014-12-03
NABAI KECHUANG BEIJING TECH DEV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This process has low oil washing efficiency, high energy consumption, and cannot completely extract the oil

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0012] In this example, first prepare 1% sodium hydroxide and 1000 grams of aqueous solution, then add 100 grams of fatty alcohol polyoxyethylene ether and 60 grams of octadecyl dihydroxyethyl betaine, stir well, and then add pyrophosphoric acid Potassium 5 grams, lauryl dimethyl amine oxide 5 grams, the solution is heated to 50 ° C and fully stirred to form an oil washing agent for oil sand mining; Sichuan oil sand samples and 10.31% oil artificial simulated oil sand were cleaned, and the results showed that the oil washing efficiency of the oil washing agent could reach more than 95%.

Embodiment 2

[0014] In this embodiment, take 1000 grams of clear water, then add 80 grams of fatty alcohol polyoxyethylene ether, 50 grams of octadecyl dihydroxyethyl betaine, and then add 5 grams of potassium pyrophosphate, dodecyl dimethyl With 5 grams of amine oxide and 8 grams of sodium hydroxide, the solution was fully stirred to form an oil washing agent for oil sand mining; the self-made small simulated oil storage tank was cleaned with the prepared oil washing agent, and the results showed that the oil cleaning The off rate is 87-97%.

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PUM

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Abstract

The invention relates to an oil detergent for oil sand production in the field of oil production chemistry, which can also be used for industrial oil tank cleaning. The oil detergent is characterized by comprising 5-10% of fatty alcohol polyethenoxy ether, 4-6% of octadecyl dihydroxy ethyl betaine, 0.2-0.5% of potassium pyrophosphate, 0.5-1% of sodium hydroxide, 0.3-0.5% of lauryl dimethyl amine oxide and 82-90% of water. The oil detergent can greatly enhance the oil cleaning efficiency.

Description

technical field [0001] The invention relates to an oil washing agent for oil sand mining, which belongs to the field of petroleum mining chemistry. It can also be used for industrial oil tank cleaning. Background technique [0002] As an unconventional petroleum resource, oil sands occupy a very important position in the world's energy structure. According to statistics, the total oil sand resources in the world are 1.55 trillion tons, accounting for 30% of oil reserves. Oil sand resources have great potential and are an important supplement to the increasingly depleted conventional oil, and will become the focus and hotspot of world energy. [0003] Oil sand mining is divided into in-situ mining and open-pit mining. In-situ mining is similar to general heavy oil mining methods, and thermal recovery is currently the main method. Due to its high recovery rate and high comprehensive economic efficiency, open-pit mining is currently the dominant method for oil sands mining....

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10G1/04C11D1/94C11D3/075
Inventor 陈启华肖贤明陈启文
Owner NABAI KECHUANG BEIJING TECH DEV
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