Slow corrosion bactiriocide

A fungicide and corrosion-inhibiting technology, used in biocides, animal repellents, plant growth regulators, etc.
CN1555697AInactive Publication Date: 2004-12-22TIANJIN CHEM RES & DESIGN INST
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Patent Information

Authority / Receiving Office
CN ยท China
Current Assignee / Owner
TIANJIN CHEM RES & DESIGN INST
Publication Date
2004-12-22
Estimated Expiration
Not applicable ยท inactive patent

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Abstract

A corrosion-inhibiting bactericide for the recovered liquid, the oil-water mixture and the injecting back water in oil field contains alkoxy imidazoline quaternary ammonium salt, other imidazoline derivatives, alcohol solution and water. Its advantage is high effect on killing sulfate reducing bacteria and preventing corrosion.
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Description

technical field

[0001] The invention relates to a corrosion inhibitor, in particular to a one-agent double-effect type corrosion inhibitor and bactericide. Background technique

[0002] Corrosion has always been a difficult problem in controlling the development and production of crude oil. Major oil companies around the world need to spend huge sums of money to solve this problem every year. However, the major economic losses, casualties and environmental pollution caused by corrosion are catastrophic. The consequences are still frequently reported. The main cause of corrosion in crude oil development and production and processing systems is the H 2 S, CO 2 Electrochemical corrosion, hydrogen embrittlement, etc. caused by the direct erosion of corrosive media such as HCl, salts, organic carboxylic acids, etc.; secondly, the perforation caused by the breeding of sulfate-reducing bacteria and other microorganisms and bacteria commonly present in the processing system corro...

Claims

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