Composition and process for well cleaning
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United States of America Patent
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Jun 3, 2008
Grant Date -
Sep 4, 2003
app pub date -
Feb 28, 2003
filing date -
Mar 1, 2002
priority date (Note) -
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Abstract
Disclosed is a microemulsion well treatment microemulsion that is formed by combining a solvent-surfactant blend with a carrier fluid. In preferred embodiments, the solvent-surfactant blend includes a surfactant and a solvent selected from the group consisting of terpenes and alkyl or aryl esters of short chain alcohols. The disclosed well treatment microemulsion can be used in well remediation, stimulation and hydrogen sulfide mitigation operations. Additionally, the well treatment microemulsion can be used in the production of benzothiophenes through interaction with hydrogen sulfide.
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