发明授权
- 专利标题： Methods and aqueous acid solutions for acidizing wells containing sludging and emulsifying oil
- 专利标题（中）： 酸化含有淤泥和乳化油的井的方法和含水酸溶液
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申请号： US10923172申请日： 2004-08-21
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公开(公告)号： US07651982B2公开(公告)日： 2010-01-26
- 发明人: Juanita M. Cassidy , Chad E. Kiser , Jim L. Lane
- 申请人： Juanita M. Cassidy , Chad E. Kiser , Jim L. Lane
- 申请人地址： US OK Duncan
- 专利权人： Halliburton Energy Services, Inc.
- 当前专利权人： Halliburton Energy Services, Inc.
- 当前专利权人地址： US OK Duncan
- 代理机构： Baker Botts LLP
- 代理商 Robert A. Kent
- 主分类号： C09K8/60
- IPC分类号： C09K8/60 ; C09K8/74 ; E21B21/00
摘要：
Methods and aqueous acid solutions for acidizing wells containing sludging and emulsifying oil are disclosed. An aqueous acid solution of the invention comprises water, hydrochloric acid, a cationic hydrochloric acid corrosion inhibitor and a conjugate ion pair of a cationic amine oxide surfactant and an anionic surfactant that does not react with the cationic hydrochloric acid corrosion inhibitor.
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