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公开(公告)号:US06291405B1
公开(公告)日:2001-09-18
申请号:US09043225
申请日:1998-03-11
申请人: LiJien Lee , Arvind D. Patel , Emanuel Stamatakis
发明人: LiJien Lee , Arvind D. Patel , Emanuel Stamatakis
IPC分类号: C09K300
CPC分类号: C09K8/22 , C09K8/06 , C09K8/34 , C09K2208/12
摘要: This invention relates to an improved glycol based aqueous drilling fluid. The drilling fluid of this invention has demonstrated utility in controlling and/or reducing swelling of clay formations in the drilling of subterranean wells.
摘要翻译: 本发明涉及改进的基于二醇的含水钻井液。 本发明的钻井液已经证明在控制和/或减少地下井钻井中粘土地层的膨胀方面的效用。