发明名称 INHIBITIVE WATER-BASED DRILLING FLUID SYSTEM AND METHOD FOR DRILLING SANDS AND OTHER WATER-SENSITIVE FORMATIONS
摘要 <p>An inhibitive water-based polymer mud system and method for using the system in drilling and in stabilizing wellbores is disclosed for use in water sensitive formations as an alternative to oil-based muds. The system compris es a non-ionic low molecular weight polyacrylamide in combination with a non- ionic high molecular weight polyacrylamide, preferably long chain alcohol an d poly anionic cellulose.</p>
申请公布号 CA2564566(C) 申请公布日期 2009.12.15
申请号 CA20052564566 申请日期 2005.04.20
申请人 HALLIBURTON ENERGY SERVICES, INC. 发明人 GREBE, ERNEST LEN;CARBAJAL, DAVID;WEST, GARY C.
分类号 C09K8/12;B01D21/01;C09K8/10;C09K8/52;E21B37/06 主分类号 C09K8/12
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