发明名称 |
METHOD OF USING DRILLING FLUIDS CONTAINING BIODEGRADABLE ORGANOPHILIC CLAY |
摘要 |
Methods of drilling comprise: applying torque to a bit within the wellbore and concurrently applying force to urge the bit to extend through the wellbore; and circulating a drilling fluid past the bit to remove cuttings therefrom, the drilling fluid comprising an organophilic clay treated with a quaternary ammonium surfactant having an amide linkage. |
申请公布号 |
EP1877511(A2) |
申请公布日期 |
2008.01.16 |
申请号 |
EP20060743860 |
申请日期 |
2006.01.09 |
申请人 |
HALLIBURTON ENERGY SERVICES, INC. |
发明人 |
MILLER, JEFFREY, J. |
分类号 |
C09K8/36;C09K8/14 |
主分类号 |
C09K8/36 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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