发明名称 |
DRILLING FLUIDS COMPRISING SUB-MICRON PRECIPITATED BARITE AS A COMPONENT OF THE WEIGHTING AGENT AND ASSOCIATED METHODS |
摘要 |
An embodiment of the present invention includes a method comprising circulating a drilling fluid in a well bore, wherein the drilling fluid comprises a carrier fluid; and a weighting agent that comprises precipitated barite having a weight average particle diameter below about 1 micron and a particle having a specific gravity of greater than about 2.6. Another embodiment of the present invention includes a drilling fluid comprising: a carrier fluid; and a weighting agent that comprises precipitated barite having a weight average particle diameter below about 1 micron, and a particle having a specific gravity of greater than about 2.6. Another embodiment of the present invention includes a weighting agent that comprises precipitated barite having a weight average particle diameter below about 1 micron, and a particle having a specific gravity of greater than about 2.6. |
申请公布号 |
WO2009090371(A1) |
申请公布日期 |
2009.07.23 |
申请号 |
WO2009GB00030 |
申请日期 |
2009.01.07 |
申请人 |
HALLIBURTON ENERGY SERVICES, INC.;TURNER, CRAIG, ROBERT;ZHANG, YING |
发明人 |
ZHANG, YING |
分类号 |
C09K8/03 |
主分类号 |
C09K8/03 |
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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