发明授权
- 专利标题: Wellbore fluid
- 专利标题(中): 井筒液
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申请号: US14127153申请日: 2012-06-22
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公开(公告)号: US09574127B2公开(公告)日: 2017-02-21
- 发明人: John W. Chapman
- 申请人: John W. Chapman
- 申请人地址: GB Aberdeen, Aberdeenshire
- 专利权人: M-I Drilling Fluids UK Ltd.
- 当前专利权人: M-I Drilling Fluids UK Ltd.
- 当前专利权人地址: GB Aberdeen, Aberdeenshire
- 代理商 Sara K.M. Hinkley
- 优先权: GB1110672.1 20110623
- 国际申请: PCT/GB2012/051477 WO 20120622
- 国际公布: WO2012/176000 WO 20121227
- 主分类号: C09K8/42
- IPC分类号: C09K8/42 ; E21B33/13 ; C09K8/035
摘要:
The present invention provides a wellbore fluid, such as a drilling, completion or workover fluid, said wellbore fluid comprising a glucomannan additive. Further provided is a method of forming a gel plug from the wellbore fluid, a method of modifying the properties of a wellbore fluid, a method of drilling a subterranean hole with such a fluid and the use of glucomannan in wellbore fluids.
公开/授权文献
- US20150021027A1 WELLBORE FLUID 公开/授权日:2015-01-22