发明名称 |
FUNCTIONALLY GRADED SWELLABLE PACKERS |
摘要 |
<p>A swellable packer including a tubular member and a swellable element. The tubular member is disposable on a mandrel configured to be deployed into a wellbore. The swellable element is disposed around the tubular member, and has segments of different cross link densities, with the segments configured to provide a varying cross link density in the swelleable element along a thickness of the swellable element, an azimuth of the swellable element, or both.</p> |
申请公布号 |
WO2011062884(A1) |
申请公布日期 |
2011.05.26 |
申请号 |
WO2010US56797 |
申请日期 |
2010.11.16 |
申请人 |
SCHLUMBERGER CANADA LIMITED;SERVICES PETROLIERS SCHLUMBERGER;SCHLUMBERGER HOLDINGS LIMITED;SCHLUMBERGER TECHNOLOGY B.V.;PRAD RESEARCH AND DEVELOPMENT LIMITED;SCHLUMBERGER TECHNOLOGY CORPORATION;VAIDYA, NITIN;BARMATOV, EVGENY |
发明人 |
VAIDYA, NITIN;BARMATOV, EVGENY |
分类号 |
E21B33/12 |
主分类号 |
E21B33/12 |
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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