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
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