发明授权
US07703521B2 Polymeric microspheres as degradable fluid loss additives in oilfield applications
失效
聚合微球作为油田应用中的可降解流体损失添加剂
- 专利标题： Polymeric microspheres as degradable fluid loss additives in oilfield applications
- 专利标题（中）： 聚合微球作为油田应用中的可降解流体损失添加剂
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申请号： US12353810申请日： 2009-01-14
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公开(公告)号： US07703521B2公开(公告)日： 2010-04-27
- 发明人: Philip F. Sullivan , Gary John Tustin , Don Williamson , Hemant K. Ladva
- 申请人： Philip F. Sullivan , Gary John Tustin , Don Williamson , Hemant K. Ladva
- 申请人地址： US TX Sugar Land
- 专利权人： Schlumberger Technology Corporation
- 当前专利权人： Schlumberger Technology Corporation
- 当前专利权人地址： US TX Sugar Land
- 代理商 Rachel Greene; David Cate; Robin Nava
- 主分类号： E21B33/13
- IPC分类号： E21B33/13 ; E21B43/267
摘要：
Methods and apparatus for forming a fluid for use within in a subterranean formation including crosslinking a polymer along the surface of microspheres in a water-in-water emulsion and introducing the microspheres into the subterranean formation. Methods and apparatus for forming a fluid for use within in a subterranean formation including crosslinking a polymer along the surface of microspheres in a water in water emulsion, isolating the microspheres from the emulsion, and introducing the microspheres into the subterranean formation. Methods and apparatus for forming a fluid to treat a subterranean formation including introducing a crosslinkable polymer, partitioning agent, and crosslinker into a solvent, crosslinking the crosslinkable polymer, isolating beads of the crosslinkable polymer from the partitioning agent, introducing the beads into a fluid for treating a subterranean formation.