发明授权
US08955587B2 Well completion methods using gellable treatment fluids having long term thermal stability of the gelled state
有权
使用具有胶凝状态的长期热稳定性的可凝胶处理液的完井方法
- 专利标题： Well completion methods using gellable treatment fluids having long term thermal stability of the gelled state
- 专利标题（中）： 使用具有胶凝状态的长期热稳定性的可凝胶处理液的完井方法
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申请号： US13297663申请日： 2011-11-16
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公开(公告)号： US08955587B2公开(公告)日： 2015-02-17
- 发明人: John Walter Sherman , Gary P. Funkhouser , Jay Paul Deville
- 申请人： John Walter Sherman , Gary P. Funkhouser , Jay Paul Deville
- 申请人地址： US TX Houston
- 专利权人： Halliburton Energy Services, Inc.
- 当前专利权人： Halliburton Energy Services, Inc.
- 当前专利权人地址： US TX Houston
- 代理机构： McDermott Will & Emery LLP
- 代理商 Holly Soehnge
- 主分类号： E21B43/26
- IPC分类号： E21B43/26 ; E21B43/16 ; E21B33/13 ; C09K8/508 ; C09K8/512 ; C09K8/68 ; C09K8/88
摘要：
Gellable treatment fluids containing a terpolymer that comprises 2-acrylamido-2-methylpropanesulfonic acid, acrylamide, acrylic acid monomer units can be used in various subterranean operations where it is necessary for the treatment fluid to remain in a gelled state for extended periods of time at high formation temperatures. Methods for treating a subterranean formation can comprise providing a treatment fluid comprising an aqueous carrier fluid, a crosslinking agent, a gel stabilizer, and a terpolymer that comprises 2-acrylamido-2-methylpropanesulfonic acid, acrylamide, and acrylic acid monomer units, or any salt thereof; introducing the treatment fluid into a subterranean formation; allowing the treatment fluid to form a gel in the subterranean formation; and breaking the gel after it has been in the subterranean formation for at least about one day.
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