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公开(公告)号：US10703965B2
公开(公告)日：2020-07-07
申请号：US15744000
申请日：2015-09-14
发明人： Jag Pravesh , Rajender Salla , Philip Nguyen , Vaishali Mishra , Sunita Kadam , Rahul Patil
摘要： Various embodiments disclosed relate to proppant including a swellable coating thereon for treatment of subterranean formations. In various embodiments, the present invention provides a method of treating a subterranean formation. The method includes placing in the subterranean formation a proppant including a coating thereon. The coating is swellable with aqueous medium in response to a trigger including acidic pH, CO2, H2S, or a combination thereof.
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公开(公告)号：US20240327553A1
公开(公告)日：2024-10-03
申请号：US18115877
申请日：2023-03-01
IPC分类号： C08F116/06 , C08F8/14 , C08K3/30 , C08K11/00
CPC分类号： C08F116/06 , C08F8/14 , C08K3/30 , C08K11/005 , C08K2003/3045
摘要： A method may include: introducing a water-based drilling fluid comprising an aqueous base fluid and a branched polyvinyl alcohol shale stabilizer into a drill string; extending a wellbore using the drill string through a subterranean formation comprising a shale; and allowing the branched polyvinyl alcohol shale stabilizer to interact with the shale to at least partially inhibit the shale.
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3.发明申请公开(公告)号：US20180201828A1
公开(公告)日：2018-07-19
申请号：US15744000
申请日：2015-09-14
发明人： Jag Pravesh , Rajender Salla , Philip Nguyen , Vaishali Mishra , Sunita Kadam , Rahul Patil
摘要： Various embodiments disclosed relate to proppant including a swellable coating thereon for treatment of subterranean formations. In various embodiments, the present invention provides a method of treating a subterranean formation. The method includes placing in the subterranean formation a proppant including a coating thereon. The coating is swellable with aqueous medium in response to a trigger including acidic pH, CO2, H2S, or a combination thereof.
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