公开(公告)号：US11767462B2

公开(公告)日：2023-09-26

申请号：US17327291

申请日：2021-05-21

申请人： Kuraray Co., Ltd.

发明人： Ghebrehiwet Ghebremeskel ,  Takuma Kaneshima ,  Keisuke Morikawa ,  Amanda Reneau

IPC分类号： C09K8/508 ,  E21B33/138

CPC分类号： C09K8/5083 ,  C09K8/5086 ,  E21B33/138

摘要： Disclosed are particulate compositions comprising particles of a blend of one or more polyvinyl alcohol polymers with one or more aliphatic polyester polymers, wherein such particulate compositions are useful, for example, as plugging agents for treatments applied to a subterranean formation traversed by the borehole of an oil or gas well.

公开(公告)号：US20210380864A1

公开(公告)日：2021-12-09

申请号：US17327291

申请日：2021-05-21

申请人： Kuraray Co., Ltd.

发明人： Ghebrehiwet Ghebremeskel ,  Takuma Kaneshima ,  Keisuke Morikawa ,  Amanda Reneau

IPC分类号： C09K8/508 ,  E21B33/138

摘要： Disclosed are particulate compositions comprising particles of a blend of one or more polyvinyl alcohol polymers with one or more aliphatic polyester polymers, wherein such particulate compositions are useful, for example, as plugging agents for treatments applied to a subterranean formation traversed by the borehole of an oil or gas well.