Invention Grant
- Patent Title: Diverting agent and method of filling fracture in well using the same
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Application No.: US18090917Application Date: 2022-12-29
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Publication No.: US12077697B2Publication Date: 2024-09-03
- Inventor: Kazutoshi Tsuji , Norihito Sakai , Tomoya Fujita , Takahiro Saka , Chizuko Furo
- Applicant: MITSUBISHI CHEMICAL CORPORATION
- Applicant Address: JP Tokyo
- Assignee: MITSUBISHI CHEMICAL CORPORATION
- Current Assignee: MITSUBISHI CHEMICAL CORPORATION
- Current Assignee Address: JP Tokyo
- Agency: GREENBLUM & BERNSTEIN, P.L.C.
- Priority: JP 17155040 2017.08.10 JP 17254842 2017.12.28 JP 17254843 2017.12.28
- Main IPC: C09K8/72
- IPC: C09K8/72 ; C08F16/06 ; C09K8/68 ; E21B43/26

Abstract:
A problem to be solved of the present invention is to provide a diverting agent which gradually dissolves in water. The present invention relates to a diverting agent containing a polyvinyl alcohol-based resin and a method of filling a fracture using the diverting agent.
Public/Granted literature
- US20230147740A1 DIVERTING AGENT AND METHOD OF FILLING FRACTURE IN WELL USING THE SAME Public/Granted day:2023-05-11
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