Invention Grant
- Patent Title: Diverting agent and method of filling fracture in well using the same
-
Application No.: US17397336Application Date: 2021-08-09
-
Publication No.: US11891569B2Publication Date: 2024-02-06
- Inventor: Yasuhiro Hirano , Ryosuke Taniguchi , 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 19023949 2019.02.13
- Main IPC: C09K8/68
- IPC: C09K8/68 ; C09K8/70 ; E21B43/267
Abstract:
A diverting agent is provided which has solubility in water that can be controlled excellently and which does not easily dissolve at an early stage of filling of fractures in a well in excavation method using a hydraulic fracturing method and dissolves in water and can be easily removed after filling is no longer needed. The diverting agent contains powdery polyvinyl alcohol-based resins having an average particle diameter of 800 to 2000 μm.
Public/Granted literature
- US20210363413A1 DIVERTING AGENT AND METHOD OF FILLING FRACTURE IN WELL USING THE SAME Public/Granted day:2021-11-25
Information query
