Invention Grant
- Patent Title: Methods of removing polymers from treatment fluids for use in subterranean formations
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Application No.: US16703793Application Date: 2019-12-04
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Publication No.: US11370676B2Publication Date: 2022-06-28
- Inventor: Preston Andrew May , Hui Zhou , William Walter Shumway
- Applicant: Halliburton Energy Services, Inc.
- Applicant Address: US TX Houston
- Assignee: Halliburton Energy Services, Inc.
- Current Assignee: Halliburton Energy Services, Inc.
- Current Assignee Address: US TX Houston
- Agency: C. Tumey Law Group PLLC
- Agent Tenley Krueger
- Main IPC: C02F1/52
- IPC: C02F1/52 ; C09K8/88 ; C02F1/36 ; C08L39/06 ; C02F101/30

Abstract:
Methods for removing polymers from treatment fluids for use in subterranean formations are provided. In one or more embodiments, the methods include providing a treatment fluid comprising an aqueous base fluid and a polymer comprising polyvinylpyrrolidone or a derivative thereof; and adding a precipitant to the treatment fluid to form a precipitate with at least a portion of the polymer.
Public/Granted literature
- US20210171370A1 METHODS OF REMOVING POLYMERS FROM TREATMENT FLUIDS FOR USE IN SUBTERRANEAN FORMATIONS Public/Granted day:2021-06-10
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