Invention Grant
- Patent Title: High-temperature fluids for coiled tubing applications and methods thereof
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Application No.: US16652393Application Date: 2018-11-28
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Publication No.: US11795366B2Publication Date: 2023-10-24
- Inventor: Balakrishnan Panamarathupalayam
- Applicant: M-I L.L.C.
- Applicant Address: US TX Houston
- Assignee: SCHLUMBERGER TECHNOLOGY CORPORATION
- Current Assignee: SCHLUMBERGER TECHNOLOGY CORPORATION
- Current Assignee Address: US TX Sugar Land
- Agent Jeffrey D. Frantz
- International Application: PCT/US2018/062683 2018.11.28
- International Announcement: WO2019/108560A 2019.06.06
- Date entered country: 2020-03-30
- Main IPC: C09K8/512
- IPC: C09K8/512 ; C08F220/56 ; E21B17/22
Abstract:
A coiled tubing wellbore fluid may include a base fluid; and a crosslinked and branched polymeric fluid loss control agent formed from at least an acrylamide monomer and a sulfonated anionic monomer; wherein the coiled tubing wellbore fluid has a low shear rate viscosity, measured at 120° F. at 3 rpm, of at least 20,000 centipoise.
Public/Granted literature
- US20200299565A1 High-Temperature Fluids for Coiled Tubing Applications and Methods Thereof Public/Granted day:2020-09-24
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