Title:
FLUID LOSS CONTROL AGENT FOR AQUEOUS WELLBORE FLUIDS
Document Type and Number:
WIPO Patent Application WO/2021/113460
Kind Code:
A3
Abstract:
The present disclosure relates to fluid loss control agents for use in a water-based wellbore fluid. The fluid loss control agents generally include non-crosslinked copolymers of non-carboxylated monomers. The present disclosure also relates to water-based wellbore fluids containing the above fluid loss control agents and to methods of servicing a wellbore in a subterranean formation by placing the water-based wellbore fluids in the wellbore.
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Inventors:
PANAMARATHUPALAYAM BALAKRISHNAN (US)
SEBELIN LINUS (US)
SEBELIN LINUS (US)
Application Number:
PCT/US2020/063036
Publication Date:
October 07, 2021
Filing Date:
December 03, 2020
Export Citation:
Assignee:
SCHLUMBERGER TECHNOLOGY CORP (US)
SCHLUMBERGER CA LTD (CA)
SERVICES PETROLIERS SCHLUMBERGER (FR)
SCHLUMBERGER TECHNOLOGY BV (NL)
SCHLUMBERGER CA LTD (CA)
SERVICES PETROLIERS SCHLUMBERGER (FR)
SCHLUMBERGER TECHNOLOGY BV (NL)
International Classes:
C09K8/12; C09K8/44; E21B33/13
Domestic Patent References:
| WO2006077371A2 | 2006-07-27 |
Foreign References:
| US20040129459A1 | 2004-07-08 | |||
| US20190185740A1 | 2019-06-20 | |||
| US20100173804A1 | 2010-07-08 | |||
| US20060137875A1 | 2006-06-29 |
Attorney, Agent or Firm:
GREENE, Rachel et al. (US)
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