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U.S. Department of Energy
Office of Scientific and Technical Information

Method of cementing a well

Patent ·
OSTI ID:7303432

A hydraulic cement slurry is disclosed comprising as parts by weight, a hydraulic cement; from 35 to about 65 parts of water per 100 parts of hydraulic cement and a sufficient quantity of both; polyethylene oxide and an alkali metal salt of the condensation product of mononaphthalene sulfonic acid and formaldehyde to reduce the loss of fluid from the cement slurry. A method of cementing locations in a subterranean geologic formation penetrated by a borehole is also disclosed. 5 claims.

Assignee:
Dow Chemical Co.
Patent Number(s):
US 4024918
OSTI ID:
7303432
Country of Publication:
United States
Language:
English