The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 24, 1977
Filed:
Jun. 23, 1975
Applicant:
Inventor:
Oliver W Crinkelmeyer, Tulsa, OK (US);
Assignee:
The Dow Chemical Company, Midland, MI (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
E21B / ; E21B / ;
U.S. Cl.
CPC ...
166293 ;
Abstract
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.