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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.:

US 5498596 B1

PDFFull Text
Date of Patent:
Mar. 12, 1996

Filed:

Sep. 29, 1993

Non toxic, biodegradable well fluids

Applicant:
Inventors:

Henry Ashjian, East Brunswick, NJ (US);

Larry C Peel, Aberdeen, GB;

Thomas J Sheerin, Woodbridge, NJ (US);

Robert S Williamson, St. Cyrus, GB;

Assignee:

Mobil Oil Corporation, Fairfax, VA (US);

Attorneys:

McKillop; A. J.

Kean; M. D.

Primary Examiner:

Philip Tucker

Int. Cl.
CPC ...
C09K / ; C09K / ;
U.S. Cl.
CPC ...
507103 ; 507905 ;
Abstract

Well fluids such as drilling muds, especially useful in offshore drilling, are formulated with a hydrocarbon oil blend of a low viscosity poly alpha-olefin (PAO) such as a low molecular weight oligomer of decene together with a C.sub.10 to C.sub.18 paraffinic hydrocarbon of petroleum origin and a C.sub.10 to C.sub.18 olefin such as dodecene-1 or tetradecene-1. The fluids exhibit good biodegradability and are non-toxic to marine organisms; they also meet viscosity and pour points specifications for formulation into oil based muds.

Find Patent Forward Citations

Ashjian, Henry. (1996). Non toxic, biodegradable well fluids (U.S. Patent No. 5498596). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5498596

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