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:
Feb. 10, 1976
Filed:
Feb. 06, 1974
Applicant:
Inventors:
George E Lewis, Arcadia, CA (US);
Charles P Peterman, South Laguna, CA (US);
Assignee:
Hydril Company, Los Angeles, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N / ; E21B / ;
U.S. Cl.
CPC ...
73 19 ; 73153 ;
Abstract
The gas content of well drilling mud under pressure is determined by extracting or isolating a sample of the pressurized mud, as for example at a down-hole location, reducing the pressure of the sample, and sensing the fluid pressure of the sample prior to and following such pressure reduction.