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. 15, 1979
Filed:
Aug. 30, 1977
Applicant:
Inventor:
Eric S Micko, Los Altos Hills, CA (US);
Assignee:
Delphian Corporation, Los Altos, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N / ;
U.S. Cl.
CPC ...
204 / ; 2041 / ; 324 29 ;
Abstract
An apparatus for measuring electrochemical species in well drilling mud. The apparatus comprises a sulfide electrode, a pH electrode and a reference electrode. An electrical circuit is provided therefore which provides temperature compensation of the electrochemical signals. A method of using said apparatus to determine hydrogen sulfide in well drilling mud is disclosed.