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:
Sep. 01, 1987
Filed:
Jul. 29, 1986
Applicant:
Inventor:
John J Pritchard, Jr, Harvey, LA (US);
Assignee:
Shell Offshore Inc., Houston, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B / ;
U.S. Cl.
CPC ...
166264 ; 166 55 ; 166165 ; 166167 ; 166169 ; 175 59 ;
Abstract
An apparatus for taking a sample of formation fluid and obtaining temperature and pressure data when the apparatus is lowered into a well casing or pipe string, said apparatus comprising: a sampling device; a gun perforator; two packers, one positioned above and the other positioned below the sampling device; and valves carried by the sampling device.