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:
Oct. 26, 1976
Filed:
Jul. 17, 1975
Applicant:
Inventor:
John A Craig, Pointe-A-Pierre, TD;
Assignee:
Texaco Trinidad, Inc., Pointe-A-Pierre, TD;
Primary Examiner:
Int. Cl.
CPC ...
E21B / ;
U.S. Cl.
CPC ...
166191 ; 166120 ;
Abstract
An oil well type of tool for testing a plurality of formations in a single trip into the hole. It has a full bore test tool which has a retrievable packer for making conventional tests. In addition there are a plurality of bridge plugs releasably connected in series below the test tool for plugging the hole above each formation after it is tested, without any additional trips into the hole.