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. 27, 1981
Filed:
Aug. 04, 1980
Applicant:
Inventors:
Eugene E Baker, Duncan, OK (US);
Ernest E Carter, Jr, Duncan, OK (US);
Assignee:
Halliburton Services, Duncan, OK (US);
Primary Examiner:
Int. Cl.
CPC ...
E21B / ;
U.S. Cl.
CPC ...
166191 ; 2851 / ;
Abstract
An isolation packer extension doubles the distance between upper and lower packer assemblies of an isolation packer so that less accurate positioning thereof is required when performing cementing operations from a floating vessel.