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. 11, 1994
Filed:
Aug. 07, 1992
Applicant:
Inventors:
Alfred R Curington, The Woodlands, TX (US);
L Cameron White, Houston, TX (US);
Daniel S Bangert, Kingwood, TX (US);
Assignee:
Baker Hughes Incorporated, , DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B / ;
U.S. Cl.
CPC ...
166313 ; 166384 ; 166 50 ;
Abstract
In accordance with the present invention, a plurality of methods and devices are provided for solving important and serious problems posed by lateral (and especially multilateral) completion in a wellbore including methods and devices for sealing the junction between a vertical and lateral well. Several methods are disclosed which utilize a novel guide or mandrel which includes side pockets for directing liners into a lateral wellbore. Other methods include the use of extendable tubing and deflector devices which aid in the sealing process.