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:
Jan. 11, 2000
Filed:
Aug. 12, 1997
Steven L Jennings, Friendswood, TX (US);
James Kenneth Whanger, Houston, TX (US);
Arne Larsen, Tananger, NO;
John L Baugh, Houston, TX (US);
Brian Wood, Tornaveen Torphins, GB;
Christopher L Gann, The Woodlands, TX (US);
Darrin Willauer, The Woodlands, TX (US);
Mark W Brockman, Houston, TX (US);
David G Forsyth, Aberdeen, GB;
Gerald D Lynde, Houston, TX (US);
Douglas J Murray, Humble, TX (US);
Edwin Schubrick, Spring, TX (US);
James K Jackson, Calgary, CA;
William K Brown, Muscat, OM;
Baker Hughes Incorporated, Houston, TX (US);
Abstract
Junctions in multilateral well structures are sealed by employing a variety of degrees of premachined components and a variety of sealing embodiments, including casing segments having premachined windows, side pocket members which are adapted to reside within the string during run in and move laterally to the deployed position, woven members, cement filled ECPs, etc. Also disclosed is a downhole milling device which cuts a window in a casing segment or other material based upon a predetermined geometric pattern imposed upon the cutting tool by an integral template.