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. 04, 2007
Filed:
Oct. 01, 2004
Mark C. Glaser, Houston, TX (US);
Jack R. Allen, Porter, TX (US);
Gerald M. Ferguson, Houston, TX (US);
Ralph A. Alvarez, Houston, TX (US);
Mark C. Glaser, Houston, TX (US);
Jack R. Allen, Porter, TX (US);
Gerald M. Ferguson, Houston, TX (US);
Ralph A. Alvarez, Houston, TX (US);
Weatherford/Lamb, Inc., Houston, TX (US);
Abstract
A method and apparatus for drilling and completing multiple wellbores from a single drilling rig and from within a single wellhead is provided. In one embodiment, a template is disposed at a predetermined location downhole within a casing. In one aspect, a first casing string is lowered with the template to the predetermined location and disposed within a first wellbore. A second wellbore may be drilled through a bore in the template. A second casing string may then be lowered through the bore into the second wellbore. In another embodiment, at least two wellbores are drilled and completed from a surface casing having a crossover portion.