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. 14, 2014
Filed:
Oct. 26, 2011
Applicant:
Hon Chung Lau, Bellaire, TX (US);
Inventor:
Hon Chung Lau, Bellaire, TX (US);
Assignee:
Shell Oil Company, Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 17/18 (2006.01); E21B 33/047 (2006.01); E21B 43/01 (2006.01); E21B 19/00 (2006.01); E21B 41/00 (2006.01);
U.S. Cl.
CPC ...
E21B 43/01 (2013.01); E21B 17/18 (2013.01); E21B 33/047 (2013.01); E21B 19/002 (2013.01); E21B 41/0035 (2013.01);
Abstract
An offshore oil production system, comprising a structure in a body of water, having a portion extending above a surface of the body of water; a wellhead located at a boom of the body of water; a riser extending from the wellhead to the portion extending above the surface; a primary wellbore extending into a subsea formation beneath the body of water; and at least two secondary wellbores extending further into the subsea formation beneath the body of water and beneath the primary wellbore.