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.

Date of Patent:
Feb. 16, 2016

Filed:

May. 20, 2008
Applicants:

Stephen A. Graham, Houston, TX (US);

Philip W. Woodard, Katy, TX (US);

Robert F. Shelley, Katy, TX (US);

Jim B. Surjaatmadja, Duncan, OK (US);

Inventors:

Stephen A. Graham, Houston, TX (US);

Philip W. Woodard, Katy, TX (US);

Robert F. Shelley, Katy, TX (US);

Jim B. Surjaatmadja, Duncan, OK (US);

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
E21B 7/04 (2006.01); E21B 43/26 (2006.01); E21B 7/18 (2006.01); E21B 43/114 (2006.01);
U.S. Cl.
CPC ...
E21B 7/18 (2013.01); E21B 7/046 (2013.01); E21B 43/114 (2013.01); E21B 43/26 (2013.01);
Abstract

Systems and methods for multi-lateral wellbore construction and stimulation from cased parent wellbores. Methods and apparatus are provided to facilitate the creation of casing exit openings in the casing of parent wellbores. Methods and systems are provided for azimuthally and longitudinally aligning drilling assemblies through openings in a parent wellbore casing are provided to allow for drilling multiple lateral wellbores extending outwardly from a parent wellbore. A method of stimulating one or more subterranean zones intersected by multiple lateral wellbores extending outwardly from one or more parent wellbores includes the steps of: simultaneously injecting a stimulation fluid into the lateral wellbores; and stimulating the zones intersected by the lateral wellbores in response to the stimulation fluid injecting step.


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