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:
Jun. 21, 2016

Filed:

Mar. 02, 2012
Applicants:

Richard T. Hay, Spring, TX (US);

Gary Althoff, Houston, TX (US);

Inventors:

Richard T. Hay, Spring, TX (US);

Gary Althoff, Houston, TX (US);

Assignee:
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 33/13 (2006.01); E21B 33/03 (2006.01); E21B 7/04 (2006.01); E21B 43/00 (2006.01); E21B 43/16 (2006.01); E21B 29/12 (2006.01); E21B 43/30 (2006.01); E21B 43/14 (2006.01);
U.S. Cl.
CPC ...
E21B 43/14 (2013.01); E21B 7/04 (2013.01); E21B 43/30 (2013.01); E21B 43/305 (2013.01);
Abstract

Drain wells can be used to direct a fluid to a central production well in a subsurface well system. Subsurface well systems can include a production well extending from the earth's surface, a collection region having a fluid connection to the production well and either being contiguous with the production well or comprising a collection well that intersects or is in fluid communication with the production well, and at least one branched drain well extending laterally from the production well and including one or more branches that extend from the at least one branched drain well, wherein at least one of the one or more branches intersects or is in fluid communication with the collection region.


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