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:
May. 10, 2016

Filed:

Jan. 16, 2013
Applicant:

Halliburton Energy Services, Inc., Houston, TX (US);

Inventors:

Kendall Lee Pacey, Duncan, OK (US);

Kevin Thomas Berscheidt, Marlow, OK (US);

Matthew Todd Howell, Duncan, OK (US);

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
E21B 34/12 (2006.01); E21B 34/10 (2006.01); E21B 34/06 (2006.01); E21B 47/10 (2012.01);
U.S. Cl.
CPC ...
E21B 34/103 (2013.01); E21B 34/063 (2013.01); E21B 47/1025 (2013.01);
Abstract

A wellbore servicing system comprising a pressure testing valve incorporated within a casing string and comprising a housing comprising one or more ports and an axial flowbore, a sliding sleeve, wherein the sliding sleeve is positioned within the housing and transitional from a first position to a second position through a sliding sleeve stroke, wherein, in the first position, the sliding sleeve blocks a route of fluid communication via the one or more ports and, in the second position the sliding sleeve does not block the route of fluid communication via the one or more ports, wherein the pressure testing valve is configured such that application of a predetermined pressure to the axial flowbore for a predetermined duration causes the sliding sleeve to transition from the first position to the second position, wherein the predetermined duration is at least about one minute.


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