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:
Dec. 10, 2019

Filed:

Jun. 22, 2016
Applicant:

Schlumberger Technology Corporation, Sugar Land, TX (US);

Inventor:

Christian C. Spring, Houston, TX (US);

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 43/1185 (2006.01); E21B 47/12 (2012.01); E21B 47/14 (2006.01); E21B 43/117 (2006.01);
U.S. Cl.
CPC ...
E21B 43/1185 (2013.01); E21B 43/117 (2013.01); E21B 47/122 (2013.01); E21B 47/14 (2013.01);
Abstract

A system and methodology are provided for improving the triggering (firing) of perforating guns, such as perforating guns deployed downhole via tubing. According to an embodiment, a methodology is provided for dependably communicating with an electronic firing head. The electronic firing head receives signals via wireless telemetry, such as either electromagnetic or acoustical telemetry. The methodology prevents surface or off depth detonation of the perforating guns by utilizing a fire command protocol.


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