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. 22, 2015

Filed:

Jun. 13, 2012
Applicants:

Muhammad Asif Ehtesham, Spring, TX (US);

Robert L. Pipkin, Marlow, OK (US);

Tim Hunter, Duncan, OK (US);

Inventors:

Muhammad Asif Ehtesham, Spring, TX (US);

Robert L. Pipkin, Marlow, OK (US);

Tim Hunter, Duncan, OK (US);

Assignee:
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 47/09 (2012.01); E21B 43/00 (2006.01);
U.S. Cl.
CPC ...
E21B 43/00 (2013.01); E21B 47/09 (2013.01);
Abstract

Techniques for correlating depth on a tubular in a wellbore include a casing collar locator tool that includes a tubular mandrel defining a bore therethrough; a top sub-assembly and a bottom sub-assembly carried on the tubular mandrel; a profile carried on the tubular mandrel axially between the top sub-assembly and bottom sub-assembly and adjustable between an engaged state defined by the profile extending radially away from the mandrel and a disengaged state defined by the profile refracted towards the mandrel; and a wedge sleeve carried on the tubular mandrel between the top sub-assembly and the bottom sub-assembly and arranged, at least in part, axially adjacent the profile, the wedge sleeve actuatable to urge the profile into at least one of the engaged state or the disengaged state.


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