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.
Patent No.:
Date of Patent:
May. 24, 2016
Filed:
Mar. 11, 2014
Applicant:
Weatherford Technology Holdings, Llc, Houston, TX (US);
Inventors:
Marius Raducanu, College Station, TX (US);
Yildirim Hurmuzlu, McKinney, TX (US);
Sorin Gabriel Teodorescu, The Woodlands, TX (US);
Assignee:
Weatherford Technology Holdings, LLC, Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 47/12 (2012.01); E21B 47/09 (2012.01); E21B 33/16 (2006.01);
U.S. Cl.
CPC ...
E21B 47/09 (2013.01); E21B 33/16 (2013.01); E21B 47/12 (2013.01);
Abstract
The disclosure describes a system and a method for locating a cement plug within a wellbore. The system includes a signal transmitter mounted to the cement plug, a receiver at the opening to the wellbore, one clock positioned on the cement plug and in communication with the transmitter, a second clock which is synchronized to the first clock and in communication with the receiver, and a controller for triggering the transmittal of the signal.