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. 02, 2017
Filed:
Jun. 17, 2014
Applicant:
Well Resolutions Technology, Houston, TX (US);
Inventors:
Tsili Wang, Houston, TX (US);
Borislav J. Tchakarov, Houston, TX (US);
Assignee:
Well Resolutions Technology, Houston, TX (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01V 3/00 (2006.01); E21B 47/12 (2012.01); G01V 3/28 (2006.01);
U.S. Cl.
CPC ...
G01V 3/00 (2013.01); E21B 47/122 (2013.01); G01V 3/28 (2013.01);
Abstract
A modular resistivity sensor disposable in a drillstring having a drill bit on a distal end for drilling a wellbore in a formation, includes a sensor body having a longitudinal axis radially offset from a longitudinal axis of the drillstring, one or more transmitting coil antennas disposed along a length of the sensor body, one or more receiving coil antennas disposed along a length of the sensor body, and a calibrating device configured to calibrate signals generated from the receiving coil antennas.