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:
Jan. 08, 2019
Filed:
Jul. 13, 2012
Shanjun LI, Katy, TX (US);
Luis Emilio San Martin, Houston, TX (US);
Michael S. Bittar, Houston, TX (US);
Jing LI, Houston, TX (US);
Shanjun Li, Katy, TX (US);
Luis Emilio San Martin, Houston, TX (US);
Michael S. Bittar, Houston, TX (US);
Jing Li, Houston, TX (US);
Halliburton Energy Services, Inc., Houston, TX (US);
Abstract
Various embodiments include apparatus and methods to make resistivity measurements in a borehole using tool having an array of electrodes operable to provide focused currents, measure corresponding voltages, and measure corresponding voltage differences to determine resistivity. Tools can be configured to operate at a plurality of modes when voltage differences at some frequencies are effectively unreadable. Additional apparatus, systems, and methods are disclosed.