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:
Apr. 28, 2009
Filed:
Apr. 01, 2004
Applicants:
Mark A. Fredette, Houston, TX (US);
James Stephen Hall, Houston, TX (US);
Mark T. Frey, Sugar Land, TX (US);
Dominique Dion, Plaisir, FR;
Inventors:
Mark A. Fredette, Houston, TX (US);
James Stephen Hall, Houston, TX (US);
Mark T. Frey, Sugar Land, TX (US);
Dominique Dion, Plaisir, FR;
Assignee:
Schlumberger Technology Corporation, Sugar Land, TX (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01V 3/10 (2006.01); G01V 3/18 (2006.01);
U.S. Cl.
CPC ...
Abstract
A combined resistivity tool incorporating both induction/propagation antennas and lateral resistivity antennas disposed in recesses of downhole tubulars, in which a lateral resistivity antenna includes an insulating base layer disposed in the recess; a toroidal antenna disposed over the insulating base layer; and a shield disposed over the recess.