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:
Jul. 03, 2007
Filed:
Mar. 29, 2004
Dean M. Homan, Sugar Land, TX (US);
Dzevat Omeragic, Sugar Land, TX (US);
Tianhua Zhang, Beijing, CN;
Nicolas Sebline, Houston, TX (US);
Dean M. Homan, Sugar Land, TX (US);
Dzevat Omeragic, Sugar Land, TX (US);
Tianhua Zhang, Beijing, CN;
Nicolas Sebline, Houston, TX (US);
Schlumberger Technology Center, Sugar Land, TX (US);
Abstract
Sensor assemblies including transmitter and receiver antennas to respectively transmit or receive electromagnetic energy. The sensor assemblies are disposed in downhole tools adapted for subsurface disposal. The receiver is disposed at a distance less than six inches (15 cm) from the transmitter on the sensor body. The sensor transmitter or receiver includes an antenna with its axis tilted with respect to the axis of the downhole tool. A sensor includes a tri-axial system of antennas. Another sensor includes a cross-dipole antenna system.