Patents

US Patents
Number	Title
US 7,657,377	Azimuthal Measurement-While-Drilling (MWD) Tool
US 6,765,385	Method, Apparatus and System for Compensating the Effects of Borehole Variations
US 6,727,707	Method and Apparatus for a Downhole Antenna
US 6,603,312	Multi-frequency Array Induction Tool
US 6,084,403	Slim-hole Collar Locator and Casing Inspection Tool
US 6,064,210	Retrievable Resistivity Logging System for use in MWD
International Patents
Number	Title
GB 2,353,596	Directional Resistivity Tool for Measurement While Drilling
GB 2,388,436	Improvements in or relating to Induction Logging of Earth Formations
GB 2,410,335	Method and Apparatus for a Downhole Antenna
CA 2,424,248	A Multifrequency Array Induction Tool
CA 2,463,883	A Borehole Compensation System and Method for a Resistivity Logging Tool
Egypt Pat. No. 22883	Method and Apparatus for Allocating Induced Electric Currents for a Multifrequency System
Nigeria Pat. No. 14664	A Multifrequency Array Induction Tool
Bahrain Pat. No. 1420	Multifrequency Array Induction Tool