CBG Corp, state-of-the-art logging tools and sensors
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专利

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
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