Maritime Directory

Aberdeen, Grampian, United Kingdom

Geolink (UK) Ltd. provides MWD and LWD equipment for sale to Independent Service providers. Designer and Manufacturer of Standard Negative and Positive mud pulse and Electromagnetic telemetry Directional Surveying systems including a series of compatible options such as Natural Gamma Ray detection, Induction Resistivity LWD, Downhole Shock and Vibration monitoring, Slim hole options to 2-7/8" and Retrievable tool options.

San Diego, CA, United States

Humphrey, Inc. designs and manufacturea guidance and control and directional survey equipment. Products include gyroscopes, rate sensors, accelerometers, potentiometers, pendulums and magnetometers for missile and aircraft manufac- turers for use in their instrumentation and guidance systems. Humphrey also makes cameras and optical compasses for petroleum and mining industry surveys.