A NEW TOWED LOCATING SYSTEM FOR MAPPING SMALL BURIED OR EXPOSED SEALINES

Locating buried small diameter sealines with conventional geophysical methods has always been a problem for the offshore oil industry. Standard towed survey tools, based on reflection seismics or proton magnetometers, suffer from their lack of resolution and sensitivity. The towed magnetometer was developed by French Commisariat a l'Energie Atomique. When simultaneous injection in the sealine of an electric low frequency signal is performed, even cables or flexible pipes with little magnetisation are detected.

• Supplemental Notes:
  • 22nd Annual Offshore Technology Conference, held 7-10 May 1990, Houston, Tx, USA. Proceedings, v 3 paper OTC 6416, p 661 [9 p, 3 ref, 10 fig]
• Authors:
  • Kuhn, H W
  • Robach, F
• Publication Date: 1990

Language

• English

Subject/Index Terms

• TRT Terms: Magnetometers; Underwater pipelines
• Uncontrolled Terms: Underwater cables
• Old TRIS Terms: Towed instrumentation
• Subject Areas: Bridges and other structures; Marine Transportation;

Filing Info

• Accession Number: 00698503
• Record Type: Publication
• Source Agency: British Maritime Technology
• Files: TRIS
• Created Date: Aug 14 1995 12:00AM