First seismic oil survey from helicopter was carried out by Nederlandse Aardolie Mij over area extending from islands of Schiermonnikoog, in east, to Vlieland in west and reaching some way into open sea off flat north coast of Holland; 2 large rotating-wing aircraft S-58 were employed by World Wide Helicopters Ltd as measuring and shooting aircraft; engineering of entirely new, buoyant measuring cable with ultra-sensitive low drag geophones was necessary; problems involved and details of operational procedure employed in survey.
Seismic survey
Shell Aviation News
Shell Aviation News ; n 307
1964
5 pages
Article (Journal)
English
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REFLECTION SEISMIC SURVEY METHOD AND REFLECTION SEISMIC SURVEY SYSTEM
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