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The AAPG/Datapages Combined Publications Database
AAPG Bulletin
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Petroleum exploration with the Gas Exploder and Sparker has been conducted over a number of offshore and inland water-covered areas of interest throughout the world. One of these areas which has received considerable attention has been offshore California.
A description of both the Gas Exploder and Sparker equipments and methods of operation is given; illustrative records of each are shown and discussed. The results are presented in the form of a geologic cross section. The structural configuration is shown in detail. In general offshore California, both the configuration of anticlines and the strike and dip of fault planes can be mapped.
The Gas Exploder obtains continuous reflections down to depths of 3,000-4,000 ft. The seismic source for the Gas Exploder is the underwater explosion of a mixture of propane and oxygen in an open cylinder.
The Sparker obtains continuous reflections down to depths of 600-800 ft. The sound source for the Sparker is the underwater detonation of a 10,000-volt spark discharge. The Sparker shows more detail of the structural configuration down to 600-800 ft. than the Gas Exploder.
Both the Gas Exploder and the Sparker can be operated at the same time on the same survey. Several of the more recent surveys have been conducted in this manner.
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