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surface prospecting click to hear : surface prospecting

Searching for potential oil deposits by studying the structure of the subsoil using a seismograph.
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See surface prospecting in : french | spanish
seismographic recording petroleum trap shock wave

seismographic recording click to hear : seismographic recording

A recording made using an apparatus called a seismograph; the analysis of its shock wave echoes detects the presence of rock layers that might contain pockets of petroleum or gas.

petroleum trap click to hear : petroleum trap

Assemblage of porous rocks that contain recoverable oil reserves, which are produced from marine or land deposits.

shock wave click to hear : shock wave

The shock wave spreads and sends back an echo, which varies with the density and depth of the layers of subsoil; with this information, the composition of the subsoil can be determined.