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How do humans detect whether there is oil underground or undersea?

 Last Update: 2023-02-16
 Source: Internet
 Author: User

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There are two main methods of geophysical exploration: geophysical exploration and logging

Geophysical exploration is mainly based on the difference in the physical properties of underground rock formations, through physical quantity measurement, the study of geological structures or rock formation properties in search of geophysical exploration
of oil and gas.
In petroleum exploration, we mainly rely on geophysical exploration methods to indirectly understand the geological structure and rock formation properties in areas covered by topsoil, deserts and seawater without direct exposure of rock formations to find oil and gas reservoirs
.

Well logging, also known as geophysical logging or oil logging, referred to as logging
.
When oil drilling, after drilling to the depth of the design well, it must be logged, also known as completion electrical survey, in order to obtain various petroleum geological and engineering technical data, as the original data
for completion and development of oilfields.

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