Oil and gas mining, or commonly called as hydrocarbon explorations is the term used by geologists to search for petroleum and gas. Drilling is expensive and therefore hydrocarbon explorations are performed to identify potential areas that contain these deposits while restricting cost and reducing its effect on the environment.

Hydrocarbon Exploration

Before a drill location is identified, geologists must evaluate the region and make sure that five factors exist - source rock, reservoir, migration, seal and trap or cap stone. As explorations are expensive and costly, these variables must be current before any drilling is finished. Once the variables are considered, geologists employ several methods to ensure the success of this drilling. The first methodology involves geophysical survey or seismic survey. This process contains the measurement of electric currents, heat flow, density version, gravitational and magnetic irregularities and geochemical reactions.

Seismic survey is among the popular techniques that geologists use in ascertaining if hydrocarbons exist especially in deep water surveillance. The method makes use of sound to find out the degree of these stone formations in the heavy water. Many businesses make use of vibrator trucks or small explosive charges on property and record the noise by means of a geophone.

Besides tucumann , geologists can also make use of offshore surveys which involves the use of compressed air to make large bubbles that burst upon hitting the surface region. The sound waves in the burst will subsequently travel under and reach the stones in which the vibrations are subsequently listed by hydrophones. As every stone produces different sound waves, geologists will also be able to spot the rock type which exists from the deep.

Some explorations can also use magnetometers and gravimeters to measure the planet’s gravity pull in the surface whereas geochemical prospecting requires the measuring of natural gases using high-tech devices.

Remote Sensing is also one of those techniques that geologists used to determine the construction of the exploration site. An aerial photo is done to map the surface area of the proposed website, showing important details such as the soil type, vegetation, minerals and other features.

In certain instances where data is restricted, some oil and gas firms also perform a wildcat well particularly in areas which are not explored before. The molds provide mining companies information on the site and whether petroleum or natural gas are available.