How To Go About Oil And Gas Exploration

By Kevin Jackson


The most used sources of energy apart from hydropower are gas and oil. There are many ways that can be used for mining these resources throughout the world. Many companies are today looking for oil and gas wells to mine the necessary recourses using the processes that will be outlined in this article. It is important for companies to look for these resources that are in high demand. Below are ways on how to go about oil and gas exploration.

This process allows the mining firms to search and harvest these natural resources from various parts of the earth. The process of drilling for these hydrocarbons is very expensive and therefore, the exploration is done to identify various areas which contain these resources and can allow for easy mining while putting the cost to a minimum as well as minimizing the environmental impacts.

To know about the source rock, cap rock, and trap that are on the reservoir, the explorers must use the right technology. Knowing about the place is important because the company will be able to drill the right rocks that have the resources. The technology that they can use is called seismic survey. It allows explorers to measure the various aspects of a reservoir which include electrical currents, density variation, heat flow and much more.

The seismic survey serves as one of the common methods used by the mining experts in assessing if the hydrocarbons exist more so in the deep water surveillance. The method uses sound to find out the level of the rock formation especially in deep waters. Established firms use the vibrator trucks and at times the small explosives to record the sound. They record that using a geophone. That helps them easily know the level of the deposits to know how far or near it is from the surface of the earth.

The offshore survey can be used in place of the seismic survey. It uses sound too, but the source of sound is from bubbles that are created by the explorers. When the bubbles burst on the surface of the rock, the sound that they produce will move through the rock. This process makes it possible for explorers to get the information and record it through the hydrophones. Rocks with the products usually produce a different sound so they can single out the source of the resource that they need.

Measuring the gravity of the place can be done by the use of two tools known as Magnetometers and Gravimeters. They are used to measure the level by which the gravity of the earth is pulling the rocks that the resources are located in. Gas explorers use geochemical prospecting to measure the availability gases in the earth. It uses very complicated machines that the explorers know how to use.

For the mining to be effective, the geologists have to assess the structure of the exploration site. They do this through a method called the remote sensing. To start with, an aerial photograph is taken to map the proposed area. This helps to reveal some important details like the vegetation type, soil, minerals and other features.

A wildcat well is used in places with very little information. For very fresh areas, the explorers always consider this method because it is efficient for getting the necessary information on the available resources and how far they are away from the surface of the earth. It is only used if the area is new to the explorers.




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