The Reason Why The Gravity Geophysical Exploration Is Becoming Popular

By Lisa Lee


Even though the seismic exploration is the primary method of exploring petroleum, other methods continue to expand. One such method is the gravity geophysical exploration that has expanded due to its contribution to evaluations that are reliable and discoveries that have been done recently. These discoveries have been made in environments that are deeper and more challenging like sub-salt structures and the deep sea. The points below are on the importance of using gravity exploration.

Before gravity extraction process was improved, the result that it was giving was rough and unreliable. However, this is not the case now; people are getting outstanding results that are easy to analyze. It is no wonder that gravity has become a brother to the seismic method where the two are used together or in some cases gravity can even be used alone.

Initially, no one would have thought that it would be possible to use gravity alone without implementing the seismic. Now, all that has changed and some large companies are using the gravity technique alone during the extraction, and they are successful. This success has been enabled due to the improvement that has been made to the being given by gravity. The data is faster, reliable and better.

There has been improved resolution that allows the scientist to be able to use a very small scale as well as shallow lateral variation in magnetic susceptibility and density. While doing this, the hydro-carbonate plays a significant role. The use of modern gravity can be able to provide a set of observations that is more associated with the character of hydrocarbon play.

There are some places where the old method of extracting has not been able to give the desired outcomes. In such areas, scientists are using gravity, and they are getting results. One of the key elements that make gravity reliable is that it does not have any property of elasticity. Therefore, it becomes a reliable method in rocks that do not readily produce the acoustic energy that is required before extraction takes place. Therefore, the signal of seismic can be able to be attained.

No method of extraction is more reliable at the vertical interface than the gravity method. In most cases, it tends to be applicable to the area where there is a cross between the vertical interface and the susceptibility or the lateral density of the contrast of magnetic.

During this era, there are some situations in the exploration of oil and gas that demand that the method of gravity be applied. In most cases it is used where it can become indispensable in the boosting of seismic explorations. For instance, the reduction of uncertainty in the interpretation of sub-salt reservoirs that are complex is an example of such a scenario.

Due to the results obtained, the advance in technology and the attaining of results at a fast rate, it is possible that there might be a time when it is used alone. This is due to the efficiency it brings; the way it produces results and the way explores are eager to use this method to extract both gas and oil.




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