Oil Exploration Services3863019

== [http://www.corporationwiki.com/Texas/Mesquite/ameratex-energy-inc/65223879.aspx Oil Exploration Services] ==

oil and gas exploration) is the search for petroleum geologists and geophysicists for hydrocarbon deposits beneath the earth's surface, such as oil and natural gas. Oil and gas exploration are grouped under the science petroleum geology.
[http://www.corporationwiki.com/Texas/Mesquite/ameratex-energy-inc/65223879.aspx Discovering Natural Gas]
Visible surface features such as oil seeps, natural gas companies seeps, pockmarks (underwater craters caused by escaping gas) provide basic evidence of hydrocarbon generation (be it shallow or deep in the ground). However, most exploration depends on highly sophisticated technology to detect and determine the extent of these deposits using exploration geophysics. Areas thought to contain hydrocarbons are initially subjected to a gravity survey, magnetic interrogation, passive seismic or regional seismic reflection surveys to detect large-scale features of the subsurface geology. Features of interest (known as leads) are subjected to more detailed seismic surveys, working on the principle of the time it takes for the reflected sound waves to travel through matter (rock) of varying densities and use the process depth conversion to create a profile of the substructure. Finally, when a prospect has been identified and evaluated and passes the oil company's selection criteria, an exploration well drilled in an attempt to conclusively determine the presence or absence of oil or gas.
[http://www.corporationwiki.com/Texas/Mesquite/ameratex-energy-inc/65223879.aspx Drilling Oil Wells]
Oil exploration is an expensive, high-risk surgery. Offshore and remote area exploration is generally only undertaken by very large corporations or national governments. Typically shallow shelf oil wells (eg North Sea) cost U.S. $ 10 - 30 million, while deep wells can cost up to $ 100 million plus. Hundreds of small businesses are looking for onshore hydrocarbon deposits worldwide, with some wells costing as little as U.S. $ 100,000.


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