How natural gas is extracted ?
How natural gas is extracted?
Once a potential natural gas deposit has been
located by a team of exploration geologists and geophysicists, it is up to a
team of drilling experts to dig down to where the natural gas is thought to
exist. This section will describe the process of drilling for natural gas, both
onshore and offshore. Although the process of digging deep into the Earth's
crust to find deposits of natural gas that may or may not actually exist seems
daunting, the industry has developed a number of innovations and techniques
that both decrease the cost and increase the efficiency of drilling for natural
gas. Advancements in technology have contributed greatly to the increased
efficiency and success rate for drilling natural gas wells.
Determining whether to drill a well depends on a variety of factors, including the economic potential of the hoped-for natural gas reservoir. It costs a great deal of money for exploration and production companies to search and drill for natural gas, and there is always the inherent risk that no natural gas will be found.
The exact placement of the drill site depends
on many factors, including the nature of the potential formation to be drilled,
the characteristics of the subsurface geology, and the depth and size of the
target deposit. After the geophysical team identifies the optimal location for
a well, it is necessary for the drilling company to ensure that it completes
all the necessary steps so that it can legally drill in that area. This usually
involves securing permits for the drilling operations, establishment of a legal
arrangement to allow the natural gas company to extract and sell the resources
under a given area of land, and a design for gathering lines that will connect
the well to the pipeline.
Source: Anadarko Petroleum Corporation
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