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Detailed Insights Into Natural Gas Drilling Processes

May 30, 2012 | Comments: 0 | Views: 102

Oil and natural gas production is quite a hi-tech process which demands involvement of experienced manpower and also investment of huge amount. Since these natural resources lay buried deep inside the earth surface, it demands lots of technical skill to precisely detect the location and then carry out exploration activity successfully.

Natural gas drilling involves step by step procedure which starts with detection of the area. This is quite an important task since wrong detection may lead to drilling which may prove to be ultimately futile. Oil exploration companies apply computerized techniques like 3-D and 4-D Seismic imaging for this purpose. Once an area has been detected, the company needs to buy the right to drill before the actual drilling begins. The most common drilling method is rotary drilling. This is an operation based on the principle of boring a hole by continuous turning of the bit. The bit is considered the most important tool in the drilling process which comes in different designs. Depending on the drilling requirement, bit of specific shape needs to be selected. This bit remains attached to the drill stem which is composed of hollow lengths of pipe. These pipes are meant to reach deep down the earth. Another important component in the drilling process is the drilling fluid. Commonly known in industry language as mud, it is in fact a prepared chemical compound. The drilling mud is supplied continuously down the drill pipe, into the hole. The mud ultimately reaches a surface pit where it is purified and recycled. This continuous flow of mud helps in removing cuttings from the hole, lubricates and cools the bit in the hole. Cuttings, which are performed by drilling mud, are tested continuously by geologists in order to determine the presence of oil.

Usually this process is followed by the final drilling part. But before that, the company needs to take significant decision i.e., if the well contains enough oil or gas to continue with the final stage of production and whether investment of time and money will be worth it. Once oil has been detected in a porous and permeable reservoir, it needs to be drained out in a systematic manner. Natural gas drilling should be carried out carefully and lots of important decisions are needed to be taken in between. Suppose, after the entire process the well is found to be dry and unproductive. Sometimes, after close assessment it may be discovered that it contains oil and natural gas which are in small portions and hence not worth total investments. Then the well needs to be sealed off properly in order to avoid environment pollution. The entire exploration process needs to be conducted under strict supervision of expert personnel who are well aware of latest techniques.

There are oil exploration companies based at Texas which are doing commendable work in this sector. They have carried out thorough research and come up with environment friendly drilling processes which have yielded positive results till date.

For more details:http://www.breitlingoilandgas.com/

Dewane Smith has been closely associated with Texas based oil and natural gas exploration companies and has gained in-depth knowledge about natural gas drilling and exploration activities. You can refer his online articles for detailed information on this subject.

Source: EzineArticles
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