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Shale Oilfield Fuel Tank Polishing

By Iva Cannon


There are millions of tanks all over the world in an almost infinite number of industries, including oil exploration and production. They are being used for transportation, storage, processing and more. From time to time, each and every one of these millions of tanks has to be cleaned. Most of them are located outdoors in places like oilfields, where there is no access to a pump or other oilfield fuel tank polishing equipment. Companies have developed solutions like portable, diesel-powered pumps to make the job easier. As horizontal drilling for shale oil and gas reserves continues to grow, the demand for clean tanks will increase.

New technologies in hydraulic fracturing and horizontal drilling have made it possible to access vast stores of gas and oil from fine-grained sedimentary rock formations, called shale, beneath the surface of the earth. Without these reserves, America would only have enough oil to last another ten years.

Now, thanks to new technologies, no longer will there be oil available to fuel us into the 22nd century, America is also free from having to rely on capricious foreign countries for its energy needs. All this has heavy price. Although the state-of-the-art of shale oil drilling is improving all the time with the aim of reducing its impact on the environment, there remain concerns about the fracturing process triggering earthquakes and contamination of public water supplies.

The technique involves drilling a hole in the Earth's crust underlying shale oil and gas deposits and injecting a mixture of water, sand and chemicals at high pressure. This forces fractures in the shale rock, through which oil and gas flow upwards once the downward pressure has been released. There are seven major shale oil plays in the United States. These are Eagle Ford, Marcellus, Andarko-Woodford, Permian, Granite Wash, Bakken and Niobrara.

Two shale plays, Bakken and Eagle Ford, have so far attracted more than half of the total investment in shale oil and gas development. The Bakken field is found in Eastern Montana and Western North Dakota at a depth of approximately 10,000 feet. Down in southern Texas, Eagle Ford is drilled down to depths between 4,000 and 14,000 feet.

One-fourth of the total money invested in shale oil drilling is split between the Marcellus Shale in Pennsylvania and the Permian Basin in west Texas and New Mexico. The Permian is named for the geologic period from which the shale deposits are derived. Marcellus Shale is one of the shallowest deposits, drilled to a depth of 6,300 feet.

The remaining fraction of the shale oil investment pie is divided amongst Granite Wash (Oklahoma-Texas panhandle), Andarko-Woodford (Oklahoma), and Niobrara (Nebraska). Granite Wash reserves are the deepest reserves, at approximately 15,000 feet.

As the industry grows, so do traffic fatalities and serious injuries from road traffic accidents. Between the Permian and Eagle Ford deposits, there were a total of 696 traffic fatalities and 8,600 accidents in which occupants were either seriously injured or killed. The busiest time of day for serious accidents is for an hour around 5 o'clock in the morning. Most occur between routine traffic and 18-wheelers associated with oil drilling.




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