Rotary method of drilling is used to bore through earth crust to reach oil sand below in the United States.
United States USA Date:1923 Duration:4 min 29 sec Sound:NO SOUND
'The Story of Petroleum' shows how an oil field is located and how an oil well is drilled in the United States. A member of a field party makes a contour map in a hilly terrain. A geologist carries a rod. A derrick is built on the established location of the well. Men put drilling equipment at the base of the derrick in the process called 'rigging up'. Equipment of the rotary method of drilling in operation. Animation shows the different strata of the earth crust. Men operate the drilling equipment. The animation shows how a bore is drilled through the layers of shale and sandstone to reach oil sand below.
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