Sharpening an oil drilling bit. A worker holds hot steel oil drill (bit) with tongs. Another worker pounds it with a sledge hammer. A fish tail is fashioned into the bit.The newly sharpened fishtail bit,now fastened to the end of a drill shaft, is lowered into the drill hole. Then a heavy steel pipe is forced down into the drill hole. Roughnecks fasten the new section of pipe to another above it and lower the pipes and drill into the hole. At a depth of 2300 feet, The well yields muddy water with traces of oil in it. Supervisors, in a group, check carefully for the presence of oil.
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Type | Size | Price (USD) Comprehensive All Media License |
Price (USD) Digital-Only License |
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HD Master, Broadcast-ready (1920x1080, unmarked) | 1203 MB | $190.00 | $79.00 |
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