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Drilling - Wikipedia, the free encyclopedia
Drilling is a cutting process that uses a drill bit to cut or enlarge a hole in solid materials. The drill bit is a multipoint, end cutting tool. It cuts by applying ...
en.wikipedia.org/wiki/Drilling
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drilling - definition of drilling by the Free Online ...
drill 1 (dr l) n. 1. a. An implement with cutting edges or a pointed end for boring holes in hard materials, usually by a rotating abrasion or repeated blows; a bit.
www.thefreedictionary.com/drilling
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Drilling rig - Wikipedia, the free encyclopedia
A drilling rig is a machine which creates holes in the ground. Drilling rigs can be massive structures housing equipment used to drill water wells, oil wells, or ...
en.wikipedia.org/wiki/Drilling_rig
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Pa. Health Care Company Seeks Gas Drilling Facts - ABC News
Some people are absolutely sure gas drilling threatens public health, while others are absolutely sure it doesn't. Geisinger Health Systems is looking for ...
abcnews.go.com/...company-seeks-gas-drilling-facts-16390520
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Parker Drilling
Worldwide company which provides offshore and onshore contract drilling and drilling-related services. (NYSE: PKD)
www.parkerdrilling.com
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