Sentence Examples

  • For drilling the deeper wells, the derrick, on account of the length of the " string " of drilling tools, is usually at least 7 o ft.
  • The drilling tools are suspended by an untarred manila rope, 2 in.
  • In 1771 Thomas Jefferson described a " burning spring " in the Kanawha Valley, and when wells were drilled for salt brine near Charleston petroleum and natural gas were found here before there was any drilling for oil in Pennsylvania.
  • If Peter really thought of taking the administration into his own hands, he very soon abandoned the idea and returned to the irregular suburban life he had led during his half- Peter the sister's regency - associating with foreigners who could Great, teach him the mechanical arts of the West, drilling 1689- troops, building and sailing boats, forming projects 1725.
  • The leading features of Tull's husbandry are his practice of laying the land into narrow ridges of 5 or 6 ft., and upon the middle of these drilling one, two, or three rows, distant from one another about 7 in.

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