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  2. Drilling rig - Wikipedia

    en.wikipedia.org/wiki/Drilling_rig

    Cable tool drilling was developed in ancient China and was used for drilling brine wells. The salt domes also held natural gas, which some wells produced and which was used for evaporation of the brine. Drake learned of cable tool drilling from Chinese laborers in the U.S. [4] The first primary product was kerosene for lamps and heaters.

  3. Well - Wikipedia

    en.wikipedia.org/wiki/Well

    Cable tool water well drilling rig in Kimball, West Virginia Water well drilling in Ein Hemed, near Jerusalem circa 1964. Rotary drilling machines use a segmented steel drilling string, typically made up of 3m (10ft), 6 m (20 ft) to 8m (26ft) sections of steel tubing that are threaded together, with a bit or other drilling device at the bottom ...

  4. Well drilling - Wikipedia

    en.wikipedia.org/wiki/Well_drilling

    Well drilling is the process of drilling a hole in the ground for the extraction of a natural resource such as ground water, brine, natural gas, or petroleum, for the injection of a fluid from surface to a subsurface reservoir or for subsurface formations evaluation or monitoring.

  5. Baptist well drilling - Wikipedia

    en.wikipedia.org/wiki/Baptist_well_drilling

    Baptist well drilling diagram in Spanish. Baptist well drilling is a very simple, manual method to drill water wells.The Baptist drilling rig can be built in any ordinary arc welding workshop and materials for a basic version costs about 150 US dollars (2006 prices).

  6. NOV Inc. - Wikipedia

    en.wikipedia.org/wiki/NOV_Inc.

    NOV Inc., formerly National Oilwell Varco, is an American multinational corporation based in Houston, Texas.It is a worldwide provider of equipment and components used in oil and gas drilling and production operations, oilfield services, and supply chain integration services to the upstream oil and gas industry.

  7. Slickline - Wikipedia

    en.wikipedia.org/wiki/Slickline

    Slickline is more commonly used in production tubing. The wireline operator monitors at surface the slickline tension via a weight indicator gauge and the depth via a depth counter 'zeroed' from surface, lowers the downhole tool to the proper depth, completes the job by manipulating the downhole tool mechanically, checks to make sure it worked if possible, and pulls the tool back out by ...

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