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  2. Well drilling - Wikipedia

    en.wikipedia.org/wiki/Well_drilling

    Tricone rock bit. 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.

  3. Casing (borehole) - Wikipedia

    en.wikipedia.org/wiki/Casing_(borehole)

    Casing that is cemented in place aids the drilling process in several ways: [2] Prevents contamination of fresh water well zones. Prevents unstable upper formations from caving in and sticking the drill string or forming large caverns. Provides a strong upper foundation to allow use of high-density drilling fluid to continue drilling deeper.

  4. Geology of Mississippi - Wikipedia

    en.wikipedia.org/wiki/Geology_of_Mississippi

    The state has up to 125,000 water wells, with the most significant pumping from the Mississippi River alluvial aquifer for agriculture. Analysis of 1369 water wells from 1989 to 2007 found only three wells with unsafe levels of pesticides and agricultural chemicals.

  5. 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 ...

  6. List of artesian wells in the United States - Wikipedia

    en.wikipedia.org/wiki/List_of_artesian_wells_in...

    Ludowici Well, Ludowici, Georgia; Maka Yusota, Savage, Minnesota; McConnell Springs Park, Lexington, Kentucky; Olympia Brewery, Olympia, Washington (see Olympia Brewing Company#Use of artesian water) Polk Theater well, Lakeland, Florida; possibly used in the loop of the first air conditioning system in America; Pryor Avenue Iron Well, Milwaukee ...

  7. Offshore oil and gas in the Gulf of Mexico (United States)

    en.wikipedia.org/wiki/Offshore_oil_and_gas_in...

    A mobile drilling platform in federal water offshore Louisiana, 1957 The state of Louisiana issued its first offshore oil and gas lease in 1936, and the following year the Pure Oil Company discovered the first Louisiana offshore oil field, the Creole Field, 1.2 miles (1.9 km) from the shore of Cameron Parish , from a platform built on timber ...