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2. Artesian well - Wikipedia

   en.wikipedia.org/wiki/Artesian_well

   An artesian well is a well that brings groundwater to the surface without pumping because it is under pressure within a body of rock or sediment known as an aquifer. [1] When trapped water in an aquifer is surrounded by layers of impermeable rock or clay, which apply positive pressure to the water, it is known as an artesian aquifer . [ 1 ]

3. Lost circulation - Wikipedia

   en.wikipedia.org/wiki/Lost_circulation

   In oil or gas well drilling, lost circulation [1] [2] [3] occurs when drilling fluid, known commonly as "mud", flows into one or more geological formations instead of returning up the annulus. Lost circulation can be a serious problem during the drilling of an oil well or gas well .

4. Groundwater-related subsidence - Wikipedia

   en.wikipedia.org/wiki/Groundwater-related_subsidence

   Groundwater can be considered one of the last free resources, as anyone who can afford to drill can usually draw up merely according to their ability to pump (depending on local regulations). However, as seen in the figure, pumping-induced draw down causes a depression of the groundwater surface around the production well. This can ultimately ...

5. H2Olympia - Wikipedia

   en.wikipedia.org/wiki/H2Olympia

   The name of the group was revised in July, 2009 from "H2Oly: Artesian Well Advocates." The group was formed to advocate for permanent public access to the artesian water system. [1] The artesian water in Olympia was given notoriety in the slogan, "It's the Water" by the Olympia Brewing Company. The phrase was printed on cans and other marketing ...

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. Well intervention - Wikipedia

   en.wikipedia.org/wiki/Well_intervention

   Well intervention vessel Skandi Constructor. A well intervention, or well work, is any operation carried out on an oil or gas well during, or at the end of, its productive life that alters the state of the well or well geometry, provides well diagnostics, or manages the production of the well.