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  2. Casing (borehole) - Wikipedia

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

    The purpose of surface casing is to isolate freshwater zones so that they are not contaminated during drilling and completion. Surface casing is the most strictly regulated due to these environmental concerns, which can include regulation of casing depth and cement quality. A typical size of surface casing is 13 + 3 ⁄ 8 inches (340 mm). [5]

  3. Conductor pipe - Wikipedia

    en.wikipedia.org/wiki/Conductor_pipe

    A conductor Pipe is a large diameter pipe that is set into the ground to provide the initial stable structural foundation for a borehole or oil well. [1] The Conductor pipe is the first string of casing and is the largest diameter casing to be installed in a well.

  4. Water supply network - Wikipedia

    en.wikipedia.org/wiki/Water_supply_network

    Potable water is not well distributed in the world. 1.8 million deaths are attributed to unsafe water supplies every year, according to the WHO. [6] Many people do not have any access, or do not have access to quality and quantity of potable water, though water itself is abundant.

  5. Wireline (cabling) - Wikipedia

    en.wikipedia.org/wiki/Wireline_(cabling)

    Wireline truck rigged up to a drilling rig in Canada. In the oil and gas industry, the term wireline usually refers to the use of multi-conductor, single conductor or slickline cable, or "wireline", as a conveyance for the acquisition of subsurface petrophysical and geophysical data and the delivery of well construction services such as pipe recovery, perforating, plug setting and well ...

  6. Copper tubing - Wikipedia

    en.wikipedia.org/wiki/Copper_tubing

    Type Z is a thinner walled pipe, also used for above-ground service, including drinking water supply, hot and cold water systems, sanitation, central heating and other general purpose applications. In the plumbing trade, the size of copper tubing is measured by its outside diameter in millimeters.

  7. Tube well - Wikipedia

    en.wikipedia.org/wiki/Tube_well

    A tube well is a type of water well in which a long, 100–200 millimetres (3.9–7.9 in)-wide, stainless steel tube or pipe is bored underground. The lower end is fitted with a strainer, and a pump lifts water for irrigation. The required depth of the well depends on the depth of the water table.

  8. AOL Mail

    mail.aol.com

    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  9. Electrical conductor - Wikipedia

    en.wikipedia.org/wiki/Electrical_conductor

    3 Wire size. 4 Conductor ampacity. 5 Isotropy. 6 See also. 7 References. ... While pure water is not an electrical conductor, even a small portion of ionic impurities