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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. 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). In suitable conditions, boreholes over 100 m deep have been drilled with this ...

  4. Drilling engineering - Wikipedia

    en.wikipedia.org/wiki/Drilling_engineering

    Drilling engineering is a subset of petroleum engineering. [1] Drilling engineers design and implement procedures to drill wells as safely and economically as possible. [1] They work closely with the drilling contractor, service contractors, and compliance personnel, as well as with geologists and other technical specialists.

  5. Drilling fluid - Wikipedia

    en.wikipedia.org/wiki/Drilling_fluid

    Used while drilling oil and natural gas wells and on exploration drilling rigs, drilling fluids are also used for much simpler boreholes, such as water wells. The two main categories of drilling fluids are water-based muds (WBs), which can be dispersed and non-dispersed, and non-aqueous muds, usually called oil-based muds (OBs).

  6. Resistivity logging - Wikipedia

    en.wikipedia.org/wiki/Resistivity_logging

    Resistivity logging is used in mineral exploration (for example for exploration for iron and copper ore bodies), geological exploration (deep geological disposal, geothermal wells), and water-well drilling. It is an indispensable tool for formation evaluation in oil- and gas-well drilling.

  7. 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 ...

  8. Shallow water drilling - Wikipedia

    en.wikipedia.org/wiki/Shallow_water_drilling

    Shallow water drilling is the process of oil and gas exploration and production in less than 150 meters (500 feet) of water. [1] Shallow water drilling differs from deepwater drilling in several key aspects. Shallow water rigs have legs that reach the bottom of the sea floor and have blowout preventers (BOPs) above the surface of the water that ...

  9. Well test (oil and gas) - Wikipedia

    en.wikipedia.org/wiki/Well_test_(oil_and_gas)

    Regularly, for example once a month per well, the flow from one and only one selected well is led into the test separator for determining well flow rate for the selected well. [3] The separator divides the flow from the well into the streams of individual products which typically are oil, gas and water, but may include natural-gas condensate ...

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