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  2. API well number - Wikipedia

    en.wikipedia.org/wiki/API_well_number

    All three parts of the name are subject to change, especially in the case of a producing well. When an oil or gas field is sold, the operator name will change. If a field is unitized for enhanced oil recovery, the well number and lease name will change. Almost three million wells have been drilled for oil and gas in the United States. [2]

  3. Oil and gas law in the United States - Wikipedia

    en.wikipedia.org/wiki/Oil_and_gas_law_in_the...

    States require a drilling permit before a well begins drilling. Requirements to receive drilling permits generally include minimum setbacks from lease or unit boundaries, and adequate casing and cementing programs. States generally require permits for or notices of major work done on a well, and periodic reports of oil and gas produced.

  4. Exemptions for fracking under United States federal law

    en.wikipedia.org/wiki/Exemptions_for_fracking...

    As of 2022 there are approximately 180,000 Class II wells injecting over 2 billion gallons of fluids daily. Most Class II wells are used for enhanced oil recovery, such as waterfloods. About 20 percent of Class II wells are used in waste disposal, to dispose of produced water, usually brine, into deep formations below the base of fresh water. [21]

  5. Why Biden is approving public lands oil drilling permits ...

    www.aol.com/news/why-biden-approving-public...

    The Biden administration has issued more permits for oil and gas drilling on public land per month than the Trump administration did in its first three years, according to a new analysis of ...

  6. List of abbreviations in oil and gas exploration and production

    en.wikipedia.org/wiki/List_of_abbreviations_in...

    WOC – water/oil contact (or oil/water contact) WOE – well operations engineer (a key person of well services [citation needed]) WOM – wait/waiting on material; WOR – water-oil ratio; WORKO – workover; WOS – west of Shetland, oil province on the UKCS; WOW – wait/waiting on weather; WP – well proposal or working pressure

  7. Fracking in the United States - Wikipedia

    en.wikipedia.org/wiki/Fracking_in_the_United_States

    Environmental Protection Agency illustration of the water cycle of hydraulic fracturing. Fracking in the United States began in 1949. [1] According to the Department of Energy (DOE), by 2013 at least two million oil and gas wells in the US had been hydraulically fractured, and that of new wells being drilled, up to 95% are hydraulically fractured.

  8. Well logging - Wikipedia

    en.wikipedia.org/wiki/Well_logging

    Well logging, also known as borehole logging is the practice of making a detailed record (a well log) of the geologic formations penetrated by a borehole.The log may be based either on visual inspection of samples brought to the surface (geological logs) or on physical measurements made by instruments lowered into the hole (geophysical logs).

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