enow.com Web Search

Search results

  1. Results from the WOW.Com Content Network
  2. Mining - Wikipedia

    en.wikipedia.org/wiki/Mining

    These are oil and gas extraction, coal mining, metal ore mining, nonmetallic mineral mining and quarrying, and mining support activities. [83] Of all of these categories, oil and gas extraction remains one of the largest in terms of its global economic importance.

  3. Extraction of petroleum - Wikipedia

    en.wikipedia.org/wiki/Extraction_of_petroleum

    The oil and gas extraction workforce faces unique health and safety challenges and is recognized by the National Institute for Occupational Safety and Health (NIOSH) as a priority industry sector in the National Occupational Research Agenda (NORA) to identify and provide intervention strategies regarding occupational health and safety issues.

  4. List of largest United States–based employers globally

    en.wikipedia.org/wiki/List_of_largest_United...

    List of largest oil and gas companies by revenue; List of private-equity firms; Lists of companies; Lists of occupations; List of types of tradesman; Fortune Global 500; Forbes Global 2000; List of DJIA companies; NASDAQ Financial-100; List of S&P 500 companies; List of S&P 400 companies; Economy of the United States; List of economic ...

  5. List of Texas companies - Wikipedia

    en.wikipedia.org/wiki/List_of_Texas_companies

    Location of Texas. Texas is a state in the South Central region of the United States. The region's second-quarter 2018 gross state product was 8.6% of the GDP of the country at $1.755 trillion, with significant growth in mining, quarrying, and oil and gas extraction. [1]

  6. Environmental impact of the oil shale industry - Wikipedia

    en.wikipedia.org/wiki/Environmental_impact_of...

    Oil shale mining reduces the original ecosystem diversity with habitats supporting a variety of plants and animals. After mining the land has to be reclaimed, process takes time and cannot necessarily re-establish the original biodiversity. [3] [4] The impact of sub-surface mining on the surroundings will be less than for open pit mines ...

  7. Mining engineering - Wikipedia

    en.wikipedia.org/wiki/Mining_engineering

    Surface gold mine with haul truck in foreground, in Kalgoorlie, Australia. Mining in the engineering discipline is the extraction of minerals from the ground. Mining engineering is associated with many other disciplines, such as mineral processing, exploration, excavation, geology, metallurgy, geotechnical engineering and surveying.

  8. Depletion (accounting) - Wikipedia

    en.wikipedia.org/wiki/Depletion_(accounting)

    Depletion is the using up of natural resources by mining, quarrying, drilling, or felling. According to the IRS Newswire, [2] over 50 percent of oil and gas extraction businesses use cost depletion to figure their depletion deduction. Mineral property includes oil and gas wells, mines, and other natural resource deposits (including geothermal ...

  9. Outline of mining - Wikipedia

    en.wikipedia.org/wiki/Outline_of_mining

    Mining – extraction of valuable minerals or other geological materials from the earth, usually (but not always) from an ore body, vein or (coal) seam. Any material that cannot be grown from agricultural processes, or created artificially in a laboratory or factory , is usually mined.