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  2. Total dissolved solids - Wikipedia

    en.wikipedia.org/wiki/Total_dissolved_solids

    14] Water can be classified by the level of total dissolved solids (TDS) in the water: Fresh water: TDS is less than 1,000 ppm. Brackish water: TDS = 1,000 to 10,000 ppm. Saline water: TDS = 10,000 to 35,000 ppm. Hypersaline: TDS greater than 35,000 ppm. Drinking water generally has a TDS below 500 ppm. Higher TDS Fresh Water is drinkable but ...

  3. 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

  4. Exemptions for fracking under United States federal law

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

    Many oil and gas companies contend that the regulations currently in place are sufficient. The June 2015 draft report of an ongoing EPA study on fracking effects on drinking water listed a number of mechanisms by which fracking can degrade drinking water. The draft report noted among its major findings:

  5. Los Angeles set to build facility to transform wastewater ...

    www.aol.com/news/los-angeles-set-build-facility...

    Through a project called Pure Water Los Angeles, they plan to treat recycled water from the Hyperion Water Reclamation Plant, the city’s largest wastewater treatment facility, and use that water ...

  6. Water injection (oil production) - Wikipedia

    en.wikipedia.org/wiki/Water_injection_(oil...

    In the oil industry, waterflooding or water injection is where water is injected into the oil reservoir, to maintain the pressure (also known as voidage replacement), or to drive oil towards the wells, and thereby increase production. Water injection wells may be located on- and offshore, to increase oil recovery from an existing reservoir.

  7. Produced water - Wikipedia

    en.wikipedia.org/wiki/Produced_water

    A shale gas well being drilled by a drilling rig in Pennsylvania. Produced water is a term used in the oil industry or geothermal industry to describe water that is produced as a byproduct during the extraction of oil and natural gas, [1] or used as a medium for heat extraction.

  8. Safe drinking water returns to UNC Asheville through ... - AOL

    www.aol.com/safe-drinking-water-returns-unc...

    As of Nov. 13, most of UNC Asheville's campus has access to clean water through a temporary water treatment facility built by U.S. Army engineers.

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    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!