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  2. Petroleum seep - Wikipedia

    en.wikipedia.org/wiki/Petroleum_seep

    The world's largest natural oil seepage is Coal Oil Point in the Santa Barbara Channel, California. [33] Three of the better known tar seep locations in California are McKittrick Tar Pits, [34] Carpinteria Tar Pits and the La Brea Tar Pits. [35] At Kern River Oil Field, there are no currently active seeps. However, oil-stained formations in the ...

  3. List of oil spills - Wikipedia

    en.wikipedia.org/wiki/List_of_oil_spills

    This is a reverse-chronological list of oil spills that have occurred throughout the world and spill(s) that are currently ongoing. Quantities are measured in tonnes of crude oil with one tonne roughly equal to 308 US gallons , 256 Imperial gallons , 7.33 barrels , or 1165 litres .

  4. Leak-down tester - Wikipedia

    en.wikipedia.org/wiki/Leak-down_tester

    This schematic shows the component parts of a typical leak-down tester. The gauge on the right is held at a standard pressure by adjusting the pressure regulator while the gauge on the left shows an example reading of 85, or 15% leakage. A leak-down tester [2] is essentially a miniature flow meter similar in concept to an air flow bench. The ...

  5. Hydrostatic test - Wikipedia

    en.wikipedia.org/wiki/Hydrostatic_test

    A leak will give a similar result to permanent set, but will be detectable by holding the volume in the pressurised vessel by closing the inlet valve for a period before depressurising, as the pressure will drop steadily during this period if there is a leak. In most cases a permanent set that exceeds the specified maximum will indicate failure.

  6. Did O.C. oil spill come from natural seepage or drilling ...

    www.aol.com/news/did-o-c-oil-spill-180511329.html

    Coast Guard officials have not determined what caused an oil sheen that appeared off the coast of Huntington Beach last week, officials said Monday afternoon. Did O.C. oil spill come from natural ...

  7. Did O.C. oil spill come from natural seepage or drilling ...

    www.aol.com/news/o-c-oil-spill-caused-180511460.html

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  8. Tell-tale (automotive) - Wikipedia

    en.wikipedia.org/wiki/Tell-tale_(automotive)

    A group of tell-tales showing lights for "brake fluid", "stop lamp" and "check engine" Graphical tell-talesA tell-tale, sometimes called an idiot light [1] or warning light, is an indicator of malfunction or operation of a system, indicated by a binary (on/off) illuminated light, symbol or text legend.

  9. On-board diagnostics - Wikipedia

    en.wikipedia.org/wiki/On-board_diagnostics

    The European on-board diagnostics (EOBD) regulations are the European equivalent of OBD-II, and apply to all passenger cars of category M1 (with no more than 8 passenger seats and a Gross Vehicle Weight rating of 2,500 kg, 5,500 lb or less) first registered within EU member states since January 1, 2001 for petrol-engined cars and since January ...