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  2. Multilevel groundwater monitoring systems - Wikipedia

    en.wikipedia.org/wiki/Multilevel_groundwater...

    Depth-to-water measurements can be made inside the sampling tubing using small-diameter water-level meters. Optional dedicated pressure transducers facilitate continuous, long-term pressure monitoring. Water FLUTe systems are described further by Einarson (2006) [1] and Cherry et al. (2007) and by accessing the FLUTe website.

  3. Depth in a well - Wikipedia

    en.wikipedia.org/wiki/Depth_in_a_well

    Well depth values from the wireline loggers operation are referred to as "logger's depth". The loggers depth are typically considered more reliable than the drillers depth. The differences between loggers and drillers depths are due to different stretch in the drilling string when drilling, and the wire line entered into the bore hole during ...

  4. Acoustic Doppler current profiler - Wikipedia

    en.wikipedia.org/wiki/Acoustic_Doppler_Current...

    The result is the net current profile. Bottom track provides the foundation for surveys of the water currents in coastal areas. In deep water where the acoustic signals cannot reach the bottom, the ship velocity is estimated from a more complex combination of velocity and heading information from GPS, gyro, etc.

  5. Pennsylvania to partner with natural gas driller on in-depth ...

    www.aol.com/news/pennsylvania-partner-natural...

    The state of Pennsylvania will work with a major natural gas producer to collect in-depth data on air emissions and water quality at well sites, enhance public disclosure of drilling chemicals and ...

  6. Driller's depth - Wikipedia

    en.wikipedia.org/wiki/Driller's_depth

    Driller's depth is always recorded, and it constitutes the primary depth system, unless it is later superseded by a more accurate measurement such as the depth from an open- or cased-hole wireline log. Driller's depth should always have 1) a unit of measurement e.g. meter or feet, 2) a datum reference e.g. rig floor.

  7. Nautical chart - Wikipedia

    en.wikipedia.org/wiki/Nautical_chart

    Depths on charts published in most parts of the world use metres. Older charts, as well as those published by the United States government, may use feet or fathoms. Depth contour lines show the shape of underwater relief. Coloured areas of the sea emphasise shallow water and dangerous underwater obstructions.

  8. Oil Creek State Park - Wikipedia

    en.wikipedia.org/wiki/Oil_Creek_State_Park

    Oil Creek State Park is a Pennsylvania state park on 6,250 acres (2,529 ha) in Cherrytree, Cornplanter and Oil Creek Townships, Venango County, Pennsylvania in the United States. The park is adjacent to Drake Well Museum , the site of the first successful commercial oil well in the United States, that was drilled under the direction of Colonel ...

  9. List of dams and reservoirs in Pennsylvania - Wikipedia

    en.wikipedia.org/wiki/List_of_dams_and...

    Following is a list of dams and reservoirs in Pennsylvania. All major dams are linked below. The National Inventory of Dams defines any "major dam" as being 50 feet (15 m) tall with a storage capacity of at least 5,000 acre-feet (6,200,000 m 3 ), or of any height with a storage capacity of 25,000 acre-feet (31,000,000 m 3 ).

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