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  2. Artesian Water Co. Pumphouse and Wells - Wikipedia

    en.wikipedia.org/wiki/Artesian_Water_Co._Pump...

    The Artesian Water Co. Pumphouse and Wells in Boise, Idaho, include a rectangular building, 27 feet by 50 feet, with battered walls that conform to the inward slope of two drill derricks which supported the original structure. The building houses two pumps that circulate geothermally heated water from wells installed in 1890.

  3. Well drilling - Wikipedia

    en.wikipedia.org/wiki/Well_drilling

    Tricone rock bit. Well drilling is the process of drilling a hole in the ground for the extraction of a natural resource such as ground water, brine, natural gas, or petroleum, for the injection of a fluid from surface to a subsurface reservoir or for subsurface formations evaluation or monitoring.

  4. Casing (borehole) - Wikipedia

    en.wikipedia.org/wiki/Casing_(borehole)

    Casing that is cemented in place aids the drilling process in several ways: [2] Prevents contamination of fresh water well zones. Prevents unstable upper formations from caving in and sticking the drill string or forming large caverns. Provides a strong upper foundation to allow use of high-density drilling fluid to continue drilling deeper.

  5. Mud engineer - Wikipedia

    en.wikipedia.org/wiki/Mud_engineer

    Mud is a vital part of drilling operations. It provides hydrostatic pressure on the borehole wall to prevent uncontrolled production of reservoir fluids, lubricates and cools the drill bit, carries the drill cuttings up to the surface, forms a "filter-cake" on the borehole wall to prevent drilling fluid invasion, provides an information medium for well logging, and helps the drilling by ...

  6. Boart Longyear - Wikipedia

    en.wikipedia.org/wiki/Boart_Longyear

    On July 15, 2013, Boart Longyear announced the sale of its Environmental and Infrastructure drilling services operations to Cascade Drilling, L.P. of Woodinville, Washington. [ 8 ] [ 9 ] In August 2013, Boart Longyear founder, Edmund J. Longyear, was nominated for inclusion in the International Mining Hall of Fame, having been inducted into the ...

  7. Caliper log - Wikipedia

    en.wikipedia.org/wiki/Caliper_log

    A caliper log is a well logging tool that provides a continuous measurement of the size and shape of a borehole along its depth [1] and is commonly used in hydrocarbon exploration. The measurements that are recorded can be an important indicator of wash-outs, cave ins or shale swelling in the borehole, which can affect the results of other well ...

  8. Lake Cascade - Wikipedia

    en.wikipedia.org/wiki/Lake_Cascade

    Lake Cascade (formerly Cascade Reservoir), [1] is a reservoir in the western United States, on the North Fork of the Payette River in Valley County, Idaho. Located in the Boise National Forest , it has a surface area of 47 square miles (122 km 2 ), and is the fourth largest lake or reservoir in the state.

  9. Stibnite Mining District - Wikipedia

    en.wikipedia.org/wiki/Stibnite_Mining_District

    A specimen of stibnite. The Stibnite Mining District sits atop the Idaho Batholith, one of the signature features of Idaho’s unique geology.The Idaho Batholith is nearly 14,000 square miles (36,000 km 2) of granite, formed from the collision of the oceanic plate and the North American Plate around 100 million years ago during the Cretaceous period. [10]

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