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  2. Montana Department of Natural Resources and Conservation

    en.wikipedia.org/wiki/Montana_Department_of...

    The board has the statutory authority to issue oil and gas drilling permits; classify oil and natural gas wells; administer completion, disaster, and reclamation bonds for oil and natural gas wells; oversees and regulates the plugging of abandoned oil and natural gas wells; and levies civil and criminal fines on drillers and well operators who ...

  3. Cat Creek Oil Field - Wikipedia

    en.wikipedia.org/wiki/Cat_Creek_Oil_Field

    Cat Creek Oil Field reached its peak of production in 1922, with 11 wells drilling 3 million barrels of oil. [1] In the 1930s, the Continental Oil Company (CONOCO) had assumed control of the oil fields, and the industry thrived in the 1940s in particular once again. [1] A pilot water-flood project occurred at West dome in 1957.

  4. Well logging - Wikipedia

    en.wikipedia.org/wiki/Well_logging

    Well logging, also known as borehole logging is the practice of making a detailed record (a well log) of the geologic formations penetrated by a borehole.The log may be based either on visual inspection of samples brought to the surface (geological logs) or on physical measurements made by instruments lowered into the hole (geophysical logs).

  5. Elm Coulee Oil Field - Wikipedia

    en.wikipedia.org/wiki/Elm_Coulee_Oil_Field

    This early attempt to exploit the Bakken Formation using horizontal drilling failed because the wells were placed in the shale members of the Bakken. Findley found that the dolomitic middle Bakken member in Montana had oil shows and porosity in sample cuttings, as well as porosity on well logs. Also, the porous middle Bakken member could be ...

  6. 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 ...

  7. AOL Mail

    mail.aol.com

    You can find instant answers on our AOL Mail help page. Should you need additional assistance we have experts available around the clock at 800-730-2563. Should you need additional assistance we have experts available around the clock at 800-730-2563.

  8. Spontaneous potential logging - Wikipedia

    en.wikipedia.org/wiki/Spontaneous_potential_logging

    Spontaneous potential log, commonly called the self potential log or SP log, is a passive measurement taken by oil industry well loggers to characterise rock formation properties. The log works by measuring small electric potentials (measured in millivolts) between depths with in the borehole and a grounded electrode at the surface.

  9. Log ASCII standard - Wikipedia

    en.wikipedia.org/wiki/Log_ASCII_Standard

    Log ASCII standard (LAS) is a standard file format common in the oil-and-gas and water well industries to store well log information. Well logging is used to investigate and characterize the subsurface stratigraphy in a well. A single LAS file can only contain data for one well, but it can contain any number datasets (called "curves") from that ...

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