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  2. List of oilfield service companies - Wikipedia

    en.wikipedia.org/wiki/List_of_oilfield_service...

    ABB; Abbot Group; Acteon; Aibel; Aker Solutions; BGR Energy Systems; Calfrac Well Services; Canary (formerly Frontier Energy Group); CGG; China Oilfield Services ...

  3. Exploration diamond drilling - Wikipedia

    en.wikipedia.org/wiki/Exploration_diamond_drilling

    Drilling rig capable of both diamond and reverse circulation drilling. Exploration diamond drilling is used in the mining industry to probe the contents of known ore deposits and potential sites. By withdrawing a small diameter core of rock from the orebody, geologists can analyze the core by chemical assay and conduct petrologic, structural ...

  4. Baker Hughes - Wikipedia

    en.wikipedia.org/wiki/Baker_Hughes

    Baker Hughes Company is an American global energy technology company co-headquartered in Houston, Texas and London, UK.As one of the world's largest oil field services, industrial and energy technology companies, it provides products and services to the oil and gas industry for exploration and production, as well as other energy and industrial applications.

  5. Core sample - Wikipedia

    en.wikipedia.org/wiki/Core_sample

    Rock core samples, the product of a diamond rig. A pied butcherbird perches nearby. A core sample is a cylindrical section of (usually) a naturally-occurring substance. Most core samples are obtained by drilling with special drills into the substance, such as sediment or rock, with a hollow steel tube, called a core drill. The hole made for the ...

  6. Boart Longyear - Wikipedia

    en.wikipedia.org/wiki/Boart_Longyear

    In 1888, Edmund J. Longyear, a mining engineer from the first graduating class at the Michigan Mining School, drilled the first diamond core hole in the Mesabi Iron Range in northern Minnesota. [1] In 1890, he formed a contract diamond drilling company to serve the rapidly growing U.S. iron ore mining and steel industry.

  7. Diamond Offshore Drilling - Wikipedia

    en.wikipedia.org/wiki/Diamond_Offshore_Drilling

    In 1992, Diamond M Corporation acquired ODECO from Murphy Oil for $358 million. [4] Shortly thereafter, Diamond M Corp. briefly changed its name to Diamond M-ODECO Drilling Inc. before becoming Diamond Offshore Drilling, Inc. in 1993. [5] In October 1995, the company once again became a public company via an initial public offering, listing on ...