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  2. Exploration diamond drilling - Wikipedia

    en.wikipedia.org/wiki/Exploration_diamond_drilling

    Exploration diamond drilling differs from other geological drilling (such as Reverse Circulation (RC) Drilling [3]) in that a solid core is extracted from depth, for examination on the surface. The key technology of the diamond drill is the actual diamond bit itself. [4] It is composed of industrial diamonds set into a soft metallic matrix.

  3. 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 ...

  4. Element Six - Wikipedia

    en.wikipedia.org/wiki/Element_Six

    Element Six is a company specialised in providing synthetic diamond, cubic boron nitride and other superhard materials for industrial use. Part of the De Beers Group, Element Six employs over 1,900 people and its primary manufacturing sites are located in the UK, Ireland, Germany, South Africa, and the US.

  5. Drill bit (well) - Wikipedia

    en.wikipedia.org/wiki/Drill_bit_(well)

    The most common cutting element in use today is the polycrystalline diamond cutter (PDC), a sintered tungsten carbide cylinder with one flat surface coated with a synthetic diamond material. The cutters are arranged on the blades of the bit in a staggered pattern with the diamond coated cutter surface facing the direction of bit rotation to ...

  6. 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 ...

  7. ODECO - Wikipedia

    en.wikipedia.org/wiki/ODECO

    In 1953, the company was founded by Alden J. "Doc" Laborde, who also founded Tidewater, and John Hayward. Hayward was the builder of the Barnsdall rig and holder of the patent on submersible drilling barge methodology. Charles Murphy Jr. of Murphy Oil invested $500,000 in the company and assisted Laborde in finding additional investors. [1]

  8. Dormer Pramet - Wikipedia

    en.wikipedia.org/wiki/Dormer_Pramet

    Dormer Pramet is a global manufacturer and supplier of cutting tools for the engineering industry, including drilling, milling, threading and turning tools. Its origins date back to 1913, making it one of the world's oldest specialist manufacturers of engineers cutting tools.

  9. Petra Diamonds - Wikipedia

    en.wikipedia.org/wiki/Petra_Diamonds

    Petra Diamonds Ltd is a diamond mining group headquartered in Jersey. Petra own one of the world's most productive mines historically, the Cullinan Diamond Mine is famed for having produced the world's largest rough and polished diamond. The company is listed on the London Stock Exchange.

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