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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.
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 ...
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]
Oil and gas companies will have to pay more to drill on federal lands and satisfy stronger requirements to clean up old or abandoned wells under a final rule issued Friday by the Biden administration.
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 the New York Stock Exchange. [6] In April 1996, the company acquired Arethusa for ...
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Drill cuttings can be separated from liquid drilling fluid by shale shakers, by centrifuges, or by cyclone separators, the latter also being effective for air drilling. In cable-tool drilling, the drill cuttings are periodically bailed out of the bottom of the hole. In auger drilling, cuttings are carried to the surface on the auger flights.
In the 1960s and 1970s, Longyear began to diversify into other areas beyond traditional mineral exploration drilling. The company began using diamond bits for drilling and sawing concrete in the construction industry. In 1977, Longyear purchased rights to make concrete saws from the Drillistics Company. The firm's Salt Lake City plant began ...