Search results
Results from the WOW.Com Content Network
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.
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]
In the early 1990s, the company released DiaMension®, [9] one of the world's first diamond cut grading software that could accurately measure a rough diamond's measurements within seconds. This transformed the way the industry approached the process of diamond cutting and fueled consumer demand for a wider range of cuts. [12]
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 ...
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.
[citation needed] The marquise can be cut into an oval diamond by any diamond cutter with a loss of 5 to 10% in total weight. [citation needed] For example, a 1.10-carat marquise shape would be a 1.00 oval cut diamond by rounding the sharp points and creating an oval which currently in the market has a much greater desirability and resale value ...
Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!
In 1970, Diamond M became a public company via an initial public offering. Twelve years after being acquired by Kaneb Services for $102 million, [3] the firm was sold for $48.5 million to Loews Corporation in 1989. [4] In 1992, Diamond M Corporation acquired ODECO from Murphy Oil for $358 million. [4] Shortly thereafter, Diamond M Corp. briefly ...