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Drill pipe is most often considered premium class, which is 80% remaining body wall (RBW). After inspection determines that the RBW is below 80%, the pipe is considered to be Class 2 or "yellow band" pipe. Eventually the drill pipe will be graded as scrap and marked with a red band. Drill pipe is a portion of the overall drill string.
Old Hand Tools and Collectables, Grantham, Lincolnshire, NG31 9HZ, England; Union Hill Antique Tools, USA. A site with introductory articles for tool collectors, and antique tools for sale; Tooltique, Antique & Vintage tools, Norwich, England. Dealers in antique and vintage tools, first established in 1977
Grant Prideco, Inc. is a supplier of drill pipe and drill stem accessories headquartered in Houston, Texas.Since 2008, it has been a subsidiary of energy services company NOV Inc. Grant Prideco was included on the Fortune magazine top 1000 largest corporations for several years in the mid-2000s [1] [2] and through the 1990s and early 2000s was the world's largest oilfield drill pipe supplier.
A February 21, 2010 announcement said Schlumberger would acquire the company in an all-stock deal valued at $11.3 billion. The sale price of 45.84 per share was 37.5 percent higher than Smith's closing price on February 18, 2010. The deal was the biggest acquisition in Schlumberger history until their acquisition of Cameron International. [4] [5]
In the oil and gas industry, coiled tubing refers to a long metal pipe, normally 1 to 3.25 in (25 to 83 mm) in diameter which is supplied spooled on a large reel. It is used for interventions in oil and gas wells and sometimes as production tubing in depleted gas wells. Coiled tubing is often used to carry out operations similar to wirelining ...
Casing is a large diameter pipe that is assembled and inserted into a recently drilled section of a borehole. Similar to the bones of a spine protecting the spinal cord, casing is set inside the drilled borehole to protect and support the wellstream.