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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.
Modern drill pipe is made from the welding of at least three separate pieces: box tool joint, pin tool joint, and the tube. The green tubes are received by the drill pipe manufacturer from the steel mill. The ends of the tubes are then upset to increase the cross-sectional area of the ends.
Also, in that same year, following the acquisition of the American company OMSCO in September 2005, Vallourec became the world's second largest manufacturer of drill pipes. The drill pipe operations were regrouped under the name VAM Drilling, and in 2013 renamed Vallourec Drilling Products.
Alcoa's drill pipe is composed of high-strength, aluminum alloy tube connected by a proprietary thermal joining technology, which enables conventional steel tool joints to be used with an aluminum ...
NOV Tower in the Westchase district of Houston. NOV Inc., formerly National Oilwell Varco, is an American multinational corporation based in Houston, Texas.It is a worldwide provider of equipment and components used in oil and gas drilling and production operations, oilfield services, and supply chain integration services to the upstream oil and gas industry.
Over the ensuing 80-some years, Smith's humble shop grew into a major operation specializing in drill bits, heavyweight collars and drill pipe, with corporate headquarters in Houston. In the mid-1980s, business faltered due to declining oil prices and the loss of a lawsuit against Hughes Tool (now part of Hughes Christensen ).
In the diagram, these are stands of drill pipe which are 2 or 3 joints of drill pipe connected and stood in the derrick vertically, usually to save time while tripping pipe. Drill string (#25) is an assembled collection of drill pipe, heavy weight drill pipe, drill collars and any of a whole assortment of tools, connected and run into the ...
Irwin Industrial Tools is an American manufacturer and ... it produces clamps, drill bits, taps and dies, screw extractors, bolt extractors, saw blades, pipe ...
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