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Nominal Pipe Size (NPS) is a North American set of standard sizes for pipes used for high or low pressures and temperatures. [1] " Nominal" refers to pipe in non-specific terms and identifies the diameter of the hole with a non-dimensional number (for example – 2-inch nominal steel pipe" consists of many varieties of steel pipe with the only criterion being a 2.375-inch (60.3 mm) outside ...
Hughes Tool's majority stake in TWA was sold off in 1966. Two years later, in 1968, Hughes Tool Company purchased the North Las Vegas Air Terminal. In the late-1960s, Hughes Tool ventured into the hotel and casino business with the acquisition of the Sands, Castaways, Landmark, Frontier, Silver Slipper, and Desert Inn, all in Las Vegas.
Baker Hughes Company is an American global energy technology company co-headquartered in Houston, Texas and London, UK.As one of the world's largest oil field services, industrial and energy technology companies, it provides products and services to the oil and gas industry for exploration and production, as well as other energy and industrial applications.
In a hydraulic analogy, passing current through a high-resistivity material is like pushing water through a pipe full of sand - while passing current through a low-resistivity material is like pushing water through an empty pipe. If the pipes are the same size and shape, the pipe full of sand has higher resistance to flow.
Resistivity logging is a method of well logging that works by characterizing the rock or sediment in a borehole by measuring its electrical resistivity. Resistivity is a fundamental material property which represents how strongly a material opposes the flow of electric current .
During the IPS period, pipes were cast in halves and welded together, and pipe sizes referred to the inside diameters. [1] The inside diameters under IPS were roughly the same as the more modern Ductile Iron Pipe Standard (DIPS) and Nominal Pipe Size (NPS) Standards, and some of the wall thicknesses were also retained with a different ...
Dresser's packer was one of many available on the market, and it was another invention that saw a substantial expansion of the company. A flexible coupling, the Dresser Joint, that he built in 1885 to join pipes together in such a way that they would not leak natural gas. This coupling also used rubber for a tight fit, and it was so successful ...
Hughes' original 1908 patent filing for the roller cone bit The oil boom in the southern United States in the early 20th century lead to the need for higher efficiency drill bits for well boring. After the Spindletop Gusher , Howard R. Hughes Sr. recognized the growing demand for oil and the ineffectiveness of the standard fishtail bit against ...