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Nordberg's distinctive design of diesel pancake engine, used for pumping. The company was founded by Bruno V. Nordberg and Jacob Elias Friend in 1886 in Milwaukee. Nordberg had previously been working at steam engine and sawmill maker E. P. Allis & Co. [2] Friend became the company's president, [3] and later his son, Robert E. Friend, was president and chief executive officer.
Larger rigs are capable of drilling through thousands of metres of the Earth's crust, using large "mud pumps" to circulate drilling fluid (slurry) through the bit and up the casing annulus, for cooling and removing the "cuttings" while a well is drilled. Hoists in the rig, a derrick, can lift hundreds of tons of pipe.
Hydraulic hooklift hoists are mounted on heavy duty trucks to enable hauliers to change out flatbeds, dumpster bodies, and similar containers. Primarily used in conjunction with tilt frame bodies and specialised roller containers , generally designed for the transportation of materials in the waste , recycling , scrap and demolition industries ...
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.
A drum hoist (steel wire rope visible) and motor. In underground mining a hoist or winder [1] is used to raise and lower conveyances within the mine shaft.Modern hoists are normally powered using electric motors, historically with direct current drives utilizing Ward Leonard control machines and later solid-state converters (), although modern large hoists use alternating current drives that ...
It continued to purchase well-known companies involved in manufacturing such things as overhead cranes, gasoline-dispensing pumps, and heavy equipment for mining and construction. [ 6 ] In 1968, the Wayne Oil Tank and Pump Company, established in 1891, [ 7 ] merged with Dresser, [ 8 ] becoming the Dresser-Wayne Company. [ 9 ]