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Patterson Drilling Company was founded in 1978 by Cloyce Talbott and Glenn Patterson. [1] UTI Energy was formed in 1986 to purchase Universal Well Services, Union Supply Company, Triad Drilling Company, and International Petroleum Services Company. In 2001, Patterson Drilling acquired UTI Energy and renamed the company Patterson-UTI Energy. [3]
The Rosens acquired NoMac and renamed it Capstone. In addition, the Rosens founded a separate company, Rosen Motors, in May 1993 to develop a prototype turbine-flywheel automobile power train using the microturbine, [ 4 ] [ 5 ] but Rosen Motors closed in November 1997 because no major manufacturer was willing to invest further.
Drill pipe (#16) is a joint of hollow tubing used to connect the surface equipment to the bottom hole assembly (BHA) and acts as a conduit for the drilling fluid. 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.
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Thunder Horse PDQ is a BP plc and ExxonMobil joint venture semi-submersible oil platform on location over the Mississippi Canyon Thunder Horse oil field (Block 778/822), in deepwater Gulf of Mexico, 150 miles (240 km) southeast of New Orleans, moored in waters of 1,840 metres (6,040 ft). [4]
MODU – mobile offshore drilling unit (either of jack-up drill rig or semi-submersible rig or drill ship) MOF – marine offloading facility; MOPO – matrix of permitted operations; MOPU – mobile offshore production unit (to describe jack-up production rig, or semi-submersible production rig, or floating production, or storage ship)
Spud date: When drilling a new well, the spud date is the day on which the main drill bit begins drilling. For onshore drilling, spudding-in occurs after a wellsite has been prepared and a larger surface hole drilled and cased in preparation for the main drill bit to be used. Subsalt: Refers to oil prospects that lie below a salt layer. [7]
The most commonly used feeder is known as the weir feeder, the drilling fluid enters the feeder usually through a pipe welded to the outside wall near the bottom of the feeder tank, it fills the feeder to a predetermined point and like water flowing over a dam the mud (drilling fluid) spills over the weir and onto the screening area of the shaker.