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Drill bit (#26) is a device attached to the end of the drill string that breaks apart the rock being drilled. It contains jets through which the drilling fluid exits. Drill floor (#21) is the area on the rig where the tools are located to make the connections of the drill pipe, bottom hole assembly, tools and bit. It is considered the main area ...
The company was founded in 1900 by Chris Schramm. It originally manufactured portable air compressors, before switching to rotary drilling rigs in the 1950s.Dick Schramm, who began working for the family business as a manufacturing engineer in 1961, worked his way up the ranks to become President of the company in 1985. [6]
The company was established in December 1908 [1] as Sharp-Hughes Tool Company when Howard R. Hughes Sr. patented a roller cutter bit that dramatically improved the rotary drilling process for oil drilling rigs. He partnered with longtime business associate Walter Benona Sharp to manufacture and market the bit.
1900: 4.6% of national oil supply is pumped by California; 1902: Arrival of railroad to haul fuel makes development of Midway-Sunset field economically feasible. 1902: First rotary drill rig in California reportedly drills a well at Coalinga field, but the hole is so crooked that a cable tool is used to redrill the well.
Simple diagram of a drilling rig and its basic operation. The kelly drive is #19. A kelly drive is a type of well drilling device on an oil or gas drilling rig that employs a section of pipe with a polygonal (three-, four-, six-, or eight-sided) or splined outer surface, which passes through the matching polygonal or splined kelly (mating) bushing and rotary table.
In 1994, Rowan (now Valaris Limited), which had used the company to manufacture its drilling rigs, acquired the company from General Cable for $50 million. [4] [5] In 2011, Rowan (now Valaris Limited) sold LeTourneau Technologies to Joy Global. [6] Joy Global subsequently sold LeTourneau's Drilling, Marine, and Power divisions to Cameron ...
An automated drill rig (ADR) is an automated full-sized walking land-based drill rig that drills long lateral sections in horizontal wells for the oil and gas industry. [8] ADRs are agile rigs that can move from pad to pad to new well sites faster than other full-sized drilling rigs. Each rig costs about $25 million.
A drawworks is the primary hoisting machinery component of a rotary drilling rig.Its main function is to provide a means of raising and lowering the traveling block.The wire-rope drill line winds on the drawworks drum and over the crown block to the traveling block, allowing the drill string to be moved up and down as the drum turns.