APPEALS COURT AFFIRMS RULING AGAINST OKLAHOMA DRILLING COMPANY

Drilling rig accident oklahoma
Federal and state authorities are investigating the cause of the deadly explosion and fire at a natural gas drilling rig in southeastern Oklahoma on Monday. Five workers died in what appears to be one of the country’s deadliest onshore drilling accidents. [pdf]
Oklahoma drilling rig accident
The bodies of five workers, including one Texan, were recovered Tuesday after an explosion ripped through a drilling rig in Oklahoma, triggering what appears to be the nation's deadliest oil and gas accident since the 2010 Deepwater Horizon disaster in the Gulf of Mexico. [pdf]
Drilling rigs of the national supply company
NOV's two main predecessors, Oilwell Supply and National Supply, were founded in 1862 and 1893, respectively. These two companies manufactured and distributed pumps and derricks. In 1930, acquired Oilwell Supply. In 1958, merged with National Supply. In 1987, National Supply merged with USS Oilwell to become "National Oilwell". Varco was founded as Abegg and Reinhold Company by Walter Abegg and Baldwin Reinhold i. [pdf]FAQS about Drilling rigs of the national supply company
Who makes national supply oil rigs?
National Supply, owned by Armco since 1958, produced hydraulic, fluid, and plunger pumps, engines, and other oil drilling equipment. Although both companies were capable of constructing new oil rigs, orders were rare at this time.
What was the role of the National Company in oil well drilling?
The National played an important role in oil well drilling at least through the 1930s. Along with Keystone, these two makers were part of a large field of nationally known drilling machine companies. In the early days their brands included well known names such as Parkersburg, Columbia, Wolfe, Leidecker, and Buycrus-Erie.
Who makes oil drilling equipment?
Founded in 1862 and purchased by U.S. Steel in 1930, Oilwell manufactured drilling equipment, production and fluid control systems, and hydraulic, rod, and centrifugal pumps. National Supply, owned by Armco since 1958, produced hydraulic, fluid, and plunger pumps, engines, and other oil drilling equipment.
Are oil wells drilled only by a rig?
Such imagery evokes a common assumption dating from those times—the notion that oil wells were drilled only by what came to be called “standard” drilling rigs, having derricks whose tall superstructures were of a semi-permanent nature, which many times stayed in place after a well was completed.
What rig displaced the Old Standard Derrick?
The National was advertised as, “The rig that displaced the old standard derrick.” The National played an important role in oil well drilling at least through the 1930s. Along with Keystone, these two makers were part of a large field of nationally known drilling machine companies.
Are drilling rig derricks a good idea?
Their collapsible nature never lent them the dramatic visual impact of standard drilling rig derricks. Those machines were relatively efficient for drilling as long as well depth remained in the 1,500 to 2,000 foot range and most were suitable for use as workovers in wells up to 6,000 feet in depth.