A complete range of accessories for large diameter drill rigs, including kelly bars, CFA augers, drilling equipment and tools, designed to support the full spectrum of large diameter drilling methodologies in all types of soil.
[pdf] Innovations in rig automation, drill string design, drilling fluid chemistry, and the workhorse polycrystalline diamond compact drill bit continue to allow drillers to get wellbores to total depth in less time across all major U.S. basins, observes Cristi Harrington, vice president of North American sales for drilling contractor, Helmerich & Payne.
[pdf] Mars field was discovered in 1989 at around 130 miles south of New Orleans. The field, located at 3,000ft water deep, started production in 1996. Mars B was discovered after Shell geologists located untappe.
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