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] How to exploit efficiently unconventional hydrocarbon has become an important step to solve the problem of increasing reserve and production of oil & gas in China. Aiming at unconventional oil & gas well e.
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