We have been presenting Drill String Design workshops for over 12 years for all types of operations around the world. We are constantly updating our materials to reflect the latest technology ...

The release of Epiroc ET66, ET45 and ET38 marks a substantial breakthrough in tophammer drilling efficiency and reliability. Developed over five years, the new Epiroc ET drill string components have ...

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When a washout occurs in the drill string, a loss in drillpipe pressure will be observed with no corresponding loss in annulus pressure. The only alternative is to shut in the well and analyze the ...

A statistic analysis found that drillstring failures in Tarim oil field were related to the difference between specifications and working conditions. The analysis documented the drillstring failures ...