One of the most effective ways of reducing downtime on projects using compact and medium-sized horizontal directional drilling (HDD) units is to properly maintain drill-string components—drill pipe, ...

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 ...

Failure of drill pipe due to fatigue is very costly problem in the oil and gas industry. Inspection costs represent a very small amount in well planning, and yet regular inspection intervals can ...