1. Hybrid bits offer distinct advantages in selected roller-cone and PDC-bit applications;Pessier;SPE Drill. Complet.,2011
2. Multi-axial fatigue life prediction of drill collar thread in gas drilling;Lin;Eng. Fail. Anal.,2016
3. Conical diamond element bit sets new performance benchmarks drilling extremely hard carbonate/chert formations, Perm Region Russia;German,2015
4. Hybrid drill bit combining fixed-cutter and roller-cone elements exceeds expectations in challenging application in Tarim Basin China;Xu,2014
5. Focused engineering initiative produces new 16-in roller cone TCI design to solve carbonate drilling challenges in Northern Kuwait;Al-Enezi,2015