TY  - SER
AU  - Ainsworth Robinson,Kelli
TI  - Drill bit innovations target major barriers to ROP, durability
PY  - 2018///
CY  - 
PB  - 
N1  - Manufacturers are developing new bits that address cuttings evacuation, vibration and thermal degradation while rearranging cutter layouts and seeking better understanding of failure mechanisms
ER  -