TY  - SER
AU  - Smelker,Keith
AU  - Burch,Connie
AU  - Freeman,Mark
TI  - 2-in-1 bit: Dual cutting structure boosts ROP
PY  - 2011///
CY  - 
PB  - 
N1  - Combination of TCI and steel tooth improves performance in abrasive sands in Pinedale tight gas
ER  -