TY  - SER
AU  - Stroever,Matt
TI  - Dual cutting structure on hybrid roller cone bit increases efficiency of bridge, frac plug drill-outs
PY  - 2016///
CY  - 
PB  - 
N1  - 4 ½-in. bit drilled frac plugs at average of 8.1 min/plug in 57-well study in Eagle Ford
ER  -