1 IADC 627
2 Dia. 8 1/2inch 215.9
3 Bearing Type: rubber sealed slide bearing
4 Drilling Formations: High compressive strength and median hard with thick stratum formations , such as limestone, argillite, dolomite, sandstone, etc.
2 Dia. 8 1/2inch 215.9
3 Bearing Type: rubber sealed slide bearing
4 Drilling Formations: High compressive strength and median hard with thick stratum formations , such as limestone, argillite, dolomite, sandstone, etc.