-
Peb lub cones khoom Hoobkas IADC217 3 7/8 nti (98mm)
-
Tricone khoom IADC217 4.5 nti (114mm) rau pob zeb tob tob drilling
-
API kaw cov menyuam lub khob me me rau drilling IADC217 5 7/8 nti (149.2mm)
-
Teb Drilling khoom IADC217 6 nti (152mm)
-
API milled hniav peb cones khoom IADC217 7.5 nti (190mm) hauv Tshuag
-
API roj hlau hniav khoom IADC217 8.5 nti (215mm) rau pob zeb drilling
-
API khoom muag IADC217 8 3/4 nti (222.2mm)
-
IADC217 11 5/8 nti (295.3mm) rau cov pob zeb tawv
-
API Mill hniav khoom IADC217 12 1/4 nti (311mm) rau qhov zoo drilling
-
Tus nqi qis IADC217 14 3/4 nti (374mm) rau pob zeb tawv
-
Lag luam wholesale drilling khoom IADC217 17.5 nti (444.5mm)