5 ¾" x 3 ½" core barrel coring system for 120 ft and core bits 6 1/8 inch OD for oil field Coring services 5 ¾" x 3 ½" coring ......
API 7-1 4-3/4" Downhole Drilling Mud Motor for HDD with Chrome Plated Rotor API 7-1 4-3/4" Downhole Drilling Mud Motor for HDD with Chrome ....
17 1/2" Heavy Duty Drilling Stabilizers with hard tungsten carbide face API certified standard Stabilizers Roschen custom manufactured stabilizer...