CCFA-CA-DW Ø 750/670 CCFA casing
Double-walled casing with 40 mm coupling, wall thickness 10/10 mm, light design. Thanks to the reduction in weight, ideal for CCFA operation. Drill casings can be used in the Kelly drilling process, however not when a casing oscillator is in use.
|Casing outside diameter||750 mm|
|Effective length||1,000, 1,500, 2,000, 3,000, 5,000, 10,000 mm|
|Cutting diameter of tool Dc||640 mm|
|Equipment||Conical bolts, conical rings, threaded rings and locating keys|