Eccentric overburden drilling equipment

Technical data

Type	Casing External Diameter	Casing Internal Diameter	Pilot Bit Diameter	Reamer Diameter	Wall Thickness
90	115 mm	102 mm	90 mm	123 mm	5 mm
115	142 mm	128 mm	115 mm	152 mm	5 mm
140	171 mm	157 mm	140 mm	187 mm	5,5 mm
165	196 mm	183 mm	165 mm	212 mm	6,3 mm
190	222 mm	205 mm	190 mm	237 mm	6,3 mm
240	273 mm	260 mm	240 mm	306 mm	6,3 mm