Type	Working O.D.(in)	Body O.D. (mm)	I.D(mm)	Length (mm)	Connection
					String		Near bit
					Top	Down	Top	Down
WQ152	6″	121	51	785	NC38	NC38	NC38	3-1/2REG
WQ159	6-1/4″
WQ165	6-1/2″
WQ191	7-1/2″	159	51 71	850	NC46 NC50	NC46 NC50	NC46 NC50	4-1/2REG
WQ200	7-7/8″
WQ213	8-3/8″	165	51 71	850	NC46 NC50	NC46 NC50	NC46 NC50	4-1/2REG
WQ216	8-1/2″
WQ222	8-3/4″
WQ241	9-1/2″	197	71	870	NC50	NC50	NC50	4-1/2REG
WQ245	9-5/8″
WQ251	9-7/8″
WQ311	12-1/4″	203	71	940	NC56 NC61	NC56 NC61	NC56 NC61	6-5/8REG7-5/8REG
WQ445	17-1/2″	228 241	76	940	NC61	NC61	NC61	7-5/8REG
WQ660	26″				6-5/8REG 7-5/8REG	6-5/8REG 7-5/8REG	6-5/8REG	7-5/8REG