Product Details

Model CFZ-A Mechanical Stage Collar

1. The circulation ports can be hydraulically opened, eliminating the need to use a free-fall opening plug. Therefore, it is not restricted to well inclination.

2. Internal closing structure and anti-rotation mechanism protect the closing sleeve from damage while drilling out the opening and closing seats.

3. All internal parts are made of easily drillable material.

4. Opening pressure adjustable upon customer request.

Specifications

Casing Size	Casing Weight		Max O.D.		Drill-out I.D.		Overall Length
in.	kg/m	l b/ft	mm	in.	mm	in.	mm	in.
5-1/2	25,30	17.00	172	6.772	124	4.882	780	30.709
	29.76	20.00			121	4.764
	34.23	23.00			119	4.685
7	38 69	26.00	210	8.268	159	6 260	930	36.614
	43.16	29.00			157	6.181
	47.62	32.00			155	6.102
7-5/8	44.20	29.70	230	9.055	175	6.890	1120	44.094
	50.15	33.70			172	6.772
	58 04	39.00			168	6.614
9-5/8	59.53	40.00	282.5	11.122	224	8.819	1170	46 063
	64.74	43.50			222	8.740
	69.94	47.00			221	8 701
10-3/4	75.90	51.00	302	11.890	250	9.843	1210	47.992
	82.59	55.50			248	9.764
	90.33	60.70			245	9.646