Derun non-magnetic drill collar manufacturer from China Luhai Energy Co.,Ltd

Price:	10.0 USD
Payment Terms:	T/T,L/C
Place of Origin:	Beijing, China (Mainland)


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Product Detail

Means of Transport: Ocean,Air

Packing: Bulk

Production Capacity: 5000Tons

Delivery Date: 20days

Derun non-magnetic drill collar drill collar

Derun non-magnetic drill collars are made from non-magnetic materials with low-magnetic permeability.
API monogram, serial number, OD, ID, type and size of connections are stamped on recessed mill flats.

OD		ID		Length mm	Bevel Diameter mm	Connection	Bending Strength Ratio
in	mm	in	mm	Length mm	Bevel Diameter mm	Connection	Bending Strength Ratio
3-1/8	79.4	1-1/4	31.8	9150	76.2	NC23-31	2.57: 1
3-1/2	88.9	1-1/2	38.1	9150	82.9	NC26-35 ( 21/8IF)	2.42 :1
4-1/8	104.8	2	50.8	9150	100.4	NC31-41 ( 27/8IF )	2.43 :1
4-3/4	120.7	2	50.8	9150	114.7	NC35-47	2.58 :1
5	127	2-1/4	57.2	9150	121.0	NC38-50 ( 31/2IF )	2.38:1
6	152.4	2-1/4	57.2	9150 or 9450	144.5	NC44-60	2.49:1

6	152.4	2-13/16	71.4	9150 or9450	144.5	NC44-60	2.84:1
6-1/4	158.8	2-1/4	57.2	9150 or 9450	149.2	NC44-62	2.91:1
6-1/4	158.8	2-13/16	71.4	9150 or 9450	150.0	NC46-62 ( 4IF )	2.63:1
6-1/2	165.1	2-1/4	57.2	9150 or 9450	154.8	NC46-65 ( 4IF)	2.76:1
6-1/2	165.1	2-13/16	71.4	9150 or 9450	154.8	NC46-65 ( 4IF )	3.05:1
6-3/4	171.4	2-1/4	57.2	9150 or 9450	159.5	NC46-67 ( 4IF )	3.18:1
6-3/4	171.4	2-13/16	71.4	9150 or 9450	159.5	NC50-67( 41/2IF )	2.37:1
7	177.8	2-1/4	57.2	9150 or 9450	164.7	NC50-70 ( 41/2IF )	2.54 :1
7	177.8	2-13/16	71.4	9150 or 9450	164.7	NC50-70( 41/2IF )	2.73 :1
7-1/4	184.2	2-13/16	71.4	9150 or 9450	169.5	NC50-72 ( 41/2IF )	3.12 :1
7-3/4	196.8	2-13/16	71.4	9150 or 9450	185.3	NC56-77	2.70 :1
8	203.2	2-13/16	71.4	9150 or 9450	190.1	NC56-80	3.02 :1

8-1/4	209.6	2-13/16	71.4	9150 or 9450	195.7	65/8REG	2.93: 1
9	228.6	2-13/16	71.4	9150 or 9450	212.7	NC61-90	3.17 :1
9-1/2	241.3	3	76.2	9150 or 9450	223.8	75/8REG	2.81 :1
9-3/4	247.6	3	76.2	9150 or 9450	232.6	NC70-97	2.57 :1

10	254	3	76.2	9150 or 9450	237.3	NC70-100	2.81: 1
11	279.4	3	76.2	9150 or 9450	266.7	85/8REG	2.84 :1