Bit weight Drill collar from China manufacturer - Henan Jianhui Construction Machinery CO.,LTD

Price:	1000.0~3000.0 USD
Payment Terms:	T/T,L/C,WU
Place of Origin:	Henan, China (Mainland)


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Product Detail

Model No.: 35CrMo4,Cr-Mo alloy

Production Capacity: 500 Metric Ton/Metric Tons ...

Delivery Date: 20-30 days

Standard:: API 5DP,API

Certification: API

Secondary Or Not: Non-secondary

Outer Diameter:: 79.4 - 279.4 mm

Section Shape:: Round

Means of Transport: Ocean

Packing: in Bundles

Thickness:: 38 - 53 mm

Grade:: 35CrMo4,Cr-Mo alloy

Model Number:: 35CrMo4,Cr-Mo alloy

Application:: Oil Pipe

Surface Treatment: Other

Drill collar the latest price
Thickness: 38 - 53 mm
Grade: 12CrMo,35CrMo4,15MnV
Outer Diameter: 79.4 - 279.4 mm
Application: Drill Pipe

Thickness: 38 - 53 mm
Grade: 12CrMo,35CrMo4,15MnV
Outer Diameter: 79.4 - 279.4 mm
Application: Drill Pipe

The drill collar is mainly used to provide bit weight to drill bit so that drill pipe is in tension. Especially drill collar can keep drill bit centralized and hole track by large rigidity.

Drill Collar Number	O.D		I.D		Length	Bevel Diameter	Refbend g Strength ratio
Drill Collar Number	mm	in	mm	in	(mm)	Bevel Diameter	Refbend g Strength ratio
NC23-31	79.4	3 1/8	31.8	1 1/2	9150	76.2	2.57:1
NC26-35(2 3/8 IF)	88.9	3 1/2	38.1	1 1/2	9150	82.9	2.42:1
NC31-41(2 7/8 IF)	104.8	4 1/8	50.8	2	9150	100.4	2.43:1
NC35-47	120.6	4 3/4	50.8	2	9150	114.7	2.58:1
NC38-50(3 1/2 IF)	127	5	57.2	2 1/4	9150	121	2.38:1
NC44-60	152.4	6	57.2	2 1/4	9150&9450	144.5	2.49:1
NC44-60	152.4	6	71.4	2 13/16	9150&9450	144.5	2.84:1
NC44-62	158.8	6 1/4	57.2	2 1/4	9150&9450	149.2	2.91:1
NC46-62(4IF)	158.8	6 1/4	71.4	2 13/16	9150&9450	150	2.63:1
NC46-65(4IF)	165.1	6 1/2	57.2	2 1/4	9150&9450	154.8	2.76:1
NC46-65(4IF)	165.1	6 1/2	71.4	2 13/16	9150&9450	154.8	3.05:1
NC46-67(4IF)	171.4	6 3/4	57.2	2 1/4	9150&9450	159.5	3.18:1
N50-67(4 1/2 IF)	171.4	6 3/4	71.4	2 13/16	9150&9450	159.5	2.37:1
NC50-70(4 1/2 IF)	177.8	7	57.2	2 1/4	9150&9450	164.7	2.54:1
NC50-70(4 1/2 IF)	177.8	7	71.4	2 13/16	9150&9450	164.7	2.73:1
NC50-72(4 1/2 IF)	184.2	7 1/4	71.4	2 13/16	9150&9450	169.5	3.12:1
NC56-77	196.8	7 3/4	71.4	2 13/16	9150&9450	185.3	2.70:1
NC56-80	203.2	8	71.4	2 13/16	9150&9450	190.1	3.02:1
6 5/8 REG	209.6	8 1/4	71.4	2 13/16	9150&9450	195.7	2.93:1
NC61-90	228.6	9	71.4	2 13/16	9150&9450	212.6	3.17:1
7 5/8 REG	241.3	9 1/2	76.2	3	9150&9450	223.8	2.81:1
NC70-97	247.6	9 3/4	76.2	3	9150&9450	232.8	2.57:1
NC70-100	254	10	76.2	3	9150&9450	237.3	2.81:1
8 5/8 REG	279.4	11	76.2	3		266.7	2.84:1