ORCHID ENERGY-Conventional Drill Collar

CONVENTIONAL DRILL COLLAR

TECHNICAL SUMMARY

Drill collars are vital in oil and gas drilling. Made of strong steel, they provide weight and rigidity to the drill string, reducing bending and vibration. With threaded connections, they integrate seamlessly. Orchid Energy Ltd could supply slick/spiral drill collar and non-magnetic drill collar.
Drill collars transmit drilling energy, ensuring precise and productive drilling. Their functions include weight provision, hole stability, and torque transfer. These durable tools play a crucial role in oil and gas exploration and extraction.
Orchid Energy Slick/Spiral Drill collar is produced by AISI 4145H modified quenched and tempered steel as API specification and implementation of SY / T5144 standard, which can be cold thread rolling, copper or phosphate processing, machine special double shoulder thread and other specifications.

SPIRAL DRILL COLLAR

FEATURES

1. Pressed steel thread protectors are supplied for drill collar;
2. Stress relief groove & bore back Box applied if needed;
3. Hardbanding material ARNCO 100XT,ARNCO 300XT,TCS8000 applied if needed;
4. Slip and elevator recess are machined in accordance with API7-1;

STANDARD DRILL COLLAR

SPECIFICATION

Drill Collar Number	O.D.		I.D.		Length (mm)	DF Bevel Diameter	Ref bend Strength Ratio
Drill Collar Number	(mm)	(in)	(mm)	(in)	Length (mm)	DF Bevel Diameter	Ref bend Strength Ratio
NC23-31	79.4	3 1/8	31.8	1 1/2	9150	76.2	2.57:1
NC26-35(2 3/8IF)	88.9	3 1/2	38.1	1 1/2	9150	84.5	2.42:1
NC31-41(2 7/8IF)	104.8	4 1/8	50.8	2	9150	101.6	2.43:1
NC35-47	120.6	4 3/4	50.8	2	9150	114.7	2.58:1
NC38-50(3 1/2IF)	127.0	5	57.2	2 1/4	9150	121.0	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	150.0	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
NC-46-47(4IF)	171.4	6 3/4	57.2	2 1/4	9150&9450	159.5	3.18:1
NC50-67(4 1/2IF)	171.4	6 3/4	71.4	2 13/16	9150&9450	159.5	2.37:1
NC50-70(4 1/2IF)	177.8	7	57.2	2 1/4	9150&9450	164.7	2.54:1
NC50-70(4 1/2IF)	177.8	7	71.4	2 13/16	9150&9450	164.7	2.73:1
NC50-72(4 1/2IF)	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	212.7	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	232.6	2.57:1
NC70-100	251	10	76.2	3	9150&9450	237.3	2.81:1
8 5/8 REG	279.4	11	76.2	3	9150&9450	266.7	2.84:1