API Standard Drill Collars of Slick, Spiral and Non-Magnetic Type Drilling Collar

• Manufacturing Process: Forging
• Surface Treatment: Galvanized
• Operation Pressure: Atmospheric Pressure
• Shipping Cost: Estimated freight per unit.: about shipping cost and estimated delivery time.
• Currency: US$
• Return&refunds: You can apply for a refund up to 30 days after receipt of the products.
• Model NO.: option
• Material: Alloy
• Item: Drill Collar
• Transport Package: Wooden Case
• Specification: 3 1/2"
• Trademark: Glorytek
• Origin: China
• Production Capacity: 100 Pieces/Month
• Package Size: 300.00cm * 50.00cm * 20.00cm
• Package Gross Weight: 42.000kg

Product Description

Non-Magnetic Steel Drill Collar


The Non-magnetic drill collars are made fom low carbon stainless steel and conform to the requirements of API Spec.7 and SY/T5144. All threads are phosphated copperized or cold worked. All Connecions are equipped with pressed seel thread protectors.All threads are machined with CNC Lathes-Double-shouldered and special threads.



 

Connection	OD		ID		Length(mm)	Bevel dia.(mm)	Bned Strength ratio
	mm	in	mm	in
NC23-31	79.4	3 1/8	31.8	1 1/4	9150	76.2	2.57:1
NC26-35	88.9	3 1/2	38.1	1 1/2	9150	82.9	2.42:1
NC31-41	104.8	4 1/8	50.8	2	9150 or 9450	100.4	2.43:1
NC35-47	120.7	4 3/4	50.8	2	9150 or 9450	114.7	2.58:1
NC38-50	127	5	57.2	2 1/4	9150 or 9450	121.0	2.38:1
NC44-60	152.4	6	57.2	2 1/4	9150 or 9450	144.5	2.49:1
NC44-60	152.4	6	71.4	2 13/16	9150 or 9450	144.5	2.84:1
NC44-62	158.8	6 1/4	57.2	2 1/4	9150 or 9450	149.2	2.91:1
NC46-62	158.8	6 1/4	71.4	2 13/16	9150 or 9450	150.0	2.63:1
NC46-65	165.1	6 1/2	57.2	2 1/4	9150 or 9450	154.8	2.76:1
NC46-65	165.1	6 1/2	71.4	2 13/16	9150 or 9450	154.8	3.05:1
NC46-67	171.4	6 3/4	57.2	2 1/4	9150 or 9450	159.5	3.18:1
NC50-67	171.4	6 3/4	71.4	2 13/16	9150 or 9450	159.5	2.37:1
NC50-70	177.8	7	57.2	2 1/4	9150 or 9450	164.7	2.54:1
NC50-70	177.8	7	71.4	2 13/16	9150 or 9450	164.7	2.73:1
NC50-72	184.2	7 1/4	71.4	2 13/16	9150 or 9450	169.5	3.12:1
NC56-77	196.8	7 3/4	71.4	2 13/16	9150 or 9450	185.3	2.7:1
NC56-80	203.2	8	71.4	2 13/16	9150 or 9450	190.1	3.02:1
6 5/8REG	209.6	8 1/4	71.4	2 13/16	9150 or 9450	195.7	2.93:1
NC61-90	228.6	9	71.4	2 13/16	9150 or 9450	212.7	3.17:1
7 5/8REG	241.3	9 1/2	76.2	3	9150 or 9450	223.8	2.81:1
NC70-97	247.6	9 3/4	76.2	3	9150 or 9450	232.6	2.57:1
NC70-100	254	10	76.2	3	9150 or 9450	237.3	2.81:1
8 5/8REG	279.4	11	76.2	3	9150 or 9450	266.7	2.84:1

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Company Profile



 

Glorytek Industry (Beijing) Co., Ltd. is an integrated corporation specialized in manufacturing and exporting top quality drilling equipment and drilling parts for more than 20 years. We are supported and assisted by highly experienced R&D team and enginners that enable us to complete all the assigned projects successfully as per clients' requirements.

Our factory covers an area of 250,000 square meters, construction area is about 150,000 square meters, having machining machinery, CNC processing center, friction welding machine, testing equipments etc. over 200 sets and more than 600 employees.

Our products have been exported more than 60 countries, including Australia, Russia, Soutn Africa, Zimbabwe, Malaysia, Indonesia, South Korea, France, Sweden, USA, Canada, Haiti etc.





 

FAQ

Q: How can we choose a suitable HDD drill rig?
A: We normally recommend a suitable model according to force, application.
 

Q: Are you a factory or a trading company ?
A: We are an integrated corporation specialized in manufacturing and exporting.

Q: What is your payment terms?
A: We can accept T/T,L/C.

Q:.What is your MOQ? How long is the delivery time?
A: Our MOQ is 1 sets. Normally for drill rig, the delivery time is about 25-30 days after receiving payment, the drilling tools would be about 15 days.

Q:. How long is the warranty?
A: The guarantee period for mainframe is one year (excluding the quick wear parts).

Q: Can we print my Logo on the products?
A: Yes, we can. We support OEM .