Non-Magnetic Drill Collar API 7-1 Drilling String in Drilling Rigs

• Customization: Available
• Customized: Customized
• Surface Treatment: Spray
• Model NO.: Drill Collar
• Type: Non-magnetic Drill Collar
• Material: High Manganese Steel
• Weight (Kg): 500
• Working Process: Machining
• Size: 2 3/8-10 3/4′′
• Color: Red
• Appearance: Smooth
• Warranty of Core Components: 1 Year
• Item: API Oil
• Video Outgoing-Inspection: Provided
• Applicable Industries: Energy & Mining
• Marketing Type: New Product 2020
• Core Components: Engine
• Advantage: Prices
• Product Name: Q2 3/8-10 3/4-35 Workover Rig Tong for Oil Field
• Application: Oil Field
• Machinery Test Report: Provided
• Transport Package: Plywood Case
• Specification: Drill Collar
• Trademark: Goldenman
• Origin: China
• Production Capacity: 10000 Set/Sets Per Month
• Package Size: 75.00cm * 70.00cm * 60.00cm
• Package Gross Weight: 3000.000kg

Product Description

DRILL COLLAR

 

1. Material of API 7-1 Non-Magnetic Drill Collar Slick Drill Collar OD 79.4mm to 279.4mm: Meticulously crafted from high-grade 4145H/4145H mod steel or premium Non-magnetic materials for exceptional strength and durability.
2. Standard: Complies with industry-leading standards API7-1, NS-1, ensuring superior quality and performance.
A. Slick Drill Collar
Note: The drill collar is ingeniously designed to deliver precise bit weight to the drill bit, ensuring the drill pipe remains in tension. This robust component is critical for effective drilling operations.
Its impressive rigidity is key to maintaining the drill bit's centralization and accurate hole tracking. Each Drill Collar is expertly manufactured in strict adherence to the rigorous API Spec7-1 and SY5411 standards, guaranteeing reliability and trust.
SY5411 standard-compliant for assured quality.
B. Spiral Drill Collar
Note: The Spiral Drill Collar is diligently engineered to minimize contact with the hole, effectively preventing bit sticking due to differential pressure. This innovative design is essential for smooth and uninterrupted drilling operations.
Manufactured with precision according to the stringent API Spec7-1 and SY5144 standards, ensuring optimal performance and safety.
C. Spiral Drill Collar With Elevator Groove And Slip Groove
Note: Featuring an Elevator groove and Slip groove strategically crafted on the box thread face of either slick or spiral drill collars, these grooves enhance lifting capabilities and provide an additional safety mechanism during trip out.
The technical parameters for these grooves align with API SPEC7-1 standards, and optional hardbanding is available upon customer request for enhanced protection.
D. Non-magnetic Drill Collar
Boasting a flawless cold-rolled finish on both ID and OD surfaces, this Drill Collar undergoes a unique technical process that fortifies its structure. This process ensures optimal resistance to stress, corrosion, and cracking, significantly enhancing its mechanical performance.
High Quality API 7-1 NS-1 Non-Magnetic Drill Collar
Specifications for API 7-1 Non-Magnetic Drill Collar Slick Drill Collar OD 79.4mm to 279.4mm: Engineered to meet the highest standards, providing unparalleled reliability and precision in demanding drilling environments.

 

 

 

 

Connections	OD mm	ID mm	Length mm
NC23-31	79.4	31.8	9150
NC26-35	88.9	38.1	9150
NC31-41	104.8	50.8	9150 or 9450
NC35-47	120.7	50.8	915 or 9450
NC38-50	127.0	57.2	9150 or 9450
NC44-60	152.4	57.2	9150 or 9450
NC44-60	152.4	71.4	9150 or 9450
NC44-62	158.8	57.2	9150 or 9450
NC46-62	158.8	71.4	9150 or 9450
NC46-65	165.1	57.2	9150 or 9450
NC46-65	165.1	71.4	9150 or 9450
NC46-67	171.4	57.2	9150 or 9450
NC50-67	171.4	71.4	9150 or 9450
NC50-70	177.8	57.2	9150 or 9450
NC50-70	177.8	71.4	9150 or 9450
NC50-72	184.2	71.4	9150 or 9450
NC56-77	196.8	71.4	9150 or 9450
NC56-80	203.2	71.4	9150 or 9450
6 5/8REG	209.6	71.4	9150 or 9450
NC61-90	228.6	71.4	9150 or 9450
7 5/8REG	241.3	76.2	9150 or 9450
NC70-97	247.6	76.2	9150 or 9450
NC70-100	254.0	76.2	9150 or 9450
8 5/8REG	279.4	76.2	9150 or 9450