API Nc38 Non-Magnetic Drill Collar for Drilling Rigs

• Customization: Available
• Customized: Customized
• Surface Treatment: Spray
• Model NO.: Drill Collar
• Type: Non-magnetic Drill Collar
• Standard: API
• Usage: Well Drilling
• 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: Crafted with top-quality 4145H/4145H mod or non-magnetic materials to ensure unparalleled strength and reliability.
2. Standard: Meticulously compliant with API 7-1 and NS-1 standards, ensuring superior performance and safety.
A. Slick Drill Collar
Note: Designed to primarily provide optimal bit weight, the drill collar ensures the drill pipe remains in tension, enhancing drilling efficiency. Its robust construction is critical for
maintaining drill bit centralization and precise hole tracking, thanks to its exceptional rigidity. Each drill collar is manufactured to the exacting standards of API Spec7-1 and
SY5411, guaranteeing quality and performance.
B. Spiral Drill Collar
Note: The innovative spiral design minimizes the contact area with the borehole, effectively reducing the risk of bit sticking caused by differential pressure. These drill collars are
crafted in rigorous accordance with API Spec7-1 and Standard SY5144, ensuring high reliability and efficiency.
C. Spiral Drill Collar With Elevator Groove And Slip Groove
Note: Featuring expertly engineered elevator and slip grooves on the box thread face, these drill collars can function as dependable lifting subs and safety slips when pulling out.
Every technical parameter for the grooves aligns perfectly with API SPEC7-1. We offer the option of hardbanding to meet specific customer preferences.
D. Non-magnetic Drill Collar
The unique cold-rolled finish on both interior and exterior surfaces, combined with a specialized technical process, fortifies the structure. It ensures the tools have optimal resistance
to stress, corrosion, and cracking, with significantly enhanced mechanical performance, setting a new standard in durability and reliability.
Specifications for API 7-1 Non-Magnetic Drill Collar Slick Drill Collar OD 79.4mm to 279.4mm: Engineered to deliver excellence in every dimension, these specifications guarantee

 

 

 

 

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