API Drill Collar Casing and Tubing Drill Collar for Oilfield

• 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: 4145H/4145H mod or Non-magnetic. Crafted for excellence and durability with a range of specifications to suit diverse drilling needs.
2. Standard: API7-1, NS-1. These standards ensure exceptional quality and reliability in all operating conditions.
A. Slick Drill Collar
Note: The drill collar primarily serves to impart precise bit weight to the drill bit, maintaining drill pipe tension. This essential equipment ensures seamless performance and enhanced operational efficiency.
keep the drill bit centralized and the hole track on course with its robust rigidity. Each drill collar is meticulously manufactured in accordance with API Spec7-1 and
SY5411 standards, guaranteeing consistent reliability and durability.
B. Spiral Drill Collar
Note: The spiral drill collar is engineered to minimize contact area with the hole, effectively preventing bit sticking due to differential pressure, thereby enhancing operational safety and efficiency.
pressure. Each drill collar is crafted with precision, adhering strictly to API Spec7-1 and Standard SY5144, ensuring top-tier quality.
C. Spiral Drill Collar With Elevator Groove And Slip Groove
Note: Designed with an elevator groove and slip groove on the box thread face of either the slick or spiral drill collar, it serves as a versatile lifting sub and safety slip during trip-out operations.
sub and safety slip when trip out. The technical parameters conform to API SPEC7-1 standards. Optional hardbanding is available upon customer request, enhancing tool longevity and performance.
D. Non-magnetic Drill Collar
The cold-rolled finish on both ID and OD surfaces, achieved through a unique technical process, fortifies the structure, offering superior resistance to stress, corrosion, and cracking. This ensures significantly enhanced mechanical performance.
High-Quality API 7-1 NS-1 Non-Magnetic Drill Collar, engineered for peak performance and dependability in demanding environments.
Specifications for API 7-1 Non-Magnetic Drill Collar Slick Drill Collar OD 79.4mm to 279.4mm: Tailored specifications meet the challenges of modern drilling applications, delivering unmatched versatility and strength.

 

 

 

 

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