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China, Chinese Non-Magnetic API 7-1 Drill Collar for Oil Well Drilling1 Industrial Products Supplier Manufacturer Details, price list catalog:
China Industrial Products Supplier Manufacturer List Catalog
Drilling ToolsDrill CollarNon-Magnetic CollarAPI 7-1 Drill Collar
Goldenman Petroleum Equipment Co., Limited
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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 precision using 4145H/4145H mod or Non-magnetic materials, ensuring superior quality and performance.2. Standard: API7-1, NS-1. Our standards set the benchmark for quality and reliability in the industry.A. Slick Drill CollarNote: The drill collar serves as a crucial component, primarily designed to impart substantial bit weight to the drill bit, maintaining drill pipe tension seamlessly. Its role is especially vital as itensures the drill bit remains centralized while guiding the hole track with remarkable rigidity. Each drill collar is manufactured with unwavering adherence to API Spec7-1 andSY5411 standards, embodying precision and excellence.B. Spiral Drill CollarNote: Designed to minimize contact with the borehole, the spiral drill collar effectively prevents differential pressure sticking, enhancing drilling efficiency. Our drill collars are crafted following the stringentguidelines of API Spec7-1 and Standard SY5144, ensuring unparalleled quality and reliability.C. Spiral Drill Collar With Elevator Groove And Slip GrooveNote: The strategically engineered elevator groove and slip groove located on the box thread face of slick or spiral drill collars serve as a practical lifting aid and safety feature when tripping out. Thesegrooves meet the rigorous technical parameters as defined by API SPEC7-1. For enhanced functionality, hardbanding is available at our esteemed customer's request, tailored to meet specific needs.D. Non-magnetic Drill CollarThe drill collar's cold-rolled finish on both ID and OD surfaces, combined with an exclusive technical process, fortifies the structure. This ensures optimal resistance to stress, corrosion, and cracking whilesignificantly enhancing mechanical performance. Our high-quality API 7-1 NS-1 Non-Magnetic Drill Collars are the epitome of strength and durability.Specifications for API 7-1 Non-Magnetic Drill Collar Slick Drill Collar OD 79.4mm to 279.4mm are crafted to perfection, meeting and exceeding industry standards. ConnectionsODmmIDmmLengthmmNC23-3179.431.89150NC26-3588.938.19150NC31-41104.850.89150 or 9450NC35-47120.750.8915 or 9450NC38-50127.057.29150 or 9450NC44-60152.457.29150 or 9450NC44-60152.471.49150 or 9450NC44-62158.857.29150 or 9450NC46-62158.871.49150 or 9450NC46-65165.157.29150 or 9450NC46-65165.171.49150 or 9450NC46-67171.457.29150 or 9450NC50-67171.471.49150 or 9450NC50-70177.857.29150 or 9450NC50-70177.871.49150 or 9450NC50-72184.271.49150 or 9450NC56-77196.871.49150 or 9450NC56-80203.271.49150 or 94506 5/8REG209.671.49150 or 9450NC61-90228.671.49150 or 94507 5/8REG241.376.29150 or 9450NC70-97247.676.29150 or 9450NC70-100254.076.29150 or 94508 5/8REG279.476.29150 or 9450
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