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China, Chinese API 7A Non-Magnetic Drill Collar1 Industrial Products Supplier Manufacturer Details, price list catalog:
China Industrial Products Supplier Manufacturer List Catalog
Drilling ToolsDrill CollarDrill CollarNon-Magnetic 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 from premium 4145H/4145H mod or Non-magnetic materials.2. Standard: Rigorously adhering to API7-1 and NS-1 industry standards.A. Slick Drill CollarNote: A drill collar primarily functions to impart essential bit weight on the drill bit, effectively keeping the drill pipe under tension. Notably, the drill collar ensuresthat the drill bit remains perfectly centralized, guiding the hole trajectory with unmatched rigidity. Each drill collar is meticulously manufactured in accordance with API Spec7-1 andSY5411 standards, guaranteeing exceptional quality and performance.B. Spiral Drill CollarNote: The spiral drill collar is engineered to reduce contact with the borehole, minimizing the risk of bit sticking due to differential pressure.Our drill collars are expertly manufactured in strict compliance with API Spec7-1 and the rigorous SY5144 standard.C. Spiral Drill Collar With Elevator Groove And Slip GrooveNote: The elevator groove and slip groove, precisely crafted on the box thread face of both slick and spiral drill collars, function as a reliable liftingsubstitute and safety slip during trip outs. These grooves meet the technical criteria of API SPEC7-1, and optional Hardbanding can be incorporated upon customer request.D. Non-magnetic Drill CollarThis drill collar features a flawlessly cold-rolled finish on both ID and OD surfaces, enhanced by a unique technical process that fortifies the structure. This ensuresoptimal resistance to stress, corrosion, and cracking, significantly enhancing mechanical performance. High Quality API 7-1 NS-1 Non-Magnetic Drill CollarSpecifications for API 7-1 Non-Magnetic Drill Collar Slick Drill Collar OD 79.4mm to 279.4mm are designed to meet the highest standards of strength and durability. 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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