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China, Chinese API 7-1 Non-Magnetic Drill Collar for Well Drilling1 Industrial Products Supplier Manufacturer Details, price list catalog:
China Industrial Products Supplier Manufacturer List Catalog
Drilling ToolsDrill CollarNon-Magnetic CollarHeavyweight Drilling Collar
Goldenman Petroleum Equipment Co., Limited
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Product Description DRILL COLLAR 1. Exquisite Material Selection for API 7-1 Non-Magnetic Drill Collar Slick Drill Collar OD 79.4mm to 279.4mm: Choose between robust 4145H/4145H mod or Non-magnetic for superior performance.2. Uncompromising Standards: Compliant with API7-1, NS-1 for assured quality and safety.A. Slick Drill CollarNote: Our drill collar is expertly designed to impart optimal bit weight to the drill bit, ensuring that the drill pipe remains under tension. This precision engineering allows the drill collar tomaintain the drill bit's centralization and stabilize the hole track through its inherent large rigidity. Manufactured with stringent adherence to API Spec7-1 andSY5411 standards, delivering excellence with every drill.B. Spiral Drill CollarNote: The Spiral drill collar is ingeniously crafted to lessen contact with the hole, efficiently preventing bit sticking due to differentialpressure. These collars are meticulously manufactured to meet the rigorous API Spec7-1 and Standard SY5144.C. Spiral Drill Collar With Elevator Groove And Slip GrooveNote: Our expertly crafted elevator groove and slip groove on the box thread face of either slick or spiral drill collars serve as a reliable liftingsub and safety slip during trips out. These grooves are designed according to API SPEC7-1 standards, with optional Hardbanding to cater to specific customer needs.D. Non-magnetic Drill CollarThe cold-rolled finish on both ID and OD surfaces, combined with a unique technical process, fortifies the structure, enhancing the tool's resistance to stress, corrosion, and cracking. This ensures superior mechanical performance.High-Quality API 7-1 NS-1 Non-Magnetic Drill CollarSpecifications: Choose from a range of API 7-1 Non-Magnetic Drill Collar Slick Drill Collar OD options, 79.4mm to 279.4mm, for tailored drilling solutions. 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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