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China, Chinese Premium Slick DC Spiral Drill Collar for Superior Rig Efficiency1 Industrial Products Supplier Manufacturer Details, price list catalog:
China Industrial Products Supplier Manufacturer List Catalog
Drilling ToolsDrill CollarEnhanced Drill CollarSlick DC Collar
Goldenman Petroleum Equipment Co., Limited
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Product Description DRILL COLLAR 1. Crafted from premium-grade materials, our API 7-1 Non-Magnetic Drill Collars boast an OD range of 79.4mm to 279.4mm, available in 4145H/4145H mod or non-magnetic options, ensuring unparalleled strength and reliability.2. Standard: Adhering to the highest industry benchmarks, our products meet the stringent criteria of API7-1 and NS-1 standards.A. Slick Drill CollarNote: Our drill collars are meticulously designed to provide optimal bit weight, keeping the drill pipe in tension while ensuring precision and control during drilling operations.With exceptional rigidity, they maintain the drill bit's centralization and hole trajectory. Each drill collar is crafted in strict compliance with API Spec7-1 and the SY5411 standard, ensuring top-tier performance.SY5411 standard.B. Spiral Drill CollarNote: Engineered to minimize contact with the hole, the spiral drill collar effectively prevents bit sticking due to differential pressure, optimizing performance in challenging conditions.These collars are manufactured with precision, strictly adhering to API Spec7-1 and Standard SY5144, ensuring reliability and durability.C. Spiral Drill Collar With Elevator Groove And Slip GrooveNote: The innovative elevator and slip grooves on the box thread face of our drill collars serve as lifting subs and safety slips during tripping operations.These features adhere to API SPEC7-1 technical parameters, with optional hardbanding available upon request, enhancing versatility and safety.D. Non-magnetic Drill CollarOur advanced cold-rolled finish on both ID and OD surfaces, coupled with a unique technical process, fortifies the collar's structure, offering exceptional resistance to stress, corrosion, and cracking. Mechanical performance is significantly enhanced, ensuring unmatched durability.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 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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