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China, Chinese Premium Heavy Weight Drill Collars with API Certification for Oilfield Use1 Industrial Products Supplier Manufacturer Details, price list catalog:
China Industrial Products Supplier Manufacturer List Catalog
Drilling ToolsDrill CollarAPI Certification CollarOilfield Drilling Collar
Goldenman Petroleum Equipment Co., Limited
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Product Description DRILL COLLAR 1. Premium Material of API 7-1 Non-Magnetic Drill Collar: Our Slick Drill Collar ranges from OD 79.4mm to 279.4mm, crafted from top-tier 4145H/4145H mod or a superior Non-magnetic alloy.2. Industry Standards: Compliant with API 7-1 and NS-1 standards, ensuring reliability and performance.A. Sleek and Sturdy Slick Drill CollarNote: Designed primarily to transmit substantial weight to the drill bit, the drill collar keeps the drill pipe in a state of tension. Particularly, our drill collar is engineered tomaintain the drill bit centralization and optimal hole trajectory due to its exceptional rigidity. Manufactured in strict adherence to API Spec7-1 andSY5411 standards, our drill collars are the epitome of precision engineering.B. Efficient Spiral Drill CollarNote: Our spiral drill collar is expertly crafted to minimize contact with the borehole, thereby significantly reducing the risk of bit sticking from differentialpressure. These drill collars are produced strictly following API Spec7-1 and SY5144 standards, ensuring superior quality and performance.C. Advanced Spiral Drill Collar With Elevator and Slip GrooveNote: The incorporation of elevator and slip grooves on the box thread face, whether on slick or spiral drill collars, facilitates efficient liftingand safety operations during trips out. These grooves adhere to API SPEC7-1 standards, with optional hardbanding available upon customer request.D. Cutting-edge Non-magnetic Drill CollarOur unique cold rolled finish on both the ID and OD surfaces, combined with an innovative technical process, enhances structural integrity, ensuring optimal resistance to stress, corrosion, and cracking, and significantly boosts mechanical performance.High-Quality API 7-1 NS-1 Certified Non-Magnetic Drill CollarSpecifications for our API 7-1 Non-Magnetic Slick Drill Collar: Available in sizes ranging from OD 79.4mm to 279.4mm, offering versatility and precision. 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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