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China, Chinese Premium API Spiral Non-Magnetic Drill Collars for Bulk Purchase1 Industrial Products Supplier Manufacturer Details, price list catalog:
China Industrial Products Supplier Manufacturer List Catalog
Drilling ToolsDrill CollarHigh-Quality CollarNon-Magnetic Collar
Goldenman Petroleum Equipment Co., Limited
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Product Description DRILL COLLAR Drill Collar-Purpose: Meticulously engineered to add essential weight to the drill bit, ensuring unwavering contact with the geological formation. It enhances the stability of the drill string, optimizing drilling performance with precision and reliability.-Specifications:1) Size: Offers an extensive range with outer diameters from 3-1/8" to 11", accompanied by standard lengths of 31 feet, catering to diverse drilling needs.2) Material: Crafted from superior alloy steel, boasting high yield strength to withstand challenging drilling conditions.3) Weight: Notably more substantial than drill pipe, with a specific gravity of approximately 7.8, providing the necessary heft for optimal drilling efficiency.4) Thread Connections: Equipped with API Regular or other premium threads to ensure seamless and secure connections throughout drilling operations.-Features:1) Spiral grooves specifically designed to prevent differential sticking, enhancing operational efficiency and safety.2) Non-magnetic drill collars, ideal for use with sensitive directional tools, ensuring precise and accurate drilling guidance.Drill collar specificationsNominal SizeODIDLengthBevel Dia. mmBending Strength RatiomminmminmmNC31-41(2-7/8IF)104.84-1/850.829150100.42.43:1NC35-47120.74-3/450.829150114.72.58:1NC38-50(3-1/2IF)127557.22-1/491501212.38:1NC44-60152.4671.42-13/169150/9450144.52.84:1NC44-62158.86-1/457.22-1/49150/9450149.22.91:1NC46-62(4IF)158.8158.871.42-13/169150/94501502.63:1NC50-70(4-1/2IF)177.8757.22-1/49150/9450164.72.54:1NC56-77196.87-3/471.42-13/169150/9450185.32.70:16-5/8REG209.68-1/471.42-13/169150/9450195.72.93:1NC61-90228.6971.42-13/169150/9450212.73.17:1We can supply full size drill collar with API 5D/5DP, Please leave a message for consultation. Drill pipe Size(in)OD of Pipe Body(mm)Wall Thickness of Pipe Bodymm2.3/8" to 6.5/8"60.32-168.287.11-12.70
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