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China, Chinese API7-1 Drill Collars/Non-Magnetic Drill Collar Spiral Drill Collar Nmdc1 Industrial Products Supplier Manufacturer Details, price list catalog:
China Industrial Products Supplier Manufacturer List Catalog
Oilfield Shale ShakerHeavyweight CollarSlick Drill Collar
Goldenman Petroleum Equipment Co., Limited
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Product Description DRILL COLLAR Drill Collar-Purpose: This essential component is engineered to impart significant weight to the drill bit, ensuring it remains in seamless contact with the geological formation. It also provides unwavering stability to the entire drill string, facilitating efficient and effective drilling operations.-Specifications:1) Size: Our drill collars come in a versatile range of outer diameters from 3-1/8" to 11", with standard lengths crafted to 31 feet, accommodating diverse drilling requirements.2) Material: Forged from high-grade alloy steel, these collars boast remarkable high yield strength, ensuring superior durability and performance under demanding conditions.3) Weight: Designed to be substantially heavier than standard drill pipes, with a specific gravity of approximately 7.8, guaranteeing the necessary heft for robust drilling.4) Thread Connections: Available with API Regular or other premium threads, these collars offer adaptable connectivity for a wide array of drilling contexts.-Features:1) Spiral grooves integrated for the prevention of differential sticking, enhancing operational continuity and efficiency.2) Non-magnetic drill collars are available, ideal for use with sensitive directional tools, ensuring precision and accuracy in challenging drilling applications.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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