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IPDB › China Industry › Tools & Hardware

China, Chinese API 7-1 Non-Magnetic Spiral Drill Collar for Oil Exploration¹ Industrial Products Supplier Manufacturer Details, price list catalog:

China Industrial Products Supplier Manufacturer List Catalog

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Drilling Tools Drill Collar Non-Magnetic Collar Spiral Drill Collar

Goldenman Petroleum Equipment Co., Limited

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Product Description DRILL COLLAR Drill Collar-Purpose: Designed to enhance drilling operations, this drill collar adds necessary weight to the drill bit, ensuring optimal contact with the geological formation. It also ensures stability and sturdiness to the entire drill string, making it an indispensable tool in precision drilling.-Specifications:1) Size: Offering versatile options with outer diameters ranging from 3-1/8" to 11", and a robust standard length of 31 feet to meet diverse drilling needs.2) Material: Crafted from high-yield strength alloy steel, ensuring durability and superior performance under extreme conditions.3) Weight: Engineered to be significantly heavier than standard drill pipe, boasting a specific gravity around 7.8, providing the needed heft for efficient drilling.4) Thread Connections: Available in API Regular or other premium threads, tailored for seamless integration and enhanced functionality in various drilling operations.-Features:1) Spiral grooves for effective differential sticking prevention, ensuring smooth and uninterrupted drilling operations.2) Non-magnetic drill collars perfect for use with sensitive directional tools, minimizing interference and optimizing precision.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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Tools & Hardware: API 7-1 Non-Magnetic Spiral Drill Collar for Oil Exploration

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