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IPDB › China Industry › Tools & Hardware

China, Chinese API 7-1 Spiral Drill Collar for High-Efficiency Drilling Operations¹ Industrial Products Supplier Manufacturer Details, price list catalog:

China Industrial Products Supplier Manufacturer List Catalog

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Drilling Tools Drill Collar High-Efficiency Collar Spiral Drill Collar

Goldenman Petroleum Equipment Co., Limited

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Product Description DRILL COLLAR Drill Collar-Purpose: The Drill Collar is an essential component that significantly enhances drilling operations by adding weight to the drill bit. It ensures continuous contact with the geological formation, thereby stabilizing the entire drill string and optimizing performance.-Specifications:1) Size: Available in a range of outer diameters from 3-1/8" to 11", with a standard length of 31 feet, accommodating diverse drilling requirements.2) Material: Crafted from robust alloy steel, renowned for its exceptional high yield strength, ensuring durability and reliability in demanding drilling conditions.3) Weight: Drill Collars are considerably heavier than standard drill pipes, with a specific gravity around 7.8, providing the necessary heft for efficient drilling.4) Thread Connections: Features API Regular or other premium thread connections, allowing for versatile compatibility with various drilling setups.-Features:1) Spiral grooves are expertly designed to prevent differential sticking, enhancing operational efficiency and minimizing downtime.2) Non-magnetic drill collars are available for use with sensitive directional tools, ensuring precision and accuracy in directional 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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Tools & Hardware: API 7-1 Spiral Drill Collar for High-Efficiency Drilling Operations

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