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IPDB › China Industry › Tools & Hardware

China, Chinese API 7-1 Drill Collar for 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 Drill Collar API 7-1 Collar

Goldenman Petroleum Equipment Co., Limited

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Product Description DRILL COLLAR Drill Collar-Purpose: Designed to add substantial weight above the drill bit, this essential component ensures that the bit remains in constant contact with the geological formation. By providing crucial stability to the drill string, it enhances the precision and efficiency of drilling operations.-Specifications:1) Size: Available in a range of outer diameters from 3-1/8" to 11", with standard lengths precisely measured at 31 feet, catering to various drilling needs.2) Material: Expertly crafted from high-yield strength alloy steel, ensuring durability and reliability under demanding conditions.3) Weight: Notably heavier than typical drill pipes, with a specific gravity approximately around 7.8, providing the necessary downward force for effective drilling.4) Thread Connections: Compatible with API Regular or other premium thread options, ensuring secure and versatile connectivity.-Features:1) Incorporates spiral grooves ingeniously designed to prevent differential sticking, enhancing operational fluidity.2) Offers non-magnetic drill collars, essential for use with sensitive directional tools, ensuring accuracy in navigational drilling tasks.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 Drill Collar for Drilling Operations

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