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China, Chinese API Drilling Collar Drill Collar for Oilfield1 Industrial Products Supplier Manufacturer Details, price list catalog:
China Industrial Products Supplier Manufacturer List Catalog
Drilling ToolsDrill CollarReliable Performance CollarSlick Drill Collar
Goldenman Petroleum Equipment Co., Limited
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Product Description DRILL COLLAR Drill Collar-Purpose: This essential component strategically adds weight to the drill bit, ensuring it maintains contact with the formation for optimal drilling efficiency, while simultaneously providing indispensable stability to the entire drill string.-Specifications:1) Size: Available in outer diameters ranging from 3-1/8" to an impressive 11", complemented by standard lengths of 31 feet, fitting diverse drilling requirements seamlessly.2) Material: Crafted from robust alloy steel, renowned for its high yield strength, ensuring durability and resilience in demanding drilling operations.3) Weight: Designed to be significantly heavier than conventional drill pipes, with a specific gravity approximately around 7.8, ensuring stability and effectiveness in drilling.4) Thread Connections: Choose from API Regular or other premium threads to best suit your drilling tool's requirements for secure and reliable connections.-Features:1) Spiral grooves ingeniously crafted to prevent differential sticking, enhancing operational reliability and efficiency.2) Non-magnetic drill collars, ideal 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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