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IPDB › China Industry › Tools & Hardware

China, Chinese API 7-1 Drill Collar for Drilling String¹ Industrial Products Supplier Manufacturer Details, price list catalog:

China Industrial Products Supplier Manufacturer List Catalog

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Drilling Tools Drill Collar Improved Drilling Collar API 7-1 Drill Collar

Goldenman Petroleum Equipment Co., Limited

Preview:

Product Description DRILL COLLAR - The Backbone of Your Drilling Operations! Drill Collar - Elevate Your Drilling Efficiency with Our Advanced Technology!- Purpose: Skillfully engineered to add essential weight to the drill bit, ensuring constant contact with the formation, while seamlessly providing robust stability to the entire drill string.- Specifications: Designed to meet the diverse needs of the drilling industry, our specifications ensure unmatched reliability and performance.1) Size: Available with outer diameters ranging impressively from 3-1/8" to 11", and featuring standard lengths of 31 feet, tailored to suit your specific drilling requirements.2) Material: Crafted from high-yield strength alloy steel, our drill collars promise durability and strength even in the most demanding drilling environments.3) Weight: Typically engineered to be heavier than standard drill pipes, with a specific gravity of approximately 7.8, guaranteeing optimal performance.4) Thread Connections: Equipped with API Regular or premium thread connections, providing versatility and reliability for all your drilling needs.- Features: Packed with innovative features ensuring productivity and safety.1) Spiral grooves meticulously designed to prevent differential sticking, enhancing efficiency and operational smoothness.2) Non-magnetic drill collars, crucial for sensitive directional tools, ensuring precision and accuracy in complex drilling operations.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 String

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