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IPDB › China Industry › Tools & Hardware

China, Chinese Spiral Drill Collar with API 7-1 Drilling String Spiral Slick DC¹ Industrial Products Supplier Manufacturer Details, price list catalog:

China Industrial Products Supplier Manufacturer List Catalog

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

Goldenman Petroleum Equipment Co., Limited

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Product Description DRILL COLLAR Drill Collar-Purpose: This robust tool plays a pivotal role in drilling operations by contributing essential weight to the drill bit, ensuring it remains in seamless contact with the geological formation. Simultaneously, it provides unparalleled stability to the drill string, facilitating smooth and efficient drilling processes.-Specifications:1) Size: Offering a versatile range of outer diameters from 3-1/8" to 11", complemented by standard lengths of 31 feet, it caters to a variety of drilling needs with precision.2) Material: Crafted from high-grade alloy steel, this drill collar boasts exceptional high yield strength, designed to withstand the demanding conditions of drilling operations.3) Weight: Engineered to be typically heavier than the standard drill pipe, with a specific gravity approximately at 7.8, it ensures optimum downforce to facilitate effective drilling.4) Thread Connections: Equipped with versatile API Regular or other premium threads, it ensures secure and reliable connections for diverse drilling applications.-Features:1) Spiral grooves strategically incorporated to effectively prevent differential sticking, enhancing the overall reliability and performance of the drilling process.2) Non-magnetic drill collars: Specifically designed for use with sensitive directional tools, they offer superior performance by eliminating magnetic interference, thus ensuring precision in directional 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: Spiral Drill Collar with API 7-1 Drilling String Spiral Slick DC

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