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CORING TOOLS
SPQ Coring Tool for Directional Drilling
Release time:2017/6/9 11:49:25 Read:788
SPQ uses inner barrel stabilizer and drum-type outer barrel stabilizer to reduce the friction in high-deviated well and horizontal well and stabilize well trajectory.Radialup-righting bearings separately on upperinner barrel and inner tube shoe keep inner barrel in the center during the whole coring process.The maximumpassing curvature of coring tool is 48°/100m. SPQ is widely used in China, 90% core recovery above.
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