IODP Expedition 346 Core drilling summary

Report includes detailed drilling data for each core: pump(s) used, mud pumped, strokes, shear pins/pressure, bit size/rotation, weight on bit, top drive torque, rate of penetration, core jams, winch and wirelines, core catcher/shoe and barrel, and whether core orientation, drillover, formation temperature, tracers, liners were used.本报告涵盖每份岩心的详细钻井数据：所用泵组、泵送泥浆量、冲程次数、剪切销与压力、钻头尺寸与转速、钻压、顶驱扭矩、机械钻速（rate of penetration）、卡心现象、绞车与钢丝绳绳系、岩心爪、岩心鞋与岩心筒，以及是否开展了岩心定向、补钻作业、地层温度测量、示踪剂应用及钻井衬管下入。