Percussion actuated core sampler

作者： Arild Aamodt Andresen , Steinar Sollie

DOI:

关键词: Percussion 、 Engineering 、 Mechanical engineering 、 Line (electrical engineering) 、 Drill string 、 Barrel (horology) 、 Core sample 、 Turbine 、 Drilling fluid 、 Core (optical fiber)

摘要: The present invention provides a percussion actuated wire line sampler for use in drill string. includes core barrel adapted to be inserted into the string and freely movable therein. A hydraulic device (16) also insertable is connected barrel. downhole mud turbine (20) provided responsive drilling pressure actuate drive out of end material sampled.