泵后加砂砾石充填
gravel injection down-stream of the pump
不污染的砾石充填液
nondamaging gravel packing fluid
常规砾石充填
conventional type gravel packing
车装砾石充填装置
truck-mounted gravel injection unit
充填砾石与地层砂粒度中值比
median pack-to-formaton grainsize ratio
袋装砾石充填砂
sacked gravel packing sand
多层裸眼井砾石充填
multiple zone open hole gravel pack
多层裸眼砾石充填
multiple open hole gravel pack
反循环砾石充填
reverse circulation gravel pack