井径缩小  loss of working diameter

井眼缩径  hole shrinkage

声波测井的井径范围  CLIM

缩小井径钻进  mouse ahead

测量的井径  calipered hole size

超径井眼  overgauge hole

超小井眼钻机  ultra-slim hole rig

大直径井眼  large hole

带推靠器的井径仪  powered caliper device; PCD

定向井井眼设计图  well plat

顿钻钻的井眼  cable tool hole

接着钻的井眼  follow-up hole

井底部小直径井眼  rat hole

井径井录  Caliper

井眼的斜井段  slant section of hole

偏离预定方向的井眼  drifted borehole

桥塞阻住的井眼  bridged hole

缩小井距  well space shortening

套管径10英寸以上的井眼  big hole