自由转动离合器
free wheel (roller)clutch
关井井底压力
bottom-hole pressure shut-in
shut-in bottom hole pressure
closed-in bottom hole pressure
close-in bottom hole pressure
SIBHP
BHSIP
BHPC
井底动态条件
bottom hole dynamic condition
井底转向工具
bottom-hole steering tool
气井井底压力
bottom-hole pressure of gas well
最终关井井底压力
final bottom-hole pressure shut-in
FBHPSI
绕墙底转动
movement mode of rotation about base