高峰XS型方钻杆旋塞阀.ppt
XS型方钻杆旋塞阀.ppt
XG型套铣管.ppt
XFQ型悬浮器.ppt
WTJ型固定角度弯接头.ppt
WH型可换套稳定器.ppt
WHG型可换套滚子稳定器.ppt
WD-S型水力式外割刀.ppt
WD-J型机械式外割刀.ppt
Casing Window Milli...
Casing Collapse
Drilling With Casin...
Riserless Drilling ...
Wellheads and Casing
ENI_-_Casing_Design...
Field Inspection of...
Casing Tables_2007