166 / | HD | WELLS |
244.1 | DF | PROCESSES {39} |
285 | .~ Cementing, plugging or consolidating {7} | |
286 | DF | .~.~> Tamping, vibrating, exploding or using receptacle |
287 | DF | .~.~> Removable molding or forming means |
288 | DF | .~.~> Including heating |
289 | DF | .~.~> Discharging cement from casing at different levels |
290 | DF | .~.~> By tubing which is subsequently lifted |
291 | DF | .~.~> With piston separator |
292 | DF | .~.~> Using specific materials {2} |