120 likes | 498 Vues
2. Lesson 6C - Motion Compensation. Bumper SubsT = H - wdBuoyant RiserJackup Rig. . 3. Bumper Subs. Fit into the drill collar string, but do not have the ruggedness of drill collars. To obtain a reasonable operating life from bumper subs, action has to be taken on the following points
E N D
1. 1 Petroleum Engineering 626Offshore DrillingLesson 6C Motion Compensation