Oilwell drilling engineering
A variation of the Hydril annular preventer, shown in Figure 13.1, is the Regan Type K preventer used on conductor and surface casings. This type does not employ an operating piston and simply uses fluid pressure to compress a packing element. The normal hydraulic closing ... Pipe rams can be closed manually or hydraulically to seal off the annular space below them. Hydrauli- cally-operated pipeanbsp;...
| Title | : | Oilwell drilling engineering |
| Author | : | Hussain Rabia |
| Publisher | : | Graham & Trotman, Limited - 1985 |
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