Blowout prevention equipment, use, and testing
HYDRIL. TYPE. aquot;Vaquot;. RAM. Figure 5. Cutaway view of locking shaft on ram preventer (note arrow). (Courtesy of NL Shaffer) This shaft can be used to lock the rams in a closed position or to manually screw the rams closed without the aid of hydraulic pressure. ... ANNULAR PREVENTERS Annular blowout preventers are the most versatile type of preventer in that they can seal and even strip on pipe of anyanbsp;...
| Title | : | Blowout prevention equipment, use, and testing |
| Author | : | Daniel T. Bertalan |
| Publisher | : | - 1979 |
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