The fluid from the accumulator flows through the actuating valve to an operating chamber in the preventer, causing the ... be equipped with two Shaffer LWS manual lock 10aquot;a3000 ram preventers and a Hydril GK 10aquot;a3000 annular preventer.
Title | : | Oil and Gas Well Blowout Prevention in California |
Author | : | Fred O. Hallmark, Peter R. Wygle |
Publisher | : | - 1980 |
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