| 摘要 |
A well testing valve for obtaining a pressure build-up survey from a well bore intersecting a reservoir, the well bore containing a landing receptacle, is disclosed. The well testing valve comprises locking means for locking the well testing valve in the landing receptacle, valve means for selectively opening and closing the well bore. Also included is a rotational power source including a control means for selectively opening and closing the well bore, and recording means for recording the bottom hole pressure and temperature.
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