| 摘要 |
A well testing tool includes a plurality of valves, a plurality of well tool control systems connected, respectively, to the plurality of valves, and an electronics section connected to the plurality of well tool control systems for energizing one of the control systems thereby opening or closing a valve associated with the one control system when the electronics section of the tool detects the existance of an input stimulus transmitted downhole by an operator at the well surface. The operator need only know the particular input stimulus to transmit for a particular valve and need not know how many well tools are disposed downhole or in which tool a particular valve is disposed. The opening or closing of a particular valve is accomplished independantly of any other valves disposed in the tool.
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