| 主权项 |
1. A valve for use in a downhole production string comprising:
a body, a shuttle slidably inserted in the body, and a bobbin for mating with the shuttle; the valve body and shuttle provide a pump rotor passageway; and, the passageway for receiving a rotatable rod therethrough and the bobbin for slidably contacting the rod; wherein during normal operation of the production string a pump driven by the rod pumps fluid through the passageway and during a pump rotor removal operation a rotor of the pump is passed through the valve via the passageway. |
