Recirculatable ball-drop release device for lateral oilwell...
Releasable connector assembly for a perforating gun and method
Releasable coupling for tubing conveyed subterranean well perfor
Releasable drill string device and method
Release mechanism for downhole tool
Release mechanism for downhole tool
Retrieving well tools under pressure
Rotating stuffing box with split standpipe
Rotating stuffing box with split standpipe