Patent ID: 8443894

Claim:
An operating tool for a subterranean tool located in or delivered to a tubular string and actuated by movement of a movable member in a housing in the subterranean tool by the operating tool, comprising: a mandrel having an open passage therethrough delivered on a string to the subterranean location, said mandrel supporting a selectively releasable gripping member to selectively actuate the movable member of the subterranean tool in opposed directions while selectively fixedly and sealingly engaged to the housing of the subterranean tool with a latch said actuation facilitating pressure testing the string through said mandrel open passage and to the housing of the subterranean tool with said subterranean tool in a closed position; said gripping member releasing from the movable member before said latch mechanically releases from the housing in response to a mechanical force applied to the string.