can be removed with the tubing string connected at thread 12 groove 22 also serves as an attachment point for a fishing spear not shown that can engage the housing 24 if for any reason it needs to be fished out valve 60 can be a sleeve that is released for movement by the processor 56 such that passage 34 is in communication with passage 58 as the sleeve moves against a low pressure or atmospheric chamber 62 as shown in the lower part of the fig where the separation has already occurred alternatively valve 60 can be a ball or a plug valve or other designs suitable for on and off service those skilled in the art will appreciate that what is illustrated is a disconnect that can be triggered with a signal in a variety of forms that can be recognized by a processor to then employ pressure in the annular space around the tool or in the tubing passage within the tool to get a piston moving to allow a connection to separate there can be a single signal that is recognized to allow the separation or discrete signals so that alternative opportunities are available to trigger.