Patent ID: 8479830

Claim:
Apparatus for deploying a wireline tool and an umbilical conduit in a borehole, the apparatus comprising: a wireline cable connected at a first end at the surface and releasably connected at a second end to a first end of an umbilical cable via a first connection means; and a second end of the umbilical cable releasably connected to a logging head of a wireline tool via a latching means, the logging head providing for mechanical and electrical connection between the wireline tool and the wireline cable via the umbilical cable; wherein the umbilical cable is surrounded by umbilical pipe, and the logging head is adapted to provide a mechanical and hydraulic connection between the umbilical pipe and the wireline tool; and wherein the wireline tool is releasable from connection with the umbilical cable by a release means in the latching means, and adapted to be pulled through the latching means and through the umbilical pipe to be retrievable from the borehole.