Patent ID: 9611709
Date: 2017-04-04
CPC Classifications: E21B

Claim:
1. An apparatus for use in a wellbore, comprising: a downhole tool coupled to a wireline for conveying the tool into the wellbore and for providing a data communication between the downhole tool and a surface location, the downhole tool comprising: a settable device; a setting tool for setting the settable device in the wellbore; an acoustic sensor that provides measurements relating to a downhole parameter of interest by transmitting an acoustic signal ahead of the settable device, the acoustic sensor located axially downhole from the setting tool and the downhole parameter of interest being the location of a downhole obstruction; and a controller for determining the downhole parameter of interest from the measurements and in response thereto altering one of an operating parameter selected from a group consisting of: a flow rate of a fluid supplied into the wellbore for conveying the downhole tool into the wellbore; a tension on the wireline; and a combination of the flow rate of the fluid into the wellbore and the tension on the wireline.