Patent ID: 9581013
Date: 2017-02-28
CPC Classifications: E21B

Claim:
1. A method of performing an operation in a wellbore, comprising: placing a member at a first location in the wellbore, the member including a plurality of circumferentially spaced tags in a plane perpendicular to a longitudinal axis of the wellbore; setting the member in the wellbore at the first location; conveying a tool in the wellbore, the tool including a sensor to provide signals in response to detecting each of the circumferentially spaced tags in the member, wherein an orientation of the plurality of circumferentially spaced tags is known relative to the tool; and processing the signals from the sensor to determine orientation of the tool in the wellbore, wherein the orientation of the tool includes a rotational orientation in response to detecting each of the circumferentially spaced tags.