Patent ID: 9598921
Date: 2017-03-21
CPC Classifications: E21B

Claim:
1. A method to facilitate well management in open hole completions being equipped with a production tubing, said method comprising the steps of: advancing a data acquisition module having a propulsion system through the production tubing and further into an open hole section of a wellbore and acquiring data providing information about the shape, size and surface condition and revealing fractures in a wall of the open hole section of the wellbore, and whereby at least one blocking system, on the basis of the data acquired, in the open hole wellbore, is placed at a location of a fracture in the wall, wherein the data acquisition module is advanced by interaction with a fluid present in the wellbore, and by that the data acquisition module acquires data providing information on a position of the data acquisition module in relation to the wall of the wellbore and is controlled on the basis of said data in order to maintain a distance to the wall of the wellbore during advancement of the data acquisition module.