This paper describes and demonstrates how a patented new wellbore intervention solution can be deployed in long horizontal wells holding Fibre Optic Sensing devices including DTS (distributed temperature sensing), Point Pressure and Motion sensors performing logging services to evaluate the Inflow Performance along the reservoir sections. The paper also provides a description of the intervention system with a short introduction on how the final system emerged from the idea stage. Also, we provide two Case Histories - a horizontal oil producer with 2-phase flow, and horizontal water injector. The planning- and operational execution phases are briefly described. The paper closes with a brief conclusion of what has been achieved and what more this technology may be able to in the near future. The methodology describes can be seen as a 3rd wellbore intervention method, in addition to coiled tubing (CT) and wireline.

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