Deploying a Wireless Downhole Reservoir Testing System Enabling Real-Time Interpretation and Tool Control

Abstract

Successful exploration and field development requires knowledge of fundamental reservoir and production properties. These properties can only be confidently measured by conducting a reservoir test, properly designed to measure pressure, temperature, and flow rate and sample for the zone of interest. Alongside the key task of gathering the necessary data and validating test objectives, this process involves the flowing of hydrocarbons through temporary equipment. It is therefore critical, to safely and efficiently manage the wellbore. A new wireless downhole reservoir testing system has been deployed in Saudi Arabia to meet reservoir testing challenges. This integrated system allows retrieval of downhole measurements throughout the test, control and verification of the tester and circulating valves, and selective activation of multizone perforating guns. This paper presents field cases demonstrating how the system has been used for these applications in an effort to reduce operational risks and improve certainty in reservoir testing results.