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Field Trial of Cloud-Connected Wireless Completion System

The effectiveness of intelligent completions for production optimization and improvement of reservoir management is well established, yet the use of the technology remains limited to high-value, single-bore wells. The cost and complexity of these solutions, coupled with limitations in well types, interval quantity, and system-interface quality, have prevented broader application. This paper describes the development and field trials of a cloud-connected, wireless intelligent completion system that enables long-term monitoring and interval control to enhance production management by connecting the user wirelessly from the desktop to downhole inflow-control valves (ICVs).

Introduction

One reason for the high expense of intelligent completion technology is the need for a wire or tubes to control and power downhole equipment such as sliding sleeves. An intelligent completion that communicates wirelessly within the wellbore provides dual benefits in completion operations and production management, and eliminates the requirement for control lines. The all-electric technology also provides greater scope for digital well management and integration with surface systems (Fig. 1).

Fig. 1—Configuration of wireless intelligent completion system SAU=surface acquisition unit.

 

A slimline ICV has been developed that provides infinitely variable choking capability and multiple integrated sensors. Qualification has been completed to the operator’s existing standard for interval control valves adapted and augmented to reflect the differences between the wireless solution and conventional technology.

Several field installations have been performed with the system, two of which are detailed in the complete paper. In the first of these two, operations were performed with local-only access to surface data. The project demonstrated the ability to communicate effectively but highlighted some mechanical limitations in the tool itself. After design improvements, a second installation was performed, which also included a surface management system with wireless interpretation software and cloud connectivity.

This article, written by JPT Technology Editor Judy Feder, contains highlights of paper SPE 192940, “Development and Field Trial of the World’s First Cloud-Connected Wireless Intelligent Completion System,” by Annabel Green, SPE, and Paul Lynch, SPE, Tendeka, and Bjarne Bugten, Equinor, prepared for the 2018 Abu Dhabi International Petroleum Exhibition and Conference, 12–14 November.
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Field Trial of Cloud-Connected Wireless Completion System

01 January 2020

Volume: 72 | Issue: 1

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