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Electric Inflow Control Valve

INTELLIGENT WELL COMPLETIONS

eICVElectric Inflow Control Valve

The Challenge

Intelligent completion systems are the best option to enable the selection between production zones, ensuring efficient reservoir management and increased oil recovery of oil and gas fields. However, low reliability and multiplex limitation of hydraulic systems still hamper its full use.

Our Solution

The eICV is a highly reliable inflow control valve, based on a fully electric actuation system integrated with a well monitoring system. This innovative equipment allows precise control of injection or production flow, in deepwater wells, over a range of extreme temperatures, high pressures and large flow rates.

The infinitely variable choke and sophisticated flow production profile allow optimal production and injection control of each zone in the reservoir. In addition, multiple eICVs can be installed in the well sharing a single downhole cable with the completely integrated well monitoring system, thus increasing oil recovery and reducing operational cost.

With a robust concept, compact design and equipped with advanced control and feedback sensing systems, the all-electric completion system is the best choice for well production management.

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Main Advantages

  • Electrically operated;
  • Multiple valves sharing a single electrical cable in the same well;
  • Infinitely variable choke;
  • Fast, bidirectional, changes in the choke position;
  • Redundant sensing systems for choke position, feedback, and diagnostics;
  • Integrated pressure and temperature sensors to monitor annulus and tubing spaces;
  • Erosion resistant trim with tungsten carbide inserts;
  • High axial driving force to remove scale build-up on the choke trims;
  • Open/close mechanical override system using standard wireline methods;
  • Long life cycle with high reliability in harsh environments;
  • Designed for extreme temperatures, high pressures and large flow rates;
  • Many valves can be installed in the well sharing a single electric cable;

Datasheet

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Papers

ALL ELECTRIC INTELLIGENT COMPLETION SYSTEM - INTEGRATING THE FUTURE ALL ELECTRIC

Abstract
The continued rising costs involved in oil and gas extraction, particularly in ultradeep waters, requires the optimization and automation of production/injection wells to improve ultimate recovery and to make offshore field exploitation economically viable. In the Brazilian Pre-Salt conventional Direct Hydraulic Intelligent Completion Systems are commonly employed to achieve these objectives. That means the installation of hydraulic controlled downhole flow devices at each potentially active injection/production zone in the well, with. simultaneous real-time monitoring of all devices. Due to Pre-Salt’s critical and harsh scenario, reliability and reduction of costs and operational risks are key requirements for such systems. However, there are major technological challenges in fulfilling these requirements because of the great depths of the reservoirs, ultradeep water sites, high pressures and temperatures and high complexity of the communication between the surface and the well. In order to overcome these challenges, an All Electric Intelligent System can replace those conventional Direct Hydraulic ones, yielding a simpler architecture and higher overall reliability and availability. This paper presents the development of an All Electric Intelligent Completion System (eIC) aimed at Pre-Salt applications, comprising the entire subsea interface and communication system. The technological challenges and rigorous qualification and reliability tests are discussed.

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