TX 75083-3836, U.S.A., fax 01-972-952-9435. AbstractSince the first intelligent completion was installed in August 1997, over 200 such systems have been installed globally. The systems installed encompass a wide range of downhole and surface equipment, though some aspects are similar for all installations. This paper will address the lessons learned and best practices developed since the installation of the first system seven years ago.Detailed project and operational planning is critical to the success of any project, but is of paramount importance to complex projects such as intelligent completions. Operational planning and execution begins before the equipment is manufactured and carries through to equipment testing, shipping, and surface checks prior to picking up the assemblies.Installation and proper execution is critical for all projectsthough specifically important in many of the intelligent completion installations which take place in applications with very high rig rates. To complement success, post-job reviews allow for lessons learned and best practices to be disseminated throughout the intelligent completion provider organization as well as the operating company.The tangible results of this detailed planning and execution are realized as rig time savings without jeopardizing safety. Though more difficult to quantify, reliability improvements and an increase in customer satisfaction and confidence can be achieved by the incorporation of standardized, downhole components and installation equipment.
Since the late 1990's, the intelligent completion market has been struggling with the challenge of increasing the number of segmented zonal isolations by minimizing risk and consequently increasing overall production. Risk has been manipulated by restricting the number of zonal segmentations which results in loss of potential zones, non-optimized reservoir drainage due to commingling two or more zones into a single zone impacting reservoir performance.The obvious benefits of intelligent completions are often not visualized until after deployment; the active management of the reservoir with the aided faculty to monitor reservoir performance through down hole gauges and surface digital infrastructure.The often overlooked benefits of intelligent completions are the ones that are invaluable during the installation providing seamless operational excellence with the manipulation of the interval control valves (ICV) for the purpose of testing, and to control potential well issues such as fluid loss and well control.This paper presents a case history from Indonesia in which a six zone intelligent completion was installed inside a single trip multi-zone (six zones) sand control system with complete zonal isolation, control and the ability to measure a total of twelve (12) pressure and temperature points from the subsea well.This document will highlight the challenges involved in bringing a custom solution to reality in a short time from concept to installation. At the same time it will also demonstrate the benefits brought to the operator when managing fluid loss and maintaining well control through the use of the down hole intelligent completion interval control valves prior to landing the completion.Deployment challenges, solutions, successes experienced at the well site and the actual performance of the operations will be detailed in the paper.
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