Managing oil fields in the best way possible has always been in the centre of interests for various oil companies. Production maintenance and optimization, deferment minimization, efficient monitoring of well, reservoir & facility performance, crossfunction collaboration, and many other related issues, all represent the building blocks of a successful and efficient field management structure. This carbonate field of Petroleum Development of Oman is one of the largest fields in the Sultanate of Oman and has been running for more than four decades, and still contributes. Hence, it is becoming more important than ever to ensure that the field is managed both optimally and efficiently to adequately handle the subsurface complexity, the large stock of wells and facility units, and all other related issues, such as operations, services, human resources, etc. An integrated Wells, Reservoir and Facility Management has been implemented to create a more focus and discipline with the aim of achieving an efficiently monitored & controlled asset as well as highly synchronised multi-team actions. The integrated management approach involves structured reservoir and field reviews conducted by integrated multi-disciplinary team, structured processes utilising Smart Field concept and Collaborative Work Environment, enabling technology to obtain data, convert data to useful information and take right decision/action at right time. Exception Based Surveillance is deployed via smart tools to closely monitor and optimise wells and facilities in real time. As a result of the newly introduced management approach, a total of 26 sectors (more than 450 wells) have been collaboratively reviewed, resulting in:  Wells book including full details on current status, challenges, potential activities and short term optimisation plan have been updated for all wells. This is considered a major achievement for this cluster of fields, where for the first time 100% wells were being properly reviewed on yearly basis.  More than 150 activities have been identified as well optimisation, reinstatement, repair, data gathering and sidetrack. Excellent optimisation gain has been generated and stable production has been achieved. Proper planning of identified activities and faster implementation resulting in better reservoir monitoring, excellent production, significant deferment reduction and lesser restoration time of failed wells and equipment.


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