Continuous Implementation of Well Integrity Management System Integrated with Online Application Module Bringing High Level Safety of Well Integrity in Pertamina Hulu Mahakam

Abstract

Mahakam has more than 2500 wells with various type of well architecture and some of mature well has been exist more than 40 years. Well integrity becomes critical aspect to ensure proper containment as per well barriers philosophy. Since 2015, elaborate well integrity management system has been implemented in Mahakam and successfully maintained tremendous safety level of well integrity. The method used is by implementing NORSOK D.010 standard definition of well integrity which will be focusing on technical, operational and organizational approach. Furthermore, the online application system developed internally is also used as well database reference and well integrity classification by colour code. All information related to well barrier are recorded in one portal which are updated regularly. Standard operational procedure as one of the main reference also has been developed since 2015. Dedicated well integrity team, engineering in town and operation team are also established. Detailed monitoring and frequency is also precisely determine as per reference. It is concluded that well integrity management system in Pertamina Hulu Mahakam has significant advantages to maintain high level safety aspect of well integrity without any uncontrolled hydrocarbon leak to environment. The integration between technical, operational, organizational and also online module application is proven as a robust method.