Session Managers: Jazael Ballina Ruvalcaba, Baker Hughes; Allan Rydahl, Halliburton; Mohd Faiz Abdul Aziz, PETRONAS; Nurul Aida M Agil, PETRONAS

This session will delve into integrated strategies that combine production optimisation with digital innovation to enhance the performance and sustainability of carbonate reservoir management.

The Production Optimisation & Field Management outlines an integrated approach to enhance production performance in carbonate reservoirs through advanced reservoir characterisation, dynamic modeling, and systematic surveillance. By combining subsurface understanding with proactive reservoir and well management, the approach mitigates heterogeneity challenges, sustains recovery, and ensures cost-efficient field development. Multidisciplinary integration is a key enabler for optimising production strategies and extending field life.

The Digitalisation & Innovation demonstrates how digital technologies, and innovative workflows transform carbonate reservoir management. By embedding smart analytics, real time surveillance, and digital field platforms into operations, decision making becomes faster and more reliable. These innovations enable proactive identification of production opportunities, improved recovery, and streamlined field management. The view of digitalisation as a catalyst for resilience, efficiency, and sustainable value creation in carbonate assets.

 

Discussion Leaders:

• A Practical Solution to Capture Subsurface Complexity to Match Production Performance at Field F Off the Coast of Sarawak, Offshore Malaysia by Lufti Abbas Bidin, PETRONAS Carigali Sdn. Bhd.
• Closing the Loop: Integrated Network Simulation for Proactive Surveillance and Production Optimisation by Sukrut Shridhar Kulkarni, PETRONAS
• Securing the Future - Managing Subsidence Risk in Depleted Carbonate Fields by Phyllis Seli, Sarawak Shell Berhad
• Field-Level Diagnostics and Asset Modelling to Resolve Allocation Discrepancies and Extend Gas Hub Production Life by M Hafizi Ariffin, PETRONAS Carigali Sdn. Bhd.

Session Managers: Mohd Fairuz Azman, PETRONAS; Ahmad Reizky Azhar, Rock Flow Dynamics; Andrea Rosa, Stone Ridge Technology

Carbonate reservoirs, with their complex pore systems, heterogeneous wettability, and variable fracture-matrix interactions, pose unique challenges for maximising hydrocarbon recovery. This session will explore the latest advancements and best practices in enhanced oil recovery (EOR), enhanced gas recovery (EGR), and fluids management tailored to carbonate settings. The discussion will cover the full spectrum—from EOR screening methodologies to technology implementation—highlighting practical lessons from global case studies. Topics will include CO₂ injection strategies that align with carbon storage objectives, EGR techniques for maximising gas and condensate recovery, chemical EOR deployment experiences in carbonate formations, and waterflood optimisation techniques supported by tracer studies for improved sweep efficiency.

By the end of this session, participants will:

• Understand key EOR and EGR screening criteria specific to carbonate reservoirs
• Explore about CO₂ injection strategies that simultaneously enhance oil & gas recovery and enable permanent CO₂ storage.
• Gain practical insights from global chemical EOR pilots in carbonate settings, including formulation design, scale-up challenges, performance results and operational challenges.
• Leverage advanced surveillance technique in optimising waterflood performance and improving sweep efficiency.
• Integrate EOR, EGR and fluids management strategies in maximising value and for sustainable reservoir development.

 

Discussion Leaders:

• Implementation of CO2 EOR in a Highly Heterogenous Carbonate Reservoir in Indonesia by Nader Ghadami, Computer Modelling Group Ltd.

Session Managers: Shodiq Rofieq, Computer Modelling Group Ltd; Nurul Aida M Agil, PETRONAS; Mohamad Kamal Hamdan, PTTEP; Wan Faisal Paino, PETRONAS

Carbon capture, utilisation and storage (CCUS) techniques have an essential role to play to reach the ambitious goals of net-zero carbon emission by 2050 in many countries around the world. This net-zero emission target offers unparalleled opportunities for the Oil and Gas sector with its decades of experience in sub-surface modelling.  Methods developed, deployed and proven in the O&G industry have been extended to CCUS projects and new approaches have been introduced and are being implemented.  

Feasibility studies for Carbon storage in Carbonate reservoirs includes assessment of storage and containment capacity, it’s injectivity and long-term storage security, which involves routine monitoring and surveillance.  Without clear regulations and policies, investors are unlikely to commit significant capital to CCS projects or may delay those already in development. Establishing robust international and local regulations, alongside addressing operational and financial challenges, is essential to ensuring that investors operators can effectively manage long-term capture, transport, and storage liability risks. This session aims to cover the extensive topics of CCS in Carbonates, from characterisation, modelling to case studies, regulations, policies and ESG.

Potential topics includes:

• Subsurface Screening and Site Characterisation for CCS
• Injectivity, Storage Capacity, and Sealing Mechanisms
• Monitoring, Measurement, and Verification (MMV) in Carbonates
• Case Studies: CCS Projects in Carbonate Reservoirs
• Regulatory Frameworks for CCS and Carbon Management
• Government Incentives, Compliance, and Risk Mitigation
• Integration of CCS in National Energy Strategies
• Petroleum Resources Management System (PRMS) and Application to Storage
• Subsurface Storage Classification and Reporting for CO₂
• Low-Carbon Development Planning for Carbonate Fields
• Integrating ESG Metrics into Carbonate Reservoir Management
• Emissions Monitoring and Carbon Accounting
• Decommissioning Strategy and Environmental Re-use

Discussion Leaders:

• Countdown To CCS - The Monitoring And Surveillance Of High CO2 Sarawak Offshore Field by Lufti Abbas Bidin, PETRONAS Carigali Sdn. Bhd.
• An Integrated Modelling Approach to Assess and Mitigate Hydrate Risk in Depleted Gas Reservoirs: CCS Case Study by Nur'ain Minggu, PETRONAS Carigali Sdn. Bhd.
• Carbon Sequestration in Carbonate Reservoirs: Integrating Geomechanics, Karst, and Subsidence by Shahrul Aida, PETRONAS
• Evaluation of Petrophysical Alterations in Carbonate Reservoir Rocks Due to CO₂ Injection: A Case Study from Field M Offshore Malaysia by Muhammad Zuhaili Kashim, PETRONAS

Session Managers: Nadiah Anasir, PETRONAS; Andrea Rosa, Stone Ridge Technology

New and emerging technologies of the future includes the possibility of using Carbonate structures deep in the ground to store hydrogen.  Hydrogen storage in carbonate reservoirs is a promising method for large-scale energy storage, particularly for balancing intermittent renewable energy sources. However, it's crucial to understand the potential interactions between hydrogen and the reservoir rock, as well as the impact of geochemical reactions and other factors on storage capacity and safety

In addition to hydrogen, new energy sources include Geothermal which is gaining traction in some parts of the region, where energy demand is exceeding what the fossil fuel sources can provide.  These Geothermal hotspots may include Carbonate structures, which still require geological and reservoir characterisation, in the context of geothermal energy extraction rather than hydrocarbon extraction.  The same workforce, which includes geophysicists, geologist, petroleum engineers are still required to perform studies for the carbonate geothermal sites.

In meeting the demand for the energy transition as well as energy expansion, a highly skilled workforce is required, equipped with attuned knowledge and AI driven workflow. Recognising this, a clear development path is needed to build the required human talent.

The workforce required must have a strong understanding of the subsurface uncertainties and risks, throughout the life-of-field and the energy trilemma.  The energy trilemma refers to the challenge of balancing three key, often conflicting, aspects of a sustainable energy system: energy security, affordability, and environmental sustainability. These three dimensions must be addressed simultaneously to achieve a resilient and effective energy system

This session will discuss among others, the emerging topics and also aspect of human development to meet the future demand of energy supply:

• Hydrogen Storage Potential in Carbonate Reservoirs
• Integration of Geothermal Energy in Carbonate Structures
• Talent and Capacity Development for the Future Workforce
• Managing Subsurface Uncertainty Across the Energy Trilemma

Discussion Leaders:

• The CO₂ Sentinel: A Novel Hybrid Physics–AI Framework Integrating RFSVM, PINNs, and Transient Diagnostics for Predictive Monitoring of CO₂ Plume Migration in Depleted Gas Carbonate Reservoirs by Salida Muhamad Baharum, Universiti Teknologi PETRONAS
• Designing for Eternity: Field T’s Subsurface Isolation Strategy to Withstand a Millennium of Pressure by Tang Lik Jin, Sarawak Shell Berhad
• Enhanced Resource Monetization through Artificial Intelligence (ERMAI): Advancing Petrophysical Products for the Future by Nur Athirah Md Dahlan, PETRONAS