Integrated Fracture Characterization and Modeling in North Kuwait Carbonate Reservoirs
- Pascal Richard (Shell Global Solutions International BV) | Sadok Lamine (Shell Global Solutions International BV) | Chinmaya Pattnaik (Kuwait Oil Company) | Neama Al Ajmi (Kuwait Oil Company) | Vijay Kidambi (Kuwait Oil Company) | Rao Narhari (Kuwait Oil Company) | Xavier LeVarlet (Shell Kuwait Exploration And Production BV) | Peter Swaby (Swaby Software Limited) | Qasem Dashti (Kuwait Oil Company)
- Document ID
- Society of Petroleum Engineers
- SPE Abu Dhabi International Petroleum Exhibition & Conference, 13-16 November , Abu Dhabi, UAE
- Publication Date
- Document Type
- Conference Paper
- 2017. Society of Petroleum Engineers
- 7.2 Risk Management and Decision-Making, 5.8.7 Carbonate Reservoir, 5.1 Reservoir Characterisation, 1.6 Drilling Operations, 4.3.4 Scale, 7 Management and Information, 1.6.9 Coring, Fishing, 5.5 Reservoir Simulation, 5.8 Unconventional and Complex Reservoirs, 5.6 Formation Evaluation & Management, 5.5.8 History Matching, 7.2.1 Risk, Uncertainty and Risk Assessment, 5 Reservoir Desciption & Dynamics, 1.6.6 Directional Drilling, 5.6.3 Pressure Transient Testing
- Fracture porosity, Fracture permeability, Fractured reservoir, DFN, Pressure transient Analysis
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The North Kuwait Carbonate (NKJG) reservoirs are currently under development by KOC (Kuwait Oil Company). The appraisal and development of the NKJG offer challenges such as lateral variations in reservoir quality, tight to very tight reservoirs and natural fracturing to a varying degree spatially. The presence of open, connected fractures is one of the key elements to achieve a successful development. Also, the presence of fracture corridors increase the risk associated with drilling. Numerous fracture modelling studies have been supporting both appraisal and development strategies of the fields.
A structural evolution model has been developed based on field observations and linked to the regional phases of deformations. Detailed fracture characterization using static BHI (bore hole images) and core data as well as dynamic data has been achieved. Small scale detailed DFN (Discrete Fracture Network) in support of planning and drilling activities of future appraisal wells has been carried out. Full field DFN in support to production history matching and forecast has been completed. The core and pressure transient analysis data have been used to calibrate the permeability and porosity of the DFN property ahead of the dynamic simulation work.
This paper illustrates some examples of best practices of the various study components with a focus on core to BHI calibration, fracture porosity calibration using core data and calibration of DFN models using pressure transient analysis data.
|File Size||10 MB||Number of Pages||35|
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