Learning from Behavioral Frac Maps: A Montney Case Study in Integration of Modern Microseismic and Production Data Analyses
- Peyman Moradi (ESG Solutions) | Doug Angus (ESG Solutions) | Katie Jeziorski (ESG Solutions) | Amanda Greig (Encana) | Michael de Groot (Encana)
- Document ID
- Society of Petroleum Engineers
- SPE Canada Unconventional Resources Conference, 29 September - 2 October, Virtual
- Publication Date
- Document Type
- Conference Paper
- 2020. Society of Petroleum Engineers
- 5.6.9 Production Forecasting, 5.6 Formation Evaluation & Management, 5.2 Reservoir Fluid Dynamics, 2.4.1 Fracture design and containment, 5.6.3 Pressure Transient Analysis, 5 Reservoir Desciption & Dynamics, 1.10 Drilling Equipment, 1.12.3 Mud logging / Surface Measurements, 3 Production and Well Operations, 4.1 Processing Systems and Design, 1.10 Drilling Equipment, 4.1.2 Separation and Treating, 2 Well completion, 7.1.6 Field Development Optimization and Planning, 2.4 Hydraulic Fracturing, 5.8 Unconventional and Complex Reservoirs, 5.8.1 Tight Gas, 5.1.5 Geologic Modeling, 7 Management and Information, 1.12 Drilling Measurement, Data Acquisition and Automation, 3 Production and Well Operations, 7.1 Asset and Portfolio Management, 2.5.2 Fracturing Materials (Fluids, Proppant), 4 Facilities Design, Construction and Operation
- RTA, Fracturing, Microseismic, SRV, Montney Formation
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Aimed at sharing the unconventional wisdom gained from a hydraulic fracturing monitoring case study in the Montney tight gas play, the work showcases the ability of 4D modeling of collective behaviors of microseismic events to chase the frac fluid and navigate the spatiotemporal fracture evolution. Moreover, microseismicity-derived deformation fields are integrated with volumetric estimates made by rate transient analysis to calibrate spatially-constrained SRV models. Through the case study, we give evidence of fracture containment, evaluate the role of natural fractures and the use of diverting agents, estimate cluster efficiencies, conduct analytical well spacing optimization, model productivity decline induced by communication frac-hits from offsets, and provide contributing fracture dimensions and numerical production forecasts. To support the interpretations, we supplement the work by the results of 3D physics-based analytical modeling and multi-phase numerical simulations, and the findings are then validated using two extensive datasets: production profiles acquired by fiber optic DAS, and reservoir fluid fingerprints extracted from mud logs. Besides describing the evolution of seismicity during the treatment, the applied integrated fracture mapping process gives a more reliable and unique SRV structure that streamlines forward modeling and simulations in unconventional reservoirs as well as contributes to solving inverse problems more mechanistically.
|File Size||2 MB||Number of Pages||33|
Clarkson, C. R., Ghaderi, S. M., Kanfar, M. S., Iwuoha, C. S., Pedersen, P. K., Nightingale, M., Mayer, B. (2016). Estimation of fracture height growth in layered tight/shale gas reservoirs using flowback gas rates and compositions–Part II: Field application in a liquid-rich tight reservoir. Journal of Natural Gas Science and Engineering, 36, 1031-1049.
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