Full 3D Reservoir Mapping Using Deep Directional Resistivity Measurements
- Michael Thiel (Schlumberger) | Dzevat Omeragic (Schlumberger)
- Document ID
- Society of Petroleum Engineers
- SPE Annual Technical Conference and Exhibition, 26-29 October, Virtual
- Publication Date
- Document Type
- Conference Paper
- 2020. Society of Petroleum Engineers
- 1.6.7 Geosteering / Reservoir Navigation, 1.12.2 Logging While Drilling, 1.12 Drilling Measurement, Data Acquisition and Automation, 4.3.4 Scale
- Reservoir Mapping, Logging While Drilling, Deep Directional Resistivity, Reservoir Characterization
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Deep directional resistivity logging-while-drilling technology and its measurement processing are instrumental in strategic well placement, landing, geosteering, and reservoir understanding. However, since the measurements are truly at the reservoir scale, reservoir complexities limit the applicability of 1D and sometimes even 2D interpretation models and inversions. A new full-3D imaging inversion is introduced to accurately map reservoir sections where 1D and 2D models are not adequate to represent the reservoir. The imaging inversion uses a 3D EM simulator and accounts for both resistivity and resistivity anisotropy and is fully consistent with the 1D and 2D inversion results in sections of lower complexity. The inversion is validated with a realistic 3D reservoir model and applied to field datasets from the North Sea, revealing complex 3D detail consistent with all the data.
|File Size||1 MB||Number of Pages||13|
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