Borehole Image Three-dimensional Visualization and Interpretation in SVS Fracture Solutions
Pascal Richard, Livio de Pieri, 2010. "Borehole Image Three-dimensional Visualization and Interpretation in SVS Fracture Solutions", Dipmeter and Borehole Image Log Technology, M. Pöppelreiter, C. García-Carballido, M. Kraaijveld
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Borehole image (BHI) data are an essential pillar of detailed fracture characterization. The BHI is routinely interpreted in detail for structural (faults and fractures) and sedimentological (bedding, surfaces, facies) features on a well-by-well basis, with the support of open-hole logs and core photos. These interpretations focus on the well-scale structures and are commonly somehow detached from the larger, field-scale structures. The integration of borehole images with all subsurface data (e.g., seismic, well test, production data, reservoir properties from static model, etc.) is an important step to extract the most from the valuable data. This integration as well as a high-level three-dimensional interpretation is now easily achievable in SVS Fracture Solutions. This chapter illustrates the functionalities, which have been recently developed thanks to a collaborative effort between Petroleum Development Oman and Shell's Carbonate Development Team in Rijswijk, Netherlands.
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Borehole imaging is among the fastest and most accurate methods for collecting high resolution subsurface data. Recent breakthroughs in acquisition, tool design, and modeling software provide real-time subsurface images of incredible detail, from the drill bit straight to a workstation. Associated interpretation workflows offer the high level of detail that is needed to make operational decision and to increase the predictability of subsurface models. Many exploration and production companies have acquired a wealth of dipmeter and image log data. The data are readily available and provide, for example the orientation of fractures and fluvial channels in space. Further applications of borehole imaging technology include matrix and fracture characterization, pore-type partitioning, geosteering, and in-situ stress determination. Exciting new applications are found in enhanced oil recovery, carbon dioxide sequestration, and geothermal projects. In addition, borehole image data are paramount to unlocking unconventional plays such as shale gas and coal-bed methane. AAPG Memoir 92 portrays key applications of dipmeter and image log data across the exploration and production life cycle. (Continued)