Three-Dimensional Structural Modeling (3D SM) and Joint Geophysical Characterization (JGC) of Hydrocarbon Reservoir
نویسندگان
چکیده
A complex structural geology generally leads to significant consequences for hydrocarbon reservoir exploration. Despite many existing wells in the Kadanwari field, Middle Indus Basin (MIB), Pakistan, depositional environment of early Cretaceous stratigraphic sequence is still poorly understood, and this has implications regional as well economic significance. To improve our understanding heterogeneous reservoirs their associated 3D architecture, spatial distribution facies properties, prospects, a new methodology three-dimensional modeling (3D SM) joint geophysical characterization (JGC) introduced research using seismic logs data. SM reveals that field question experienced multiple stages deformation dominated by an NW SW normal fault system, high relief horsts, half-graben graben structures. Moreover, system models (FSMs) show middle part underwent greater compared areas surrounding major faults, with predominant one oriented S30°–45° E N25°–35° W; azimuth at 148°–170° 318°–345°; minimum (28°), mean (62°), maximum (90°) dip angles. The applied variance edge attribute better portrays inconsistencies data faulting, validating interpretation. amplitude loss frequency anomalies sweetness root square (RMS) attributes indicate gas-saturated sand. In contrast, relatively low-amplitude high-frequency sandy shale, pro-delta facies. petrophysical results sand interval exhibits effective porosity (∅eff) saturation (Shc) G interval. average properties we identified, such volume shale (Vshale), (∅avg), ∅eff, water (SW), Shc interval, were 30.5%, 17.4%, 12.2%, 33.2% and, 70.01%, respectively. findings study can help understand reservoir’s characteristics, facies, reliable characterization.
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ژورنال
عنوان ژورنال: Minerals
سال: 2022
ISSN: ['2075-163X']
DOI: https://doi.org/10.3390/min12030363