By L. Lonergan, R. J. H. Jolly, K. Rawnsley, D. J. Sanderson

Fractured reservoirs include an important percentage of the worldwide hydrocarbon reserves; despite the fact that, they in most cases express unpredictable and severe creation behaviour. To strengthen such reservoirs it's important to acquire the simplest knowing attainable of the fracture community and its impression at the fluid circulation in the reservoir, utilizing the total variety of geoscience and engineering datasets on hand in any respect scales. This e-book offers an summary of present ideas and the most recent applied sciences used to appreciate and make the most fractured reservoirs. The contributions are equipped into sections on outcrop analogues, the applying of geophysical thoughts for fracture detection and imaging, numerical and analogue modelling and case experiences from fields within the center East, Europe and North the US. a few of the case reviews additionally ponder methods of assessing uncertainties in fracture geometry description and the results for powerful reservoir management.Also on hand: Geometry and Petrogenesis of Dolomite Hydrocarbon Reservoirs - ISBN 1862391661 The Initiation, Propagation, And Arrests of Joints And different Fractures - ISBN 1862391653 Fracture And In-situ rigidity Characterisation of Hydrocarbon Reservoirs - ISBN1862391300

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In particular, the understanding of fracture formation and lateral distribution of fracture intensity of the different fracture sets, achieved in this study, has been used during the fracture modelling. Whenever available, hard well data from the actual hydrocarbon fields have been regarded as the primary and most important data source. The outcrop data have been used to guide the modelling only as a secondary, supporting supply of information. Our outcrop analogues are mainly relevant for the definition of parameters for inclusion in simulations of discrete fracture network (DFN) modelling (Cacas et al.

2000). This component of the stress field can explain the formation of the T2 and T 4 tensional fractures normal to the axis of the Bibi Hakimeh Anticline and the conjugate R1-R4 shear fractures. O r t h o g o n a l flexure f o l d i n g - folding of relatively stiff layers like the Asmari and Bangestan carbonates may cause extension in the outer arc above the neutral surface. This component of the stress field can explain the formation of the T~ and T3 fracture sets, which are parallel to the axis of the anticline and normal to the bedding, and which have their highest FI in the crest area.

HASSANI, H. 2002. Structural observations from Kuh-e Meymand (Naura) and Kuh-e Sefidar, Northern Fars, Zagros, Iran. Cambridge Arctic Shelf Programme (CASP) report, Zagros Series, Report 3. JACKSON,J. 1980. Reactivation of basement faults and crustal shortening in orogenic belts. Nature, 282, 343 -346. JACKSON, J. & FITCH, T. 1981. Basement faulting and the focal depths of the larger earthquakes in the Zagros Mountains (Iran). Geophysical Journal of the Royal Astronomical Society, 64, 561-586.

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