Structurally Complex Reservoirs
Author | : S. J. Jolley |
Publisher | : Geological Society of London |
Total Pages | : 508 |
Release | : 2007 |
Genre | : Nature |
ISBN | : 9781862392410 |
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Author | : S. J. Jolley |
Publisher | : Geological Society of London |
Total Pages | : 508 |
Release | : 2007 |
Genre | : Nature |
ISBN | : 9781862392410 |
Author | : S. J. Jolley |
Publisher | : Geological Society of London |
Total Pages | : 376 |
Release | : 2010 |
Genre | : Carbonate reservoirs |
ISBN | : 9781862393165 |
"Reservoir compartmentalization - the segregation of a petroleum accumulation into a number of individual fluid/pressure compartments - controls the volume of moveable oil or gas that might be connected to any given well drilled in a field, and consequently impacts 'booking' of reserves and operational profitability. This is a general feature of modern exploration and production portfolios, and has driven major developments in geoscience, engineering and related technology. Given that compartmentalization is a consequence of many factors, an integrated subsurface approach is required to better understand and predict compartmentalization behaviour, and to minimize the risk of it occurring unexpectedly. This volume reviews our current understanding and ability to model compartmentalization. It highlights the necessity for effective specialist discipline integration, and the value of learning from operational experience in: detection and monitoring of compartmentalization; stratigraphic and mixed-mode compartmentalization; and fault-dominated compartmentalization"--Page 4 of cover.
Author | : G.H. Spence |
Publisher | : Geological Society of London |
Total Pages | : 421 |
Release | : 2014-08-27 |
Genre | : Science |
ISBN | : 1862393559 |
Naturally fractured reservoirs constitute a substantial percentage of remaining hydrocarbon resources; they create exploration targets in otherwise impermeable rocks, including under-explored crystalline basement; and they can be used as geological stores for anthropogenic carbon dioxide. Their complex behaviour during production has traditionally proved difficult to predict, causing a large degree of uncertainty in reservoir development. The applied study of naturally fractured reservoirs seeks to constrain this uncertainty by developing new understanding, and is necessarily a broad, integrated, interdisciplinary topic. This book addresses some of the challenges and advances in knowledge, approaches, concepts, and methods used to characterize the interplay of rock matrix and fracture networks, relevant to fluid flow and hydrocarbon recovery. Topics include: describing, characterizing and identifying controls on fracture networks from outcrops, cores, geophysical data, digital and numerical models; geomechanical influences on reservoir behaviour; numerical modelling and simulation of fluid flow; and case studies of the exploration and development of carbonate, siliciclastic and metamorphic naturally fractured reservoirs.
Author | : M. P. Coward |
Publisher | : Geological Society of America |
Total Pages | : 284 |
Release | : 1998 |
Genre | : Nature |
ISBN | : |
The two main aims of this Special Publication are to capture the wide range of rapidly expanding research in this area, which reflects the increasing importance of comprehensive 'structural characterization' in static reservoir descriptions, and to help promote synergy between the geosciences and petroleum engineering disciplines. The first aim is addressed by the sixteen papers of the volume, the majority of which cover a range of structural geological features, particularly faulted and fractured reservoirs, fault gouge properties, fault seal potential and fluid flow/simulation modelling in faulted and fractured reservoirs. The papers draw heavily on experience obtained in the North Sea.
Author | : Abdalla Ali Abdelnabi |
Publisher | : |
Total Pages | : 67 |
Release | : 2017 |
Genre | : Sirte Basin (Libya) |
ISBN | : |
"Cambrian-Ordovician and Upper Cretaceous reservoir formations are found in the central western Sirte Basin, the main oil producing region in the Sirte Basin, Libya. As a result of changes in sedimentary environments and structural activities, a number of irregularities in reservoir continuity have developed, which negatively affected the overall performance of the reservoir. Effective simulation of such complex reservoirs can be achieved by integrating geophysical, geological, and petrophysical data to construct a reliable full-field static model, which has the potential to simulate the vertical and lateral variations in the reservoir formations. In this study, 2D and 3D seismic data acquired in the central western Sirte Basin are used to construct a fault and structural model which is an important component of the static model. The median filter and spectral whitening are applied to enhance the data quality and remove noise resulted from acquisition and processing effects. Spectel whitening is used to enhance the resolution of the data while mediam filter is used as noise filter. Coherence and curvature attributes are used to delineate faults and fracture zones. Coherence adequately detect major faults and minor faults. Most positive and most negative curvatures are used to define upthow and downthrow faults blocks. Curvatures attributes are also used to define fracture zones in reservoir formations. The most common fracture zone are identified in the northwest and southeast in the Cambrian-Ordovician reservoir formation in the study area. Well data are incorporated with core data to construct a property model that integrates a range of reservoir properties including facies, porosity, permeability, and net-to-gross ratio. A fine-scale geo-cellular model is created by integrating the fault, structural, and property models for the entire field"--Abstract, page iv.
Author | : M. P. Coward |
Publisher | : |
Total Pages | : 266 |
Release | : 1998 |
Genre | : Geology, Structural |
ISBN | : 9781786201003 |
The main aim of this volume is to capture the wide range of rapidly expanding research in this area, which reflects the increasing importance of comprehensive 'structural characterization' in static reservoir descriptions. This is addressed by the sixteen papers, the majority of which cover a range of structural geological features, particularly faulted and fractured reservoirs, fault gouge properties, fault seal potential and fluid flow/simulation modelling in faulted and fractured reservoirs. The papers draw heavily on experience obtained in the North Sea.
Author | : Zohreh Movahed |
Publisher | : Cambridge Scholars Publishing |
Total Pages | : 205 |
Release | : 2024-08-09 |
Genre | : Business & Economics |
ISBN | : 1036410005 |
In the complex field of carbonate reservoir evaluation, the intricate structural features present significant obstacles. This study tackles the essential task of structural delineation, with a particular focus on fractured reservoirs, and highlights the crucial influence of permeability on the performance of wells and reservoirs. The Oil Based Mud Micro-Imager - resistivity of invading zone (OBMI-Rxo) offers a high-resolution curve that is sensitive to fluid mobility near the borehole wall, although it is often underexploited by oil companies. Maintaining borehole stability after drilling is critical for ensuring the longevity of wells. This research introduces a holistic workflow that combines borehole imagery, petrophysical logs, the Modular Formation Dynamics Tester (MDT), Xpress Pressure Tool (XPT), and core samples for sophisticated formation evaluation in both carbonate fractured and clastic reservoirs. The study reveals new insights into reservoir structure, fracture detection, visualization of rock texture, and permeability distribution, thereby improving our understanding of well conditions in these challenging geological environments.
Author | : Satinder Chopra |
Publisher | : SEG Books |
Total Pages | : 474 |
Release | : 2007 |
Genre | : Science |
ISBN | : 1560801417 |
Introducing the physical basis, mathematical implementation, and geologic expression of modern volumetric attributes including coherence, dip/azimuth, curvature, amplitude gradients, seismic textures, and spectral decomposition, the authors demonstrate the importance of effective colour display and sensitivity to seismic acquisition and processing.
Author | : G. Jones |
Publisher | : Geological Society Publishing House |
Total Pages | : 358 |
Release | : 1998 |
Genre | : Nature |
ISBN | : |
Annotation "Compared with many other areas of the petroleum geosciences, studies of the structural controls on fluid flow in hydrocarbon reservoirs are in their infancy. As hydrocarbon reserves have become depleted and the oil industry has become more competitive, the need to cut costs by optimizing production and predicting the occurrence of subtle traps has highlighted the importance of information on the way in which faults and fractures affect fluid flow. Structural geologists are now having to provide answers to questions such as: Are hydrocarbons likely to have migrated into (or out of) the trap? What is the likely height of hydrocarbons that a fault can support? Is it likely that compartments which have not been produced exist within a field and will therefore require further drilling?" "This volume aims to find answers to these questions."--BOOK JACKET.Title Summary field provided by Blackwell North America, Inc. All Rights Reserved.
Author | : Adam Robinson |
Publisher | : Geological Society of London |
Total Pages | : 240 |
Release | : 2008 |
Genre | : Nature |
ISBN | : 9781862392663 |
The 3D geological model is still regarded as one of the newest and most innovative tools for reservoir management purposes. The computer modelling of structures, rock properties and fluid flow in hydrocarbon reservoirs has evolved from a specialist activity to part of the standard desktop toolkit. The application of these techniques has allowed all disciplines of the subsurface team to collaborate in a common workspace. In today's asset teams, the role of the geological model in hydrocarbon development planning is key and will be for some time ahead. The challenges that face the geologists and engineers will be to provide more seamless interaction between static and dynamic models. This interaction requires the development of conventional and unconventional modelling algorithms and methodologies in order to provide more risk-assessed scenarios, thus enabling geologists and engineers to better understand and capture inherent uncertainties at each aspect of the geological model's life.