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  • 1
    Description / Table of Contents: Fractured reservoirs contain a significant proportion of the global hydrocarbon reserves; however, they commonly exhibit unpredictable and extreme production behaviour. To develop such reservoirs it is necessary to obtain the best understanding possible of the fracture network and its impact on the fluid flow within the reservoir, using the full range of geoscience and engineering datasets available at all scales. This book presents an overview of current techniques and the latest technologies used to understand and exploit fractured reservoirs. The contributions are organized into sections on outcrop analogues, the application of geophysical techniques for fracture detection and imaging, numerical and analogue modelling and case studies from fields in the Middle East, Europe and North America. A number of the case studies also consider ways of assessing uncertainties in fracture geometry description and the implications for effective reservoir management.
    Pages: Online-Ressource (VI, 285 Seiten)
    ISBN: 9781862392137
    Language: English
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  • 2
    Unknown
    Oxford, London, Edinburgh, Boston, Melbourne, Palo Alto : Blackwell Scientific Publications
    Keywords: Variszische Faltungsära ; Atlantischer Raum Nord ; Historische Geologie
    Description / Table of Contents: Mainland Europe --- K. Weber: Variscan events: early Palaeozoic continental rift metamorphism and late Palaeozoic crustal shortening / Geological Society, London, Special Publications, 14:3-22, doi:10.1144/GSL.SP.1984.014.01.02 --- R. Meissner, M. Springer, and E. Flüh: Tectonics of the Variscides in North-Western Germany based on seismic reflection measurements / Geological Society, London, Special Publications, 14:23-32, doi:10.1144/GSL.SP.1984.014.01.03 --- Wolfgang Franke: Late events in the tectonic history of the Saxothuringian zone / Geological Society, London, Special Publications, 14:33-45, doi:10.1144/GSL.SP.1984.014.01.04 --- J. P. Burg, Ph. Matte, A. Leyreloup, and J. Marchand: Inverted metamorphic zonation and large-scale thrusting in the Variscan Belt: an example in the French Massif Central / Geological Society, London, Special Publications, 14:47-61, doi:10.1144/GSL.SP.1984.014.01.05 --- Jean-Michel Quenardel and Patrick Rolin: Palaeozoic evolution of the Plateau d’Aigurande (NW Massif Central, France) / Geological Society, London, Special Publications, 14:63-70, doi:10.1144/GSL.SP.1984.014.01.06 --- S. C. Matthews: Northern margins of the Variscides in the North Atlantic region: comments on the tectonic context of the problem / Geological Society, London, Special Publications, 14:71-85, doi:10.1144/GSL.SP.1984.014.01.07 --- Britain --- M. P. Coward and S. Smallwood: An interpretation of the Variscan tectonics of SW Britain / Geological Society, London, Special Publications, 14:89-102, doi:10.1144/GSL.SP.1984.014.01.08 --- B. E. Leveridge, M. T. Holder, and G. A. Day: Thrust nappe tectonics in the Devonian of south Cornwall and the western English Channel / Geological Society, London, Special Publications, 14:103-112, doi:10.1144/GSL.SP.1984.014.01.09 --- T. J. Chapman, R. L. Fry, and P. T. Heavey: A structural cross-section through SW Devon / Geological Society, London, Special Publications, 14:113-118, doi:10.1144/GSL.SP.1984.014.01.10 --- J. W. F. Edwards: Interpretations of seismic and gravity surveys over the eastern part of the Cornubian platform / Geological Society, London, Special Publications, 14:119-124, doi:10.1144/GSL.SP.1984.014.01.11 --- Robert M. Shackleton: Thin-skinned tectonics, basement control and the Variscan front / Geological Society, London, Special Publications, 14:125-129, doi:10.1144/GSL.SP.1984.014.01.12 --- Russell S. Arthurton: The Ribblesdale fold belt, NW England—a Dinantian-early Namurian dextral shear zone / Geological Society, London, Special Publications, 14:131-138, doi:10.1144/GSL.SP.1984.014.01.13 --- M. F. Critchley: Variscan tectonics of the Alston block, northern England / Geological Society, London, Special Publications, 14:139-146, doi:10.1144/GSL.SP.1984.014.01.14 --- Ireland --- David J. Sanderson: Structural variation across the northern margin of the Variscides in NW Europe / Geological Society, London, Special Publications, 14:149-165, doi:10.1144/GSL.SP.1984.014.01.15 --- M. A. Cooper, D. Collins, M. Ford, F. X. Murphy, and P. M. Trayner: Structural style, shortening estimates and the thrust front of the Irish Variscides / Geological Society, London, Special Publications, 14:167-175, doi:10.1144/GSL.SP.1984.014.01.16 --- M. D. Max and J. P. Lefort: Does the Variscan front in Ireland follow a dextral shear zone? / Geological Society, London, Special Publications, 14:177-183, doi:10.1144/GSL.SP.1984.014.01.17 --- D. W. Coller: Variscan structures in the Upper Palaeozoic rocks of west central Ireland / Geological Society, London, Special Publications, 14:185-194, doi:10.1144/GSL.SP.1984.014.01.18 --- North America --- N. Rast: The Alleghenian orogeny in eastern North America / Geological Society, London, Special Publications, 14:197-217, doi:10.1144/GSL.SP.1984.014.01.19 --- Jean-Pierre Lefort and Richard T. Haworth: Geophysical evidence for the extension of the Variscan front on to the Canadian continental margin: geodynamic and palaeogeographic consequences / Geological Society, London, Special Publications, 14:219-231, doi:10.1144/GSL.SP.1984.014.01.20 --- Sharon Mosher and Nicholas Rast: The deformation and metamorphism of Carboniferous rocks in Maritime Canada and New England / Geological Society, London, Special Publications, 14:233-243, doi:10.1144/GSL.SP.1984.014.01.21 --- R. P. Wintsch and J.-P. Lefort: A clockwise rotation of Variscan strain orientation in SE New England and regional implications / Geological Society, London, Special Publications, 14:245-251, doi:10.1144/GSL.SP.1984.014.01.22 --- J. A. Brewer: Clues to the deep structure of the European Variscides from crustal seismic profiling in North America / Geological Society, London, Special Publications, 14:253-263, doi:10.1144/GSL.SP.1984.014.01.23
    Pages: Online-Ressource (IX, 270 Seiten) , Illustrationen, Diagramme, Karten
    ISBN: 063201203X
    Language: English
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  • 3
    Electronic Resource
    Electronic Resource
    s.l. : American Chemical Society
    Energy & fuels 7 (1993), S. 910-918 
    ISSN: 1520-5029
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology , Energy, Environment Protection, Nuclear Power Engineering , Process Engineering, Biotechnology, Nutrition Technology
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    s.l. : American Chemical Society
    The @journal of physical chemistry 〈Washington, DC〉 97 (1993), S. 13380-13386 
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology , Physics
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Bradford : Emerald
    British food journal 97 (1995), S. 32-35 
    ISSN: 0007-070X
    Source: Emerald Fulltext Archive Database 1994-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Irradiation is an effective means of increasing a food'smicrobiological safety. However, it has not been widely adopted in theUK as a routine process. The major stumbling block is consumerresistance. Tests the hypothesis that this may be due to radiophobia(fear of irradiation). Perceptions of irradiation, gauged by means ofquestionnaire, showed a low awareness of irradiation and the treatmentinvolved. In those aware of irradiation, radiophobia was apparent,demonstrated by both fear of radioactivity and worries of potentialdetrimental health effects after consuming irradiated foods. However,younger consumers appeared to be less radiophobic than older consumers.Consumers are generally unaware of process benefits. This demonstrates aneed for education, if food irradiation is to be accepted on a routinebasis.
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Bradford : Emerald
    British food journal 97 (1995), S. 29-30 
    ISSN: 0007-070X
    Source: Emerald Fulltext Archive Database 1994-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Demand for gourmet foods, from around the globe, is increasing.However, owing to high perishability many of these products requirepreservation if they are to arrive in a safe and unspoilt condition. Thesensory effects of such treatments range from relatively minor, forexample those produced on freezing, to major, such as the effects ofbrining. Irradiation, although not as yet widely accepted, provides analternative means of preservation. Examines irradiation of langoustineand subsequent effects on sensory acceptability. Finds that irradiatedflavours and textures were preferred over those of the fresh productirrespective of whether or not the consumers were informed that thelangoustine had been irradiated. Concludes that if enhanced sensoryquality can conclusively be demonstrated to, and accepted by, thegourmet market, the future of irradiation will be brighter.
    Type of Medium: Electronic Resource
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  • 7
    ISSN: 1440-1738
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Geosciences
    Notes: Abstract  The Korean peninsula is widely regarded as being located at the relatively stable eastern margin of the Asian continent. However, more than 10 Quaternary faults have recently been discovered in and reported from the southeastern part of the Korean Peninsula. One of these, the Eupchon Fault, was discovered during the construction of a primary school, and it is located close to a nuclear power plant. To understand the nature and characteristics of the Quaternary Eupchon Fault, we carried out two trench surveys near the discovery site. The fault system includes one main reverse fault (N20°E/40°SE) with approximately 4 m displacement, and a series of branch faults, cutting unconsolidated Quaternary sediments. Structures in the fault system include synthetic and antithetic faults, hanging-wall anticlines, drag folds, back thrusts, pop-up structures, flat-ramp geometries and duplexes, which are very similar to those seen in thrust systems in consolidated rocks. In the upper part of the fault system, several tip damage zones are observed, indicating that the fault system propagates upward and terminates in the upper part of the section. Pebbles along the main fault plane show a preferred orientation of long axes, indicating the fault trace. The unconformity surface between the Quaternary deposits and the underlying Tertiary andesites or Cretaceous sedimentary rocks is displaced by this fault with a reverse movement sense. The stratigraphic relationship shows normal slip sense at the lower part of the section, indicating that the fault had a normal slip movement and was reversely reactivated during the Quaternary. The inferred length of the Quaternary thrust fault, based on the relationship between fault length and displacement, is 200–2000 m. The current maximum horizontal compressive stress direction in this area is generally east-northeast–west-southwest, which would be expected to produce oblique slip on the Eupchon Fault, with reverse and right-lateral strike-slip components.
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Melbourne, Australia : Blackwell Science Pty
    The @island arc 13 (2004), S. 0 
    ISSN: 1440-1738
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Geosciences
    Notes: Abstract  Several differently scaled strike-slip faults were examined. The faults shared many geometric features, such as secondary fractures and linkage structures (damage zones). Differences in fault style were not related to specific scale ranges. However, it was recognized that differences in style may occur in different tectonic settings (e.g. dilational/contractional relays or wall/linkage/tip zones), different locations along the master fault or different fault evolution stages. Fractal dimensions were compared for two faults (Gozo and San Andreas), which supports the idea of self-similarity. Fractal dimensions for traces of faults and fractures of damage zones were higher (D ∼1.35) than for the main fault traces (D ∼1.005) because of increased complexity due to secondary faults and fractures. Based on the statistical analysis of another fault evolution study, single event movements in earthquake faults typically have a maximum earthquake slip : rupture length ratio of approximately 10−4, although this has only been established for large earthquake faults because of limited data. Most geological faults have a much higher maximum cumulative displacement : fault length ratio; that is, approximately 10−2 to 10−1 (e.g. Gozo, ∼10−2; San Andreas, ∼10−1). The final cumulative displacement on a fault is produced by accumulation of slip along ruptures. Hence, using the available information from earthquake faults, such as earthquake slip, recurrence interval, maximum cumulative displacement and fault length, the approximate age of active faults can be estimated. The lower limit of estimated active fault age is expressed with maximum cumulative displacement, earthquake slip and recurrence interval as T ≅ (dmax /u) · I(M).
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Geophysical journal international 125 (1996), S. 0 
    ISSN: 1365-246X
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Geosciences
    Notes: The effects of stress on the 2-D permeability tensor of natural fracture networks were studied using a numerical method (Universal Distinct Element Code). On the basis of three natural fracture networks sampled around Dounreay, Scotland, numerical modelling was carried out to examine the fluid flow in relation to the variations in burial depth, differential stress and loading direction. It was demonstrated that the permeability of all the networks decreased with depth due to the closure of aperture. The permeability approached the minimum value at some depth below which little further variation occurred. Also, differential stress had a significant effect on both the magnitude and direction of permeability. The permeability generally decreased with increasing major horizontal stress for a fixed minor horizontal stress, but the various networks considered showed different behaviours. A factor, termed the average deviation angle of maximum permeability (Am), was defined to describe quantitatively the deviation degree of the direction of the major permeability component from the applied major stress direction. For networks whose behaviour is controlled by set(s) of systematic fractures, Am is significantly greater than zero, whereas those comprised of non-systematic fractures have Am close to zero. In general, fractured rock masses, especially those with one or more sets of systematic fractures, cannot be treated as equivalent porous media. Specification of the geometry of the network is a necessary, but not sufficient, condition for models of fluid flow. Knowledge of the in situ stress, and the deformation it induces, is necessary to predict the behaviour of the rock mass.
    Type of Medium: Electronic Resource
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  • 10
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SirIn a News item (Nature 392, 743–744; 1998), you discuss the role of scientists in the management of the Montserrat volcano crisis, on the basis of the verbal presentation of an unpublished study at a meeting. ...
    Type of Medium: Electronic Resource
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