Characterization Prediction And Modelling Of The Crustal Present Day In Situ Stresses
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Characterization Prediction And Modelling Of The Crustal Present Day In Situ Stresses
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Author : R. Goteti
language : en
Publisher: Geological Society of London
Release Date : 2024-08-01
Characterization Prediction And Modelling Of The Crustal Present Day In Situ Stresses written by R. Goteti and has been published by Geological Society of London this book supported file pdf, txt, epub, kindle and other format this book has been release on 2024-08-01 with Science categories.
Geomechanics has a marked impact on the safe and sustainable use of the subsurface. Along with an ongoing demand for hydrocarbon resources there is also a growing emphasis on sustainable subsurface exploitation and development, storage of carbon, hydrogen, energy and (radioactive) waste, as well as sustainable geothermal resource utilization. Such activities are accompanied by an ever-increasing need for higher resolution, fit-for-purpose solutions, workflows and approaches to constrain present-day subsurface stresses and minimize associated uncertainties. Building high fidelity geomechanical-numerical models provides critical input and understanding for diverse engineering designs and construction as well as geoscience applications. Such models greatly contribute towards uncertainty reduction, risk management and risk mitigation during the operational life of a given subsurface development and associated infrastructures (both on and below the surface). This Special Publication contains contributions detailing the latest efforts and perspectives in present-day in-situ stress characterization, prediction and modelling from the borehole to plate-tectonic scale. There is particular emphasis on the uncertainties that are often associated with data and models.
3d Multi Scale Finite Element Analysis Of The Present Day Crustal State Of Stress And The Recent Kinematic Behaviour Of The Northern And Central Upper Rhine Graben
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Author : Thies Buchmann
language : en
Publisher: Logos Verlag Berlin GmbH
Release Date : 2008
3d Multi Scale Finite Element Analysis Of The Present Day Crustal State Of Stress And The Recent Kinematic Behaviour Of The Northern And Central Upper Rhine Graben written by Thies Buchmann and has been published by Logos Verlag Berlin GmbH this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008 with Science categories.
This thesis focuses on the contemporary stress state of a continental rift structure, the Upper Rhine Graben, and its present-day reactivation and kinematic behaviour. The graben is currently characterised by relatively slow tectonic deformation accompanied by low to medium seismicity and ongoing subsidence. In this context, the reactivation potential of pre-existing faults associated with the graben structure is one of the main goals of this thesis. Three dimensional finite element modelling is used for simulating the stress state of the study area. Based on the evaluation of the fault reactivation potential, a possible contribution of mechanical earth modelling to earthquake hazard assessment is also investigated. Another task of this thesis is the development of a method and work process for the construction of complex model geometries based on the different data types available. In order to establish a procedure that is independent of local computing and software facilities, the work-flow used is predominantly based on commercial software packages. A brief introduction is given on crustal stresses, their definition, determination and classification. Two approaches of shear failure reactivation evaluation, independent of the rheological parameter of fault surfaces, are discussed. In addition, a summary of the finite element method is given. This includes the influence of mesh quality and the implementation of contact problems as well as the ABAQUS implementation of the material models used (elasticity and elasto-plasticity). The thesis also refers to the approach of multi-scale modelling, nesting or sub-modelling using ABAQUS. The consequences of this approach on the boundary conditions and the model geometries are discussed.
Advances In The Study Of Natural Fractures In Deep And Unconventional Reservoirs
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Author : Lei Gong
language : en
Publisher: Frontiers Media SA
Release Date : 2023-05-08
Advances In The Study Of Natural Fractures In Deep And Unconventional Reservoirs written by Lei Gong and has been published by Frontiers Media SA this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-05-08 with Science categories.
Fracture And In Situ Stress Characterization Of Hydrocarbon Reservoirs
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Author : Geological Society of London
language : en
Publisher: Geological Society of London
Release Date : 2003
Fracture And In Situ Stress Characterization Of Hydrocarbon Reservoirs written by Geological Society of London and has been published by Geological Society of London this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003 with Nature categories.
Structural Dynamics Volume 3
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Author : Tom Proulx
language : en
Publisher: Springer Science & Business Media
Release Date : 2011-06-10
Structural Dynamics Volume 3 written by Tom Proulx and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-06-10 with Technology & Engineering categories.
This the fifth volume of five from the 28th IMAC on Structural Dynamics and Renewable Energy, 2010,, brings together 146 chapters on Structural Dynamics. It presents early findings from experimental and computational investigations of on a wide range of area within Structural Dynamics, including studies such as Simulation and Validation of ODS Measurements made Using a Continuous SLDV Method on a Beam Excited by a Pseudo Random Signal, Comparison of Image Based, Laser, and Accelerometer Measurements, Modal Parameter Estimation Using Acoustic Modal Analysis, Mitigation of Vortex-induced Vibrations in Long-span Bridges, and Vibration and Acoustic Analysis of Brake Pads for Quality Control.
Advances In Geomechanics Research And Application For Deep Unconventional Reservoirs
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Author : Peng Tan
language : en
Publisher: Frontiers Media SA
Release Date : 2024-11-11
Advances In Geomechanics Research And Application For Deep Unconventional Reservoirs written by Peng Tan and has been published by Frontiers Media SA this book supported file pdf, txt, epub, kindle and other format this book has been release on 2024-11-11 with Technology & Engineering categories.
Deep unconventional oil and gas reservoirs (such as shale oil/gas, tight oil/gas, coalbed methane (CBM), oil shale, etc.) are commonly characterized by geological and structural complexity, increased formation temperature and pressure, and complex in-situ stress fields. Geomechanics research is helpful to understand the in-situ stress of complex structures, faults and natural fracture systems in deep blocks. Field practice shows that insufficient geomechanics understanding can easily result in low drilling efficiency, long construction period, frequent occurrence of complex situations, and unsatisfactory fracturing effects. In recent years, geomechanics applied to drilling, completion, hydraulic fracturing, and production in unconventional reservoirs has achieved great progress, producing various advanced experimental and numerical approaches and applications. However, as the buried depth increases, the complicated geology conditions make it more and more difficult for the engineering reconstructions, which poses a great threat to the efficient development of deep resources. New knowledge and understandings of geomechanics are urgently needed to guide the development of unconventional oil/gas reservoirs, and the related theory, experiment and simulation studies are rapidly developing.
Differences In Shale Oil And Gas Reservoirs Across Various Sedimentary Environments Theories And Applications
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Author : Hu Li
language : en
Publisher: Frontiers Media SA
Release Date : 2024-11-21
Differences In Shale Oil And Gas Reservoirs Across Various Sedimentary Environments Theories And Applications written by Hu Li and has been published by Frontiers Media SA this book supported file pdf, txt, epub, kindle and other format this book has been release on 2024-11-21 with Science categories.
The remarkable success of shale oil and gas production in North America has sparked worldwide interest in its significance. Notably, substantial shale oil and gas reserves have been discovered in China’s Cambrian and Ordovician-Silurian shales, which serve as the primary sources of production. Across the Asian continent, other shale plays exist, with several countries such as India, Saudi Arabia, and Pakistan actively pursuing development plans to identify additional resources. Globally, exploration and development of shale oil and gas in marine-continental transitional and terrestrial formations have resulted in significant breakthroughs, leading to the development of a host of geological theories and technologies for shale oil and gas extraction. With the availability of sophisticated exploration, drilling, logging, and advanced analysis and testing tools, in-depth investigation can be conducted on various aspects of shale formations, including the organic matter enrichment mechanism, sedimentation sequence, reservoir formation, oil and gas generation, drilling, and development. Additionally, the coexistence of similarities and differences in the characteristics of shale reservoirs formed in different sedimentary environments will undoubtedly impact the exploration and development of shale oil and gas.
Deep Rock Mass Engineering Excavation Monitoring And Control
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Author : Zhiqiang Yin
language : en
Publisher: Frontiers Media SA
Release Date : 2022-11-14
Deep Rock Mass Engineering Excavation Monitoring And Control written by Zhiqiang Yin and has been published by Frontiers Media SA this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-11-14 with Science categories.
Stress Field Of The Earth S Crust
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Author : Arno Zang
language : en
Publisher: Springer Science & Business Media
Release Date : 2009-12-06
Stress Field Of The Earth S Crust written by Arno Zang and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009-12-06 with Science categories.
Stress Field of the Earth’s Crust is based on lecture notes prepared for a course offered to graduate students in the Earth sciences and engineering at University of Potsdam. In my opinion, it will undoubtedly also become a standard reference book on the desk of most scientists working with rocks, such as geophysicists, structural geologists, rock mechanics experts, as well as geotechnical and petroleum en- neers. That is because this book is concerned with what is probably the most pe- liar characteristic of rock – its initial stress condition. Rock is always under a natural state of stress, primarily a result of the gravitational and tectonic forces to which it is subjected. Crustal stresses can vary regionally and locally and can reach in places considerable magnitudes, leading to natural or man-made mechanical failure. P- existing stress distinguishes rock from most other materials and is at the core of the discipline of “Rock Mechanics”, which has been developed over the last century. Knowledge of rock stress is fundamental to understanding faulting mechanisms and earthquake triggering, to designing stable underground caverns and prod- tive oil fields, and to improving mining methods and geothermal energy extraction, among others. Several books have been written on the subject, but none has atte- ted to be as all-encompassing as the one by Zang and Stephansson.
The Middle And Late Jurassic Intrashelf Basin Of The Eastern Arabian Peninsula
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Author : A.O. Wilson
language : en
Publisher: Geological Society of London
Release Date : 2020-12-04
The Middle And Late Jurassic Intrashelf Basin Of The Eastern Arabian Peninsula written by A.O. Wilson and has been published by Geological Society of London this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-12-04 with Science categories.
This memoir provides a thorough review of the geology of the rimmed Arabian Intrashelf Basin, reconciling differing interpretations of lithostratigraphy, sequence stratigraphy and biostratigraphy. Variation of energy levels and facies due to its setting in the SE palaeotradewind belt are described. The roles subtle tectonism played in developing the basin and in the Late Jurassic creating restriction by uplift and exposure of the Tethys shelf are evaluated. The intrashelf basin formed during rising sea level as a single rimmed carbonate intrashelf basin. A possible global cooling phase resulted in a lowstand which restricted the basin, resulting in petrographically unique carbonate source rock facies dominated by cyanobacterial deposition. Two subsequent 3rd order carbonate sequences largely filled the basin. Eustatic change concomitant with uplift of the Tethys shelf resulted in alternation of carbonates and evaporites (gypsum-anhydrite) across the region. The end result was a sealed intrashelf basin which preserved early-formed porosity and confined generated hydrocarbons within the intrashelf basin facies.