Hsistem 2015 summer institute geology fracking resources. Understanding and managing these resources requires a unique understanding about the geology, geophysics, rock physics, and rock mechanics of each reservoir in a seamless interdisciplinary approach. Summary in the last four years, shale oil and gas play exploration activity in the vaca muerta formation, neuquen basin, argentina. Mechanical properties of shale gas reservoir rocks and its. Shale makes up about threefourths of drilled formations. Director of the stanford rock physics laboratory andprofessor of geophysics phone.
Fracking hydraulic fracturing books, films, and other resources search this guide search. Geomechanics of gas shales fundamentals of gas shale. Petroleum rock mechanics introduces the fundamentals of solid mechanics and applies them to oil and gas related drilling and well operation and completion problems. Shale failure mechanics and intervention measures in. Lecture 20 is on the topic of managing the risk of triggered and induced seismicity. The integrated approach to understanding shale prospectivity. Advances in theories, methods and applications for shale resource use. The book is a key reference that is useful for researchers, the oil and gas industry, and policymakers in gas producing and prospective countries. Drilling operations and well design covers the fundamentals of solid mechanics and petroleum rock mechanics and their application to oil and gas related drilling operations and well design. While some complain that extracting natural gas from shale rock formations is tainting their water supply, others who have allowed drilling on. Wellbore stability in oil and gas drilling with chemical. Unconventional reservoir geomechanics shale gas tight oil and. This book provides a comprehensive overview of the key geologic.
Updated with new chapters on operations surrounding shale oil, shale gas, and hydraulic fracturing, and with new sections on in. Decades ago, natural gas occurrence was noted during drilling through the naturally fractured black shales of appalachia ohio shale, marcellus shale, utica shale charpentier et al. The method and theory do not require further rock mechanics parameters. The complex nature of the shale gas reservoirs is multifaceted, including total organic carbon toc, mineralogy and lithology, pore and throat geometry, texture, anisotropy and heterogeneity, natural fracture network, rock mechanical property heterogeneities and insitu stress distributions, faultskarsts and structure impact, and production. This book details the analytical processes involved and the interpretation of the data generated to present comprehensive source rock evaluation of organicrich shales. The brittleness indices used in rock mechanics and their. This course will help you understand the fundamentals of geomechanics and its applications to conventional and unconventional reservoirs csg and shale gas which will enable better field development. Our rock mechanics laboratory has specialised capability to. Applied geoscience in shale exploration and production.
Numerous and frequentlyupdated resource results are available from this search. The contributions cover almost all aspects of rock mechanics and rock engineering from theories to. Waterbased fracturing fluids are used for gas shale stimulations. The basic suite of core tests recommended by this work includes. Alberto minardi, alessio ferrari, russell ewy and lyesse laloui, nonlinear elastic response of partially saturated gas shales in uniaxial compression, rock mechanics and rock engineering, 10.
Since the year 2000, unconventional shale plays have contributed greatly to the global oil and gas supply, particularly in the united states. It is also the subject of increased interest because of the growing contribution of shale oil and gas to energy supplies, as well as the potential use of shale formations for carbon dioxide sequestration and nuclear waste storage. Rock units such as the bakken shale of north dakota and the niobrara shale of colorado, kansas, nebraska and wyoming are now yielding significant amounts of oil from hydraulic fracturing. Although it can happen naturally, it is now used as a method to force oil and natural gas from shale history and method. Speech by xto president jack williams, exxonmobil website, june 14, 2011. John shale in a series of triaxial laboratory experiments. This interdisciplinary book encompasses the fields of rock mechanics. Shale gas development in the united states shale formations across the u. Doi link for rock mechanics for resources, energy and environment.
Carbonate minerals, clay minerals, and quartz are the main minerals found in shale gas reservoirs. Crack band approach to model 3d hydraulic fracturing of. Advances in theories, methods and applications for shale resource use shale is the dominant rock in the sedimentary record. Lectures 18 and 19 are on topics related to geomechanical issues affecting shale gas and tight oil recovery. Read petroleum rock mechanics online by bernt aadnoy and reza. Even though the engineering properties of shale have been studied for several decades, shale engineering is still prone to unexpected instabilities and delays, representing a serious problem for the petroleum, mining and civil engineering industry. The main difference between tight gas and shale gas, however, is that tight gas can be found in low permeability sedimentary rocks, such as sandstones, while shale gas rocks are usually impermeable 2 royal dutch shell plc. Shale gas is a potentially huge resource of unconventional gas resources, with mining technology for high, mining, long life, stable long cycle characteristics. Page professor of geophysics at stanford university, california.
These two specialists base their treatise on lots of practical experience with drilling in shale formations. This 2day course will enable participants to relate the principles of geomechanics to drilling and completing shale gas wells. A water impoundment at a drill pad in the fayetteville shale gas play of arkansas. Reliable information about the coronavirus covid19 is available from the world health organization current situation, international travel. Integrated shale gas reservoir modeling uncertainty. Shale gas exploration and production key issues and. Lee, 20, quantitative evaluation of completion techniques on influencing shale. Lectures on rock mechanicslectures on rock mechanics. Co2 and n2 injection to enhance shale gas recovery penn. See more ideas about engineering, books and petroleum engineering.
Read unlimited books and audiobooks on the web, ipad, iphone and android. Geomechanics for conventional and unconventional resources. Critical geomechanics concepts for hydraulic fracturing. The color of shale can give a rudimentary visual indication to the strength of the rock, as it is generally noted that the lighter the color, the weaker the shale molinda 2003. In shale gas exploration, one of the most slippery attributes we are interested in is fracability. This course can help understand the essential aspects of geomechanics in unconventional resource plays enabling an engineer or geoscientist to make better field development decisions. Rock mechanics for resources, energy and environment. The critical taper model is a simple means of determining whether basic rock. Shale is the dominant rock in the sedimentary record. The authors define leaching as a flowback fluid generation related to the shale processing. Mechanics and mechanisms is an authoritative monograph written by m. Discover the best hydraulic fracturing books and audiobooks. Subsurface science and engineering agu publications.
The integrated approach to understanding shale prospectivity involves, as a first step, conducting some core laboratory tests to relate and integrate the mineralogy, rock mechanics, and geomechanics. The problem is that the rocks we study have different compositions and burial histories, so its hard to pin down the relative roles of intrinsic rock properties and extrinsic stress states. The effect of discontinuities on the geomechanics of reservoir is concerned in recent years dusseault, 20. The srb geophysics project department of geophysics 397 panama mall mitchell building, room 369 stanford. Fluids water, magma, petroleum, natural gas, atmosphere. It is also the subject of increased interest because of the growing contribution of shale oil and gas to energy show all. The book begins with a detailed characterization of unconventional reservoir rocks. His first book, reservoir geomechanics cambridge, 2007 is now in its 15th printing.
He conducts research on in situ stress, fault mechanics, and reservoir geomechanics with an emphasis on shale gas, tight gas and tight oil production. Updated with new chapters on operations surrounding shale oil, shale gas, and. The laboratory measurements are also used to inform and validate rock physics models developed by the csiro geophysics team. It was proven that shale rock samples taken from the selected sections of horizontal well are heterogeneous. Our rock mechanics laboratory has specialised capability to conduct low frequency acoustic measurements. This lets gas and petroleum from source rocks get to reservoir rocks. Shale gas exploration and production key issues and responsible business practices guidance note for financiers this guidance note has been produced to assist financial institutions in their internal conversations and decisionmaking with regard to risks and responsible business practices associated with shale gas production.
Creep behavior at in situ in situ pct conditions, rock me. We studied the static and dynamic elastic properties of shale gas reservoir rocks from barnett, haynesville, eagle ford, and fort st. Distinct characteristics of shale make it exceptionally difficult to work with. Shale gas is the term often used to describe both tight gas and shale gas resources. Understanding the controls on the elastic properties of reservoir rocks is crucial for exploration and successful production from hydrocarbon reservoirs. Rock mechanical properties of shale gas reservoir and their influences on hydraulic fracture. The study of the physical characteristics and behavior of rock. Shale gas is natural gas that is found trapped within shale formations. Empirical equations and correlations between rock strengths and petrophysical and geophysical properties are presented for different lithologies.
Fine shale mudstone calcareous mudstone slate amphibolite rhyotite basalt obsidian. Dresen, deformation experiments on bowland and posidonia shale part ii. Rock mechanics can include analysis of and relationships between properties such as velocity, density, porosity, permeability, shear strength, and bending and crushing behavior, as well as the greater geological context of forces that deform strata and produce geological structures. New correlations for deepwater reservoirs and shale oil and shale gas formations are proposed. Mechanical properties of shalegas reservoir rocks part. Rock mechanics of shear rupture in shale gas reservoirs. Oclcs webjunction has pulled together information and resources to assist library staff as they consider how to handle coronavirus.
Data may provide field engineers with more knowledge about benefits and conveniences to guide their shale gas horizontal well completion plans. Shales are finegrained sedimentary rocks consisting of silt and claysized particles that were laid down hundreds of millions of years ago as organicrich mud at the bottom of ancient seas and tidal flats. The eias projections imply that, by 2040, the united states will recover all currently known shale gas reserves, 58% of unproved shale gas resources and 78% of unproved tightoil resources 7,9. Browse the amazon editors picks for the best books of 2019, featuring our. Drilling operations and well design, second edition, keeps petroleum and drilling engineers centrally focused on the basic fundamentals surrounding geomechanics, while also keeping them uptospeed on the latest issues and practical problems. Practical aspects of shale gas geomechanics geomechanics plays a critical role in successfully optimizing unconventional reservoir exploitation. The rock mechanics of shear rupture in shale gas reservoirs is presented. Hf methods in vertical wells led to limited production of the gas in the antrim shale michigan basin, barnett. Shale oil play exploration delineation using rock mechanics. The course focuses on the basic principles of stress analysis and the measurement and determination of geomechanical properties relevant to wellbore stability and fracture permeability predictions. Pdf rock mechanical properties of shale gas reservoir and. A new evaluation method for the fracability of a shale. However, compared to those in the united states, the cost of shale gas extraction and the complex problems encountered in more complex and deep drilling in china are key technologies that need to be overcome. Mechanical properties of shalegas reservoir rocks part 2.
As activity has boomed and job growth continues to increase, training in this area for new and experienced engineers is essential. Mechanical properties of shale gas reservoir rocks part 2. Shale gas has become an increasingly important source of natural gas in the united states, and interest has spread to potential gas shales in the rest of the world. The rock deformation and fluid flow were iteratively coupled in the model. A newly developed approach to evaluate rock brittleness. Discover hydraulic fracturing books free 30day trial. We have developed an improved anisotropic rock physics model to incorporate toc effects, in addition to effects of mineralogy, porosity, and fluid content, on seismic and electrical properties of shale gas. Rock mechanics aspects of hydraulic fracturing in the. Learn from hydraulic fracturing experts like the times leader and y zee ma. Response of rocks to applied loads earth materials rocks soils fluids. This journal is concerned with original research, new developments, site measurements and case studies in rock mechanics and rock engineering. Sep 01, 20 we studied the elastic moduli, ductile creep behavior, and brittle strength of shale gas reservoir rocks from barnett, haynesville, eagle ford, and fort st. Since the beginning of the us shale gas revolution in 2005, the development of unconventional oil and gas resources has gathered tremendous pace around the world.
Read petroleum rock mechanics by bernt aadnoy,reza looyeh for free with a 30. The different physical and mechanical properties of shale need to be quantified and standardized in relation to the mine environment. Read hydraulic fracturing books like times leader 06262011 and unconventional oil and gas resources handbook for free with a free 30day trial. Updated with new chapters on operations surrounding shale oil, shale gas. Rock mechanics for resources, energy and environment book.
Exploration and environmental and economic impacts explores the shale gas exploration and production activities that are increasing globally, also presenting a basic understanding on the geological, geochemical, and geophysical aspects. Shale gas, natural gas obtained from sheetlike formations of shale, frequently at depths exceeding 1,500 metres 5,000 feet. Gulfian mesozoic paleozoic cretaceous eagle ford formation barnett shale haynesville formation natural gas rock mechanics bedding planar bedding structures upper cretaceous upper jurassic carboniferous. Theory, technologies, and challenges provides users with information on how shale oil and gas exploration has revolutionized todays energy industry. Fracking hydraulic fracturing databases, films, books, and other resources on fracking and its impact. This book provides a comprehensive overview of the key geologic, geophysical, and engineering principles that govern the development of unconventional reservoirs. The authors use case studies from shales from petroleumbearing basins to illustrate their shale characterization methodology. The first type characterizes the brittleness based on the mineralogical compositions of the rock, while the second type uses the rock mechanics parameters for its characterization. The mississippian barnett shale of northcentral texas as one model for thermogenic shale gas. Geomechanics is playing an increasingly important role in developing conventional and unconventional resources coal seam gas and shale gas. In recent years, a severe energy shortage situation and the rapid growth of energy prices, the shale gas resource in.
Fracking simple english wikipedia, the free encyclopedia. Across the country, frackingthe extraction of natural gas by hydraulic fracturingis being touted as the nations answer to energy independence and a fix for a flagging economy. More specifically, it examines the role of formation, strength of rock materials, and wellbore mechanics, along with the impact of. Ductile creep, brittle strength, and their relation to the elastic modulus. Zobacks textbook, reservoir geomechanics cambridge university press, 2007 with updated examples and applications. Fracking, or hydraulic fracturing, is forcing fractures in a rock layer, by fluid that is put under pressure. More specifically, it examines the role of formation, strength of rock materials, and wellbore mechanics, along with the impact of insitu stress changes on wellbore and. In the first step shale rock was characterized using xray fluorescence spectroscopy, xray diffractometry and laboratory analysis. Lectures on rock mechanicslectures on rock mechanics sarvesh chandrasarvesh chandra professor dt tfciilei idepartment of civil engineering indian institute of technology kanpur kanpur, 208016 india. Rock failure mechanisms are studied based on uniaxial and triaxial compression tests.
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