Shale gas is currently being explored in europe as an alternative energy source to conventional oil and gas. Shale gas formations are unconventional reservoirs i. Unconventional shale gas reservoir characterization and modelling. Reservoir characterization of unconventional gas shales. Shale wells, which are completed with horizontal wells and multiple traverse highlyconductive hydraulic fractures, exhibit long transient linear flow. Last, but not least in the chapter, an insight of the concept of shale gas and snake oil, which is the corresponding title of the thesis report, explained concisely. Distribution and source rock characteristics and staff member of new mexico bureau of geology, for all his advice and recommendations. Phd thesis by brage rugstad knudsen on shutin based production optimization of shale gas systems preliminary report of external examiner the thesis is concerned with the development of shale gas well and network models and efficient optimization schemes for scheduling of well shutins in large scale shale gas systems. Qinhong m ax hu as one of the most productive shale gas plays, the haynesville shale has a high geopressure gradient and high temperature, but with a lack of petrophysical understanding. Nanopetrophysics study of haynesville shale, east texas, usa qiming wang, m. This contrasts with a conventional gas reservoir produced from sands and carbonates such as. Member download tadesse teklu, spring 2015, experimental and numerical study of carbon dioxide injection enhanced oil recovery in lowpermeability reservoirs, colorado school of mines, phd dissertation. Life cycle sustainability assessment of shale gas in the uk. Iea predicts that shale gas will account for about 46 percent of u.
Gas is located within the shales either in pore spaces or. Gale and laubach, 2009, natural fractures in the new albany shale and their importance for shalegas production thesis fidler, l. This work would not have been possible with their support. Assessment of undiscovered oil and gas resources in the lower. While shale production efforts have been around for decades in. A method for evaluating an earth formation from a well bore, that includes. Theses and dissertations unconventional natural gas and.
Randy miller, from core labs, who offered the short course on of shale gas evaluation with the ranking scorecard for shale gas. Although natural gas is cleanerburning than coal, the process of extracting shale gas is arguably more carbon intensive. Shale oil production performance from a stimulated reservoir volume. Shale gas supply chain design and operations toward better. The rise of shale gas and oil has been one of the major developments in the world of energy, which will have a lasting impact for years to come. There is, however, increasing concern about the potential environmental impacts of shale gas extraction by hydraulic fracturing fracking. The application of two key techniques, horizontal drilling and hydraulic fracturing, have made it possible to extract gas economically from shale. 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. Unconventional shale gas exploration, production, and utilization in north. Case study of shale gas production in eu supervised by. The work presented in this dissertation aims to evaluate the gasinplace and fraccability of these shale formations. Technically recoverable shale oil and shale gas resources.
These emerging areas are the main contributors for the booming natural gas industry in texas which is already a leading natural gas producer in the united states. Pdf phd thesis shale gas potential of the major marine. The committee on degrees in environmental science and public policy. Shale gas exploration and production key issues and. Frederic guinot for their continuous technical assistance during the preparation of my thesis. Performance anomalies in the gas oil ratio gor trends of the production history of the middle bakken wells in the reunion bay, sanish, parshall and the elkhorn ranch fields indicate the possibility of the anticipated contribution. S the most prolific of these texas sites is the barnett shale. For a shale gas reservoir to become a successful shale gas play. This thesis started with some initial work on the merits of utilizing shale gas locally by using it to generate electricity and supply customers in the vicinity of the well. One of the important limiting factors in most shale gas simulations is accurately representing fractures, which can have apertures from around 3 mm to 0. Rather than defending traditional values in nature, such as intrinsic value, i defend a metaphilosophical pragmatism centered on. The university of texas at arlington, 2019 supervising professor.
Shale gas shale oil gboe gboe poland 25 3,3 france 23 4,7 romania 9 0,3 denmark 5 0 uk 4 0,7 netherlands 4 2,9 others 9 1 total 80 12,9 country. This thesis analyzes the emerging technology of hydraulic fracturing and shale gas extraction process through a pluralistic philosophical approach. Despite this, field production data show a rapid decline in gas flow rate after a few. Permeability refers to the capacity of a porous, sediment, soil or rock in this case to transmit a fluid. Although interest in chinas shale gas development is growing, the nexus between water availability and regional shale gas development is rarely studied. Assessing the impacts of the shale gas revolution on electricity markets and climate change. Tan ngo, spring 2015, shale gas reservoir estimates based on experimental adsorption data, colorado school of mines, ms thesis. Texas which is already a leading natural gas producer in the united states. The largest shale oil resource is in usa, which possesses roughly 70% of global oil shale resource european academics science advisory council, 2007. The barnett shale is currently one of the most active shale gas plays in the us. The horizontal well with multiple transverse fractures has proven to be an effective strategy for shale gas reservoir exploitation. Eagleford, haynesville, barnett, and the barnettwoodford. The focus of this thesis is the reg ulation of shale gas production. Phd thesis by brage rugstad knudsen on shutin based production optimization of shalegas systems preliminary report of external examiner the thesis is concerned with the development of shalegas well and network models and efficient optimization schemes for scheduling of well shutins in large scale shalegas systems.
Shale gas reservoirs are mainly characterized by their low matrix permeability, ranging from subnanodarcies to tens of microdarcies, which makes the economic. Shale oil and gas is an expensive sector due to the low probability. In this work, the life cycle economic and environmental optimization of shale gas supply chain network design and operations is addressed. In most of the developing countries, shale gas development has not started yet. Geological survey estimated mean undiscovered, technically recoverable resources of 164 million barrels of oil and 24. For the wells drilled into these reservoirs, the initial decline rates are rapid 70% but bottom out gradually 6% in later years eia document, 2011. This thesis presents five studies of a gas shale reservoir using diverse methodologies to investigate geomechanical and transport properties that are important across the full reservoir lifecycle. The pros and cons of shale gas environmental sciences essay. A new rapid method for shale oil and shale gas assessment. Based on certain models, linear flow is preceded by bilinear flow if natural fractures are present. Other well known types of unconventional gas are coal seam gas csg and tight gas. Shale gas development in the united states shale formations across the u. Barnett the barnett shale formation is the grandfather of shale gas plays.
Optimization strategies for shale gas asset development. Unlike conventional mineral formations containing natural gas deposits, shale has low permeability, which naturally limits the flow of gas or water. Research and policy recommendations for hydraulic fracturing and shale. Graduate thesis or dissertation a practical, ethical. Our studies show a significant, cyclical variation in the internal stratigraphy of the barnett shale in the core area of newark east field, forth worth basin. A best practice regulatory proposal for shale gas production. Barnett, marcellus, fayetteville, new albany, antrim, and haynesville. Warner,2 avner vengosh2 1 center on global change, duke university, durham, nc 27708.
Pdf phd thesis shale gas potential of the major marine shale. Resource categories when considering the market implications of abundant shale resources, it is important to distinguish between a. Rising production from shale gas resources in the u. An assessment of 7 shale formations in 41 countries outside the united states.
Co2 and n2 injection to enhance shale gas recovery etda. The proposed model covers the welltowire life cycle of electricity generated from shale gas, consisting of a number of stages including freshwater acquisition, shale well drilling, hydraulic fracturing and completion, shale gas. Water availability and shale gas development in sichuan basin. Energy policy a thesis submitted to the faculty of the graduate school of arts and sciences of georgetown university in partial fulfillment of the requirements for the degree of master of public policy in public policy by. These ej issues should be addressed through greater involvement of local communities in the planning and siting process for shale gas wells. Assessment of undiscovered oil and gas resources in the. Composition variety complicates processing plans for us shale gas. Much of the technology used in drilling and production of shale gas has been developed on this play. These estimates are uncertain given the relatively sparse data that currently exist. In this study, we focussed on the potential impacts on regional water resources within the baltic basin in poland, both in. Phd thesis shale gas potential of the major marine shale formations in the upper yangtze platform, south china thesis pdf available may 2014. Gale and laubach, 2009, natural fractures in the new albany shale and their importance for shale gas production thesis fidler, l.
Nanopetrophysics study of haynesville shale, by qiming. Impact of shale gas development on water resources. In order to fill this gap, this thesis examines possible links between water availability and shale gas development in sichuan basin by projecting baseline water stress and. The thesis will also focus on finding the risk exposure and opportunities of integrated oil and gas companies in shale gas involved production in the us, as well as exploring which arethe companies best posit ioned to benefit from the shale gas industry in other countries given their experience in the us context. Rather than defending traditional values in nature, such as intrinsic value, i defend a metaphilosophical pragmatism centered on policy implications. Composition variety complicates processing plans for us.
This thesis also found that much of the public pushback against hydraulic fracturing and shale gas development in the uk comes as the result of environmental justice ej issues. A thesis submitted to the faculty and the board of trustees of the colorado school of. Shale gas deposits are unconventional resources in which gas has been generated from a fine grained sedimentary rock rich in organic matter and retained within that same sedimentary rock. Stateoftheart numerical simulations of shale gas transport tend to incorporate most, if not all, of the physics mentioned above.
Theses and dissertations unconventional natural gas and oil. The proposed model covers the welltowire life cycle of electricity generated from shale gas, consisting of a number of stages including freshwater acquisition, shale well drilling, hydraulic fracturing and completion, shale gas production, wastewater. I, the undersigned author of this thesis, understand that james cook university will. An investigation of the underlying evolution of shale gas. A computer program product and a system are provided. Shale gas has become an increasingly important source of natural gas in the united states over the last decade. Phd thesis shale gas potential of the major marine shale formations in the upper yangtze platform, south china thesis pdf available may 2014 with 2,152 reads how we measure reads.