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EAGE/AAPG Middle East Tight Gas Reservoirs Workshop 2011
- Conference date: 30 Oct 2011 - 02 Nov 2011
- Location: Dubai, United Arab Emirates
- ISBN: 978-94-6282-046-3
- Published: 30 October 2011
21 - 25 of 25 results
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The Quest of the Key Hidden Signal
By L. PaugetSeveral approaches were integrated in order to improve reservoir characterization in field A and optimize the planning of additional delineation and field development. A dense 3D seismic data was acquired on this field. The elastic (IP/IS) impedance inversion of the PrSTM 3D seismic dataset was performed with the objective of providing suitable datasets for reservoir characterization. An evaluation of the main results had the objective of establishing a workflow for delineating potential sweet spots in the main reservoir. In addition, the IP/PR cross plots demonstrate a good discrimination of sandy and shaly facies.
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Stimulation of Low-Permeability Gas Reservoirs in Latin America
By Julio GomezGas figures show that Latin America holds only 4.3% of the world’s conventional gas reserves. However, consumption has become important in some countries such as Argentina and Brazil. On the other hand, some estimates for unconventional reserves set Latin America with 29% of the world’s reserves, which would be comparable with combined US and Canadian reserves. Despite these interesting data, Latin America has undertaken only a few projects involving tight and unconventional gas development. This is relevant in an area where most of the countries satisfy their energy demand from means including gas imports.
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Economic Development of Tight Gas Resources in the Middle East
More LessThe presentation will consider the keys issues and requirements for the successful development tight gas resources; where tight gas fits in the mix of conventional and unconventional gas resources; and how this resource base could be utilized in meeting the growing energy needs of the region. The economics of tight gas development will be reviewed to identify the key value levers and break even gas prices required to generate a 10% project rate of return (IRR).
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Comparisons and Contrasts of Tight Gas Sand and Shale Gas Developments - Drawing upon North American Experience and Trends
Authors D. Georgi, B. Kennedy, B. Knecht and U. Ahmed“All Shale Gas reservoirs are not the same” and “there are no typical Tight Gas reservoirs,” are two statements found numerous times in the literature on shale gas and tight gas reservoirs. The one common aspect of developing these unconventional resources is that wells in both must be ‘hydraulically fractured’ in order to produce commercial amounts of gas. Operator challenges during each phase of the asset life cycle (Exploration, Appraisal, Development, Production, and Rejuvenation) of both shale gas and tight gas are similar. Drilling, well design, completion methods and hydraulic fracturing are similar; but reservoir analysis and formation evaluation techniques are quite different. Much of the experience in shale and tight gas has been developed in the U.S.; and most of the technologies that have been developed by operators and service companies are transferable to Middle East, North Africa and other parts of the world. However, the infrastructure, including equipment and service company availability, governmental regulations, logistics, processing, environmental considerations, and pricing are not the same as in the U.S.; which may impact the rate of the technology transfer as well as the selection of the technology. It is likely that environmental concerns and the drive to reduce development costs of tight and shale gas reservoirs will drive a new “factory” approach to the development of these two types of developments. Whilst shale gas and tight gas reservoirs are no longer considered to be ‘unusual’ projects by investors in the U.S., elsewhere they are regularly referred to as “unconventional resources”. As a subsequence of the technical, logistical and cost challenges mentioned above, shale and tight gas reservoirs require special attention in terms of economic analysis. The economics of producing shale gas and tight gas reservoirs will be discussed in this workshop, with case studies that can demonstrate the challenges of evaluating the commercial viability of projects.
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Reserve Booking of Shale Gas Reservoirs
More LessUnconventional gas development in North America has grown exponentially in the last twenty years due mainly to advances in completion technology and favorable economics. Progress in booking of unconventional gas reserves has been slower. This presentation discusses the applicability of conventional reserve booking techniques to unconventional gas reservoirs and provides insight into North American shale gas and coalbed methane reserve booking practices, as they pertain to a frontier environment such as the Middle East.
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