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Pressure Transient Modeling Of A Fractured Geothermal Reservior
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Book Synopsis Pressure Transient Modeling of a Fractured Geothermal Reservior by :
Download or read book Pressure Transient Modeling of a Fractured Geothermal Reservior written by and published by . This book was released on 1990 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt: A fracture network model has been developed to simulate transient fluid flow behavior in a fractured rock mass. Included is a pressure-dependent aperture submodel to simulate behavior often seen in fractured systems. The model is used to simulate data from the Fenton Hill Hot Dry Rock (HDR) geothermal reservoir. Both low-pressure/low-flow-rate and high-pressure/high-flow-rate transient data are adequately simulated. The model parameters obtained suggest ways in which the model can be refined to achieve even more realistic fits to the data. The model is then used to demonstrate more efficient operating modes than the two-well circulating mode usually proposed for HDR reservoirs. 11 refs., 9 figs., 1 tab.
Book Synopsis The Pressure Transient Testing of a Manmade Fractured Geothermal Reservoir by : Henry N. Fisher
Download or read book The Pressure Transient Testing of a Manmade Fractured Geothermal Reservoir written by Henry N. Fisher and published by . This book was released on 1980 with total page 33 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Pressure Transient Testing of a Manmade Fractured Geothermal Reservoir by :
Download or read book The Pressure Transient Testing of a Manmade Fractured Geothermal Reservoir written by and published by . This book was released on 1980 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Geothermal Reservoir Engineering by : Malcolm Alister Grant
Download or read book Geothermal Reservoir Engineering written by Malcolm Alister Grant and published by Academic Press. This book was released on 2011-04-01 with total page 379 pages. Available in PDF, EPUB and Kindle. Book excerpt: As nations alike struggle to diversify and secure their power portfolios, geothermal energy, the essentially limitless heat emanating from the earth itself, is being harnessed at an unprecedented rate. For the last 25 years, engineers around the world tasked with taming this raw power have used Geothermal Reservoir Engineering as both a training manual and a professional reference. This long-awaited second edition of Geothermal Reservoir Engineering is a practical guide to the issues and tasks geothermal engineers encounter in the course of their daily jobs. The book focuses particularly on the evaluation of potential sites and provides detailed guidance on the field management of the power plants built on them. With over 100 pages of new material informed by the breakthroughs of the last 25 years, Geothermal Reservoir Engineering remains the only training tool and professional reference dedicated to advising both new and experienced geothermal reservoir engineers. - The only resource available to help geothermal professionals make smart choices in field site selection and reservoir management - Practical focus eschews theory and basics- getting right to the heart of the important issues encountered in the field - Updates include coverage of advances in EGS (enhanced geothermal systems), well stimulation, well modeling, extensive field histories and preparing data for reservoir simulation - Case studies provide cautionary tales and best practices that can only be imparted by a seasoned expert
Book Synopsis Transient Behavior in Fractured Media with Zero Matrix Permeability by :
Download or read book Transient Behavior in Fractured Media with Zero Matrix Permeability written by and published by . This book was released on 1988 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Pressure transient analysis is one of the powerful tools that provides estimates on in-situ reservoir properties. Development of theory since 1935 from the classic paper of Theis, has provided analysis procedures for different pressure tests in wells. The solutions to respective partial differential equations for dual porosity or fractured systems also found wide application in estimating reservoir properties in geothermal reservoirs. When we analyze the response of a reservoir to pressure disturbances, we assume a model to simulate the system, and properties are estimated from the best fit to this model. The present paper will discuss some experimental results obtained from a fractured medium with zero matrix permeability, where dimensions of blocks, fracture spacing, exact location of production points and reservoir sites are known. The pressure transient data obtained from a laboratory geothermal model, were analyzed using conventional analysis techniques. The results imply, even for this fully fractured system, the reservoir behaves as if it has the properties of a dual porosity medium. Several tests conducted at different rates and at different production depths resulted in similar kh and [phi]C{sub t}h values, indicating that the parameters affecting the pressure transients were the overall properties of the medium. In this paper only drawdown tests will be presented.
Book Synopsis Stanford Geothermal Program, Reservoir and Injection Technology by :
Download or read book Stanford Geothermal Program, Reservoir and Injection Technology written by and published by . This book was released on 1988 with total page 88 pages. Available in PDF, EPUB and Kindle. Book excerpt: This annual report of the Stanford Geothermal Program presents major projects in reservoir and injection technology. The four include: (1) an application of the boundary element method to front tracking and pressure transient testing; (2) determination of fracture aperture, a multi-tracer approach; (3) an analysis of tracer and thermal transients during reinjection; and, (4) pressure transient modeling of a non-uniformly fractured reservoir. (BN).
Book Synopsis The Pressure Transient Testing of a Manmade Fractured Geothermal Reservoir by : Henry N. Fisher
Download or read book The Pressure Transient Testing of a Manmade Fractured Geothermal Reservoir written by Henry N. Fisher and published by . This book was released on 1980 with total page 33 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Naturally Fractured Reservoirs by : Roberto Aguilera
Download or read book Naturally Fractured Reservoirs written by Roberto Aguilera and published by PennWell Books. This book was released on 1980 with total page 730 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book deals exclusively with naturally fractured reservoirs and includes many subjects usually treated in separate volumes. A highly practical edition, Naturally Fractured Reservoirs is written for students, reservoir geologists, log analysts and petroleum engineers.
Book Synopsis Fractal Analysis of Pressure Transients in the Geysers Geothermal Field by :
Download or read book Fractal Analysis of Pressure Transients in the Geysers Geothermal Field written by and published by . This book was released on 1992 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The conventionally accepted models for the interpretation of pressure transient tests in naturally fractured reservoirs usually involve simplistic assumptions regarding the geometry and transport properties of the fractured medium. Many single well tests in this type of reservoirs fail to show the predicted behavior for dual or triple porosity or permeability systems and cannot be explained by these models. This paper describes the application of a new model based on a fractal interpretation of the fractured medium. The approach, discussed elsewhere [2], [6], is applied to field data from The Geysers Geothermal Field. The objective is to present an alternative interpretation to well tests that characterizes the fractured medium in a manner more consistent with other field evidence. The novel insight gained from fractal geometry allows the identification of important characteristics of the fracture structure that feeds a particular well. Some simple models are also presented that match the field transient results.
Book Synopsis Modeling Responses of Naturally Fractured Geothermal Reservoir to Low-Pressure Stimulation by :
Download or read book Modeling Responses of Naturally Fractured Geothermal Reservoir to Low-Pressure Stimulation written by and published by . This book was released on 2012 with total page 13 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Geothermal Reservoir Engineering by : Malcomm Grant
Download or read book Geothermal Reservoir Engineering written by Malcomm Grant and published by Elsevier. This book was released on 2013-02-07 with total page 384 pages. Available in PDF, EPUB and Kindle. Book excerpt: Geothermal Reservoir Engineering offers a comprehensive account of geothermal reservoir engineering and a guide to the state-of-the-art technology, with emphasis on practicality. Topics covered include well completion and warm-up, flow testing, and field monitoring and management. A case study of a geothermal well in New Zealand is also presented. Comprised of 10 chapters, this book opens with an overview of geothermal reservoirs and the development of geothermal reservoir engineering as a discipline. The following chapters focus on conceptual models of geothermal fields; simple models that illustrate some of the processes taking place in geothermal reservoirs under exploitation; measurements in a well from spudding-in up to first discharge; and flow measurement. The next chapter provides a case history of one well in the Broadlands Geothermal Field in New Zealand, with particular reference to its drilling, measurement, discharge, and data analysis/interpretation. The changes that have occurred in exploited geothermal fields are also reviewed. The final chapter considers three major problems of geothermal reservoir engineering: rapid entry of external cooler water, or return of reinjected water, in fractured reservoirs; the effects of exploitation on natural discharges; and subsidence. This monograph serves as both a text for students and a manual for working professionals in the field of geothermal reservoir engineering. It will also be of interest to engineers and scientists of other disciplines.
Book Synopsis Stanford Geothermal Program, Reservoir and Injection Technology. Fourth Annual Report by :
Download or read book Stanford Geothermal Program, Reservoir and Injection Technology. Fourth Annual Report written by and published by . This book was released on 1988 with total page 88 pages. Available in PDF, EPUB and Kindle. Book excerpt: This annual report of the Stanford Geothermal Program presents major projects in reservoir and injection technology. The four include: (1) an application of the boundary element method to front tracking and pressure transient testing; (2) determination of fracture aperture, a multi-tracer approach; (3) an analysis of tracer and thermal transients during reinjection; and, (4) pressure transient modeling of a non-uniformly fractured reservoir. (BN).
Book Synopsis Pressure Transient Analysis of Geothermal Wells: a Numerical Modelling Approach by : Penelope Kate (Katie) McLean
Download or read book Pressure Transient Analysis of Geothermal Wells: a Numerical Modelling Approach written by Penelope Kate (Katie) McLean and published by . This book was released on 2020 with total page 404 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Pressure Transient Test Analysis of Vuggy Naturally Fractured Carbonate Reservoir by : Babatunde Tolulope Ajayi
Download or read book Pressure Transient Test Analysis of Vuggy Naturally Fractured Carbonate Reservoir written by Babatunde Tolulope Ajayi and published by . This book was released on 2010 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Well pressure transient analysis is widely used in reservoir management to obtain reservoir information needed for reservoir simulation, damage identification, well optimization and stimulation evaluation. The main objective of this project is to analyze, interpret and categorize the pressure transient responses obtained from 22 wells in a vuggy naturally fractured carbonate reservoir in an attempt to understand the heterogeneities of the porosity system. Different modeling techniques useful in simulating well behavior in vuggy naturally fractured reservoirs were developed and categorized. The research focused on pressure transient analysis using homogeneous, radial composite, single fracture, dual porosity and triple porosity reservoir models along with conventional boundary models which show boundary limits including single and double sealing boundary, closure and constant pressure boundary. A triple porosity model was developed, and it proved to be very effective for use in the analysis of the pressure responses obtained from this field. For some wells, the need for new models to characterize the pressure responses in more complex reservoirs was highlighted as conventional models failed.
Book Synopsis Fracture Network Modeling of a Hot Dry Rock Geothermal Reservoir by :
Download or read book Fracture Network Modeling of a Hot Dry Rock Geothermal Reservoir written by and published by . This book was released on 1988 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Fluid flow and tracer transport in a fractured Hot Dry Rock (HDR) geothermal reservoir are modeled using fracture network modeling techniques. The steady state pressure and flow fields are solved for a two-dimensional, interconnected network of fractures with no-flow outer boundaries and constant-pressure source and sink points to simulate wellbore-fracture intersections. The tracer response is simulated by particle tracking, which follows the progress of a representative sample of individual tracer molecules traveling through the network. Solute retardation due to matrix diffusion and sorption is handled easily with these particle tracking methods. Matrix diffusion is shown to have an important effect in many fractured geothermal reservoirs, including those in crystalline formations of relatively low matrix porosity. Pressure drop and tracer behavior are matched for a fractured HDR reservoir tested at Fenton Hill, NM.
Download or read book Energy Research Abstracts written by and published by . This book was released on 1994 with total page 464 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Aspects of Fracture Heterogeneity and Fault Transmissivity in Pressure Transient Modeling of Naturally Fractured Reservoirs by : Abdullah Hamed Al-Ghamdi
Download or read book Aspects of Fracture Heterogeneity and Fault Transmissivity in Pressure Transient Modeling of Naturally Fractured Reservoirs written by Abdullah Hamed Al-Ghamdi and published by . This book was released on 1998 with total page 380 pages. Available in PDF, EPUB and Kindle. Book excerpt:
