Analysis Of Production Decline In Geothermal Reservoirs
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Analysis Of Production Decline In Geothermal Reservoirs
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Author :
language : en
Publisher:
Release Date : 1980
Analysis Of Production Decline In Geothermal Reservoirs written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1980 with Geothermal resources categories.
Analysis Of Production Decline In Geothermal Reservoirs
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Author : Elliot J. Zais
language : en
Publisher:
Release Date : 1980
Analysis Of Production Decline In Geothermal Reservoirs written by Elliot J. Zais and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1980 with Geothermal resources categories.
Decline Curve Analysis Of Production Data From The Geysers Geothermal Field
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Author :
language : en
Publisher:
Release Date : 1987
Decline Curve Analysis Of Production Data From The Geysers Geothermal Field written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1987 with categories.
Production data for over two hundred wells at The Geysers geothermal field were compiled and analyzed. Decline curves for groups of wells with 5, 10, and 40 acre spacing are presented and compared to curves published previously by Budd (1972) and Dykstra (1981). Decline curves for several individual wells and leases are discussed to illustrate the effects of well spacing and location, as well as the heterogeneous nature of the reservoir.
Decline Curve Analysis In Geothermal Reservoirs
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Author :
language : en
Publisher:
Release Date : 1977
Decline Curve Analysis In Geothermal Reservoirs written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1977 with categories.
The successful adaptation to geothermal problems of pressure testing methods developed in the petroleum and ground water fields suggests that decline curve analysis should be looked at more closely. This paper discusses the application of various decline curve methods to geothermal-reserve assessment using both smooth and scattered data sets. 15 refs.
Decline Curve Analysis Of Production Data From The Geysers Geothermal Field
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Author : M. Ripperda
language : en
Publisher:
Release Date : 1987
Decline Curve Analysis Of Production Data From The Geysers Geothermal Field written by M. Ripperda and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1987 with Geothermal resources categories.
Decline Curve Analysis Of Vapor Dominated Reservoirs
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Author :
language : en
Publisher:
Release Date : 1997
Decline Curve Analysis Of Vapor Dominated Reservoirs written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997 with categories.
Geothermal Program activities at the INEEL include a review of the transient and pseudosteady state behavior of production wells in vapor-dominated systems with a focus on The Geysers field. The complicated history of development, infill drilling, injection, and declining turbine inlet pressures makes this field an ideal study area to test new techniques. The production response of a well can be divided into two distinct periods: transient flow followed by pseudo-steady state (depletion). The transient period can be analyzed using analytic equations, while the pseudo-steady state period is analyzed using empirical relationships. Yet by reviewing both periods, a great deal of insight can be gained about the well and reservoir. An example is presented where this approach is used to determine the permeability thickness product, kh, injection and production interference, and estimate the empirical Arps decline parameter b. When the production data is reinitialized (as may be required by interference effects), the kh determined from the new transient period is repeatable. This information can be used for well diagnostics, quantification of injection benefits, and the empirical estimation of remaining steam reserves.
Permeability Thickness Determination From Transient Production Response At The Southeast Geysers
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Author :
language : en
Publisher:
Release Date : 1996
Permeability Thickness Determination From Transient Production Response At The Southeast Geysers written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1996 with categories.
The Fetkovich production decline curve analysis method was extended for application to vapor-dominated geothermal reservoirs for the purpose of estimating the permeability-thickness product (kh) from the transient production response. The analytic dimensionless terms for pressure, production rate, decline rate, and decline time were derived for saturated steam using the real gas potential and customary geothermal production units of pounds-mass per hour. The derived terms were numerically validating using ''Geysers-line'' reservoir properties at initial water saturation of 0 and at permeabilities of 1, 10, and 100 mD. The production data for 48 wells in the Southeast Geysers were analyzed and the permeability-thickness products determined from the transient production response using the Fetkovich production decline type curve. The kh results were in very good agreement with the published range at the Southeast Geysers and show regions of high permeability-thickness.
Production Decline Analysis Using Influence Functions
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Author :
language : en
Publisher:
Release Date : 1980
Production Decline Analysis Using Influence Functions written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1980 with categories.
We previously reported (Zais, 1979) that Arps's exponential equation works quite well on geothermal production data. The hyperbolic equation should probably not be used. In this paper we show the progress made i n using influence functions t o describe reservoir production behavior.
Engineering And Economic Assessment Of Geothermal Resources
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Author :
language : en
Publisher:
Release Date : 1987
Engineering And Economic Assessment Of Geothermal Resources written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1987 with Technology & Engineering categories.
Geothermal Reservoir Engineering
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Author : Malcomm Grant
language : en
Publisher: Elsevier
Release Date : 2013-02-07
Geothermal Reservoir Engineering written by Malcomm Grant and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-02-07 with Technology & Engineering categories.
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.