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Research Program On Fractured Petroleum Reservoirs Final Report January 1 1996 December 31 1996
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Book Synopsis Research Program on Fractured Petroleum Reservoirs. Final Report, January 1, 1996--December 31, 1996 by :
Download or read book Research Program on Fractured Petroleum Reservoirs. Final Report, January 1, 1996--December 31, 1996 written by and published by . This book was released on 1997 with total page 234 pages. Available in PDF, EPUB and Kindle. Book excerpt: Multiphase flow in fractured porous media is a complex problem. While the study of single phase flow in a fractured or a layered medium can be pursued by some kind of averaging process, there is no meaning to averaging two-phase flow when capillarity is an active force. For a two-layer system comprised of high and low permeable layers, the performance of gas-oil gravity can be less efficient than the homogeneous low permeable medium. On the other hand, heterogeneity may enhance water imbibition due to capillarity. Due to the above and various other complexities, current tools for predicting the performance of fractured hydrocarbon reservoirs are not reliable. Based on the research work carried out at the Reservoir Engineering Research Institute, and some other Institutions, a good deal of progress has been made in recent years. But still we are a long way from good predictive reservoir models. In this final report, we summarize some of our achievements in the understanding of multiphase flow in fractured media. Since some of the features of two-phase flow in fractured and layered many are similar due to the capillary forces, the work includes progress in both types of media. There are some basic issues of flow in both fractured and unfractured media that are currently unresolved. These issues include: (1) new phase formation such as the formation of liquid phase in gas condensate reservoirs, and gas phase formation in solution gas drive process and (2) composition variation due to thermal convection and diffusion processes. In the following, a brief summary of our findings in the last three years during the course of the project is presented.
Book Synopsis Research Program on Fractured Petroleum Reservoirs. [Quarterly Report], October 1--December 31, 1995 by :
Download or read book Research Program on Fractured Petroleum Reservoirs. [Quarterly Report], October 1--December 31, 1995 written by and published by . This book was released on 1996 with total page 33 pages. Available in PDF, EPUB and Kindle. Book excerpt: A number of experiments have been performed to study water injection in fractured porous media. These experiments reveal that: (1) the co-current imbibition may be the primary flow process in water-wet fractured media, and (2) the imbibition may result in over 20 percent recovery from very tight rock (Austin Chalk with K{sub ma} of the order of 0.01 md) for an imbibition period of about 2 months. Theoretical consideration reveal that the exponential function of Aronofsky et al. [''A Model for the Mechanism of Oil Recovery from Porous Matrix Due to Water Invasion In Fractured Reservoirs, '' Trans. AIME (1958) 213, 17-19] does not describe the early-time, but may represent the late-time recovery.
Book Synopsis Research Program on Fractured Petroleum Reservoirs. Quarterly Report, January 1, 1995-March 31, 1995 by :
Download or read book Research Program on Fractured Petroleum Reservoirs. Quarterly Report, January 1, 1995-March 31, 1995 written by and published by . This book was released on 1995 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Research Program on Fractured Petroleum Reservoirs. Task II - New Phase Formation and Flow in Porous Media. Quarterly Progress Report, April 1, 1996--June 30, 1996 by :
Download or read book Research Program on Fractured Petroleum Reservoirs. Task II - New Phase Formation and Flow in Porous Media. Quarterly Progress Report, April 1, 1996--June 30, 1996 written by and published by . This book was released on 1996 with total page 34 pages. Available in PDF, EPUB and Kindle. Book excerpt: We have developed a phenomenological model for critical condensate saturation. This model reveals that critical condensate saturation is a function of surface tension and contact angle hysteresis. On the other hand, residual oil saturation does not have such a dependency. Consequently, the selection of fluids in laboratory measurements for gas condensate systems should be made with care.
Book Synopsis Research Program on Fractured Petroleum Reservoirs: Quarterly Report, October 1 Through December 31, 1994 by :
Download or read book Research Program on Fractured Petroleum Reservoirs: Quarterly Report, October 1 Through December 31, 1994 written by and published by . This book was released on 1995 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Research Program on Fractured Petroleum Reservoirs. First Quarterly Report, January 1--March 31, 1994 by :
Download or read book Research Program on Fractured Petroleum Reservoirs. First Quarterly Report, January 1--March 31, 1994 written by and published by . This book was released on 2005 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Critical gas saturation and solution gas drive performance of a heavy oil ([mu][sub 0] = 17,000 cp) in a Berea core sample was measured. The critical gas saturation is less than 1.5 percent. But, the solution gas drive process for the heavy oil, unlike the light oil, is very efficient. While reducing the system pressure from a bubble point pressure of 445 psia to a pressure of 330 psia, 11 percent of the oil was produced from the core. In view of the high recovery due to solution gas drive, a duplicate experiment is being conducted. The pressure will be lowered to near 50 psia in the duplicate experiment.
Book Synopsis Research Program on Fractured Petroleum Reservoirs. Quarterly Report, January 1--March 31, 1994 by :
Download or read book Research Program on Fractured Petroleum Reservoirs. Quarterly Report, January 1--March 31, 1994 written by and published by . This book was released on 1994 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt: We have developed a simple method to account for reinfiltration and capillary continuity processes in a grid cell that may contain a large number of matrix blocks. This method requires fine grid simulation of a three-block stack. The proposed technique also takes into account the variation of capillary pressure, and even permeability and height variation among various matrix blocks reasonably well.
Book Synopsis Research Program on Fractured Petroleum Reservoirs. Fourth Quarterly Report, October 1--December 31, 1993 by :
Download or read book Research Program on Fractured Petroleum Reservoirs. Fourth Quarterly Report, October 1--December 31, 1993 written by and published by . This book was released on 1993 with total page 45 pages. Available in PDF, EPUB and Kindle. Book excerpt: Progress reports are presented for project 2-supersaturation, critical saturation and residual gas saturation in porous media and for project 5-simulation of fractured reservoirs. Under project 2, a visual high-pressure core-holder has been designed and constructed to be used in critical gas saturation and some other measurements. The apparatus has been used to measure critical gas saturation for a low viscosity mixture. These measurements reconfirm the investigators' previously published data that critical gas saturation for low viscosity fluids are low-around 1 percent. The apparatus is being currently used to measure critical gas saturation of an 11 API oil. Unlike light oils, heavy oil reservoirs, especially fractured heavy oil reservoirs might have an extremely high recovery efficiency with solution gas-drive. The critical gas saturation is an important element of recovery efficiency for such reservoirs.
Download or read book Schriftproben mit Heftzählung written by and published by . This book was released on 1935 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Research Program on Fractured Petroleum Reservoirs. Quarterly Progress Report, July 1 - September 30, 1994 by :
Download or read book Research Program on Fractured Petroleum Reservoirs. Quarterly Progress Report, July 1 - September 30, 1994 written by and published by . This book was released on 1994 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Research Program on Fractured Petroleum Reservoirs. Quarterly Progress Report, July 1, 1995-September 30, 1995 by :
Download or read book Research Program on Fractured Petroleum Reservoirs. Quarterly Progress Report, July 1, 1995-September 30, 1995 written by and published by . This book was released on 1995 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Characterization and Simulation of an Exhumed Fractured Petroleum Reservoir. Final Report, March 18, 1996--September 30, 1998 by :
Download or read book Characterization and Simulation of an Exhumed Fractured Petroleum Reservoir. Final Report, March 18, 1996--September 30, 1998 written by and published by . This book was released on 1998 with total page 200 pages. Available in PDF, EPUB and Kindle. Book excerpt: An exhumed fractured reservoir located near Alligator Ridge in central Nevada provides the basis for developing and testing different approaches for simulating fractured petroleum reservoirs. The fractured analog reservoir comprises a 90 m thickness of silty limestone and shaly interbeds within the Devonian Pilot Shale. A period of regional compression followed by ongoing basin and range extension has created faults and fractures that, in tern, have controlled the migration of both oil and gold ore-forming fluids. Open pit gold mines provide access for observing oil seepage, collecting the detailed fracture data needed to map variations in fracture intensity near faults, build discrete fracture network models and create equivalent permeability structures. Fault trace patterns mapped at the ground surface provide a foundation for creating synthetic fault trace maps using a stochastic procedure conditioned by the outcrop data. Conventional simulations of petroleum production from a 900 by 900 m sub-domain within the reservoir analog illustrate the possible influence of faults and fractures on production. The consequences of incorporating the impact of different stress states (e.g., extension, compression or lithostatic) are also explored. Simulating multiphase fluid flow using a discrete fracture, finite element simulator illustrates how faults acting as conduits might be poorly represented by the upscaling procedures used to assign equivalent permeability values within reservoir models. The parallelized reservoir simulators developed during this project provide a vehicle to evaluate when it might be necessary to incorporate very fine scale grid networks in conventional reservoir simulators or to use finely gridded discrete fracture reservoir simulators.
Book Synopsis Research Program on Fractured Petroleum Reservoirs. Second Quarterly, April 1-June 30, 1995 by :
Download or read book Research Program on Fractured Petroleum Reservoirs. Second Quarterly, April 1-June 30, 1995 written by and published by . This book was released on 1995 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Government Reports Announcements & Index by :
Download or read book Government Reports Announcements & Index written by and published by . This book was released on 1996 with total page 524 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Fractured Reservoir Discrete Feature Network Technologies. Final Report, March 7, 1996 to September 30, 1998 by :
Download or read book Fractured Reservoir Discrete Feature Network Technologies. Final Report, March 7, 1996 to September 30, 1998 written by and published by . This book was released on 1998 with total page 5 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report summarizes research conducted for the Fractured Reservoir Discrete Feature Network Technologies Project. The five areas studied are development of hierarchical fracture models; fractured reservoir compartmentalization, block size, and tributary volume analysis; development and demonstration of fractured reservoir discrete feature data analysis tools; development of tools for data integration and reservoir simulation through application of discrete feature network technologies for tertiary oil production; quantitative evaluation of the economic value of this analysis approach.
Download or read book Petroleum Abstracts written by and published by . This book was released on 1997 with total page 344 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Unconventional Gas Reservoirs by : M. Rafiqul Islam
Download or read book Unconventional Gas Reservoirs written by M. Rafiqul Islam and published by Elsevier. This book was released on 2014-10-23 with total page 633 pages. Available in PDF, EPUB and Kindle. Book excerpt: Natural gas, especially unconventional gas, has an increasingly important role in meeting the world's energy needs. Experts estimate that it has the potential to add anywhere from 60-250% to the global proven gas reserve in the next two decades. To maintain pace with increasing global demand, Unconventional Gas Reservoirs provides the necessary bridge into the newer processes, approaches and designs to help identify these more uncommon reservoirs available and how to maximize its unconventional potential. Loaded with reservoir development and characterization strategies, this book will show you how to: Recognize the challenges and opportunities surrounding unconventional gas reservoirs Distinguish among the various types of unconventional reservoirs, such as shale gas, coalbed methane, and tight gas formations Drill down and quantify the reservoir’s economic potential and other critical considerations Gain practical insights and tools to efficiently identify, appraise, and develop unconventional gas reservoirs Understand various techniques used to analyze reservoir parameters and performance as well as how they were applied to numerous real-world case studies Upgrade to the latest information on perspectives and insights with discussion of key differences used for today’s unconventional gas characterization versus original conventional methods that failed in the past
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