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Book Projects Investigating Oil Recovery from Naturally Fractured Reservoirs

Download or read book Projects Investigating Oil Recovery from Naturally Fractured Reservoirs written by United States. National Petroleum Technology Office and published by . This book was released on 1999 with total page 84 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Simulation of Enhanced Oil Recovery in Naturally Fractured Reservoirs Using Dual porosity Models

Download or read book Simulation of Enhanced Oil Recovery in Naturally Fractured Reservoirs Using Dual porosity Models written by Ali Mohammed Hmood Al-Rudaini and published by . This book was released on 2021 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Shale Gas and Tight Oil Reservoir Simulation

Download or read book Shale Gas and Tight Oil Reservoir Simulation written by Wei Yu and published by Gulf Professional Publishing. This book was released on 2018-08-10 with total page 430 pages. Available in PDF, EPUB and Kindle. Book excerpt: Shale Gas and Tight Oil Reservoir Simulation delivers the latest research and applications used to better manage and interpret simulating production from shale gas and tight oil reservoirs. Starting with basic fundamentals, the book then includes real field data that will not only generate reliable reserve estimation, but also predict the effective range of reservoir and fracture properties through multiple history matching solutions. Also included are new insights into the numerical modelling of CO2 injection for enhanced oil recovery in tight oil reservoirs. This information is critical for a better understanding of the impacts of key reservoir properties and complex fractures. Models the well performance of shale gas and tight oil reservoirs with complex fracture geometries Teaches how to perform sensitivity studies, history matching, production forecasts, and economic optimization for shale-gas and tight-oil reservoirs Helps readers investigate data mining techniques, including the introduction of nonparametric smoothing models

Book Naturally Fractured Reservoirs

Download or read book Naturally Fractured Reservoirs written by Roberto Aguilera and published by Pennwell Corporation. This book was released on 1995 with total page 521 pages. Available in PDF, EPUB and Kindle. Book excerpt: This publication deals exclusively with naturally fractured reservoirs, and includes many subjects usually treated in separate volumes. It is written for students, reservoir geologists, log analysts and petroleum engineers.

Book Enhanced Oil Recovery in Shale and Tight Reservoirs

Download or read book Enhanced Oil Recovery in Shale and Tight Reservoirs written by James J.Sheng and published by Gulf Professional Publishing. This book was released on 2019-11-07 with total page 538 pages. Available in PDF, EPUB and Kindle. Book excerpt: Oil Recovery in Shale and Tight Reservoirs delivers a current, state-of-the-art resource for engineers trying to manage unconventional hydrocarbon resources. Going beyond the traditional EOR methods, this book helps readers solve key challenges on the proper methods, technologies and options available. Engineers and researchers will find a systematic list of methods and applications, including gas and water injection, methods to improve liquid recovery, as well as spontaneous and forced imbibition. Rounding out with additional methods, such as air foam drive and energized fluids, this book gives engineers the knowledge they need to tackle the most complex oil and gas assets. Helps readers understand the methods and mechanisms for enhanced oil recovery technology, specifically for shale and tight oil reservoirs Includes available EOR methods, along with recent practical case studies that cover topics like fracturing fluid flow back Teaches additional methods, such as soaking after fracturing, thermal recovery and microbial EOR

Book INVESTIGATION OF EFFICIENCY IMPROVEMENTS DURING CO2 INJECTION IN HYDRAULICALLY AND NATURALLY FRACTURED RESERVOIRS

Download or read book INVESTIGATION OF EFFICIENCY IMPROVEMENTS DURING CO2 INJECTION IN HYDRAULICALLY AND NATURALLY FRACTURED RESERVOIRS written by and published by . This book was released on 2004 with total page 75 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report describes the work performed during the second year of the project, ''Investigating of Efficiency Improvements during CO2 Injection in Hydraulically and Naturally Fractured Reservoirs.'' The objective of this project is to perform unique laboratory experiments with artificial fractured cores (AFCs) and X-ray CT to examine the physical mechanisms of bypassing in HFR and NFR that eventually result in less efficient CO2 flooding in heterogeneous or fracture-dominated reservoirs. To achieve this objective, in this period we concentrated our effort on investigating the effect of CO2 injection rates in homogeneous and fractured cores on oil recovery and a strategy to mitigate CO2 bypassing in a fractured core.

Book Oil Recovery from Naturally Fractured Reservoirs by Steam Injection Methods

Download or read book Oil Recovery from Naturally Fractured Reservoirs by Steam Injection Methods written by and published by . This book was released on 1991 with total page 4 pages. Available in PDF, EPUB and Kindle. Book excerpt: The objective of this study is to develop accurate models for predicting oil recovery in naturally fractured reservoirs by steam injection. This objective is being met through an integrated experimental, numerical, and analytical study of the recovery mechanisms that control oil recovery for this process. These mechanisms include capillary imbibition, thermal expansion, gas generation from chemical reactions, and temperature-dependent thermal properties.

Book Oil Recovery Enhancement from Fractured Low Permeability Reservoirs Annual Report 1990 1991

Download or read book Oil Recovery Enhancement from Fractured Low Permeability Reservoirs Annual Report 1990 1991 written by and published by . This book was released on 1991 with total page 316 pages. Available in PDF, EPUB and Kindle. Book excerpt: Joint funding by the Department of Energy and the State of Texas has Permitted a three year, multi-disciplinary investigation to enhance oil recovery from a dual porosity, fractured, low matrix permeability oil reservoir to be initiated. The Austin Chalk producing horizon trending thru the median of Texas has been identified as the candidate for analysis. Ultimate primary recovery of oil from the Austin Chalk is very low because of two major technological problems. The commercial oil producing rate is based on the wellbore encountering a significant number of natural fractures. The prediction of the location and frequency of natural fractures at any particular region in the subsurface is problematical at this time, unless extensive and expensive seismic work is conducted. A major portion of the oil remains in the low permeability matrix blocks after depletion because there are no methods currently available to the industry to mobilize this bypassed oil. The following multi-faceted study is aimed to develop new methods to increase oil and gas recovery from the Austin Chalk producing trend. These methods may involve new geological and geophysical interpretation methods, improved ways to study production decline curves or the application of a new enhanced oil recovery technique. The efforts for the second year may be summarized as one of coalescing the initial concepts developed during the initial phase to more in depth analyses. Accomplishments are predicting natural fractures; relating recovery to well-log signatures; development of the EOR imbibition process; mathematical modeling; and field test.

Book Energy Research Abstracts

Download or read book Energy Research Abstracts written by and published by . This book was released on 1995 with total page 782 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Aspects of Oil Recovery by Spontaneous Imbibition and Wettability Alteration

Download or read book Aspects of Oil Recovery by Spontaneous Imbibition and Wettability Alteration written by Siluni Wickramathilaka and published by . This book was released on 2011 with total page 271 pages. Available in PDF, EPUB and Kindle. Book excerpt: Spontaneous imbibition is one of the key mechanisms for oil production from naturally fractured reservoirs. The final oil recovery and the rate of oil recovery by spontaneous imbibition depend on many rock and fluid properties and wettability of the rock. Important factors that affect wettability are the rock type, initial water saturation, crude oil type, aging time, brine composition and salinity, and displacement temperature. Understanding wettability through spontaneous imbibition studies is crucial because wettability can affect the fluid location, fluid flow, and residual oil distributions of reservoirs. Many factors that affect imbibition oil recovery and wettability have not been studied extensively for carbonates. Better understanding of the effects of wettability and scaling laboratory spontaneous imbibition data is important to predicting oil recovery from fractured reservoirs. The objectives of the present study were to investigate various crude oil/brine/rock (COBR) interactions and factors which could affect wettability, to evaluate correlation of spontaneous imbibition data with various wetting conditions for carbonates, and to improve oil recovery by spontaneous imbibition with change in invading brine composition and salinity and by use of surfactants. Reproducibility of the spontaneous imbibition results is also emphasized. The variation of aqueous phase viscosity was performed for three distinct wettability conditions classed as Very Strongly Water-Wet (VSWW), Uniformly-Wet (UW-CO) and Mixed-Wet (MXW), to study the effects on spontaneous imbibition as well as to extend previous studies on spontaneous imbibition correlations. The Mason et al. (2010) scaling group (a modification of the Ma et al. (1997) scaling group) developed mainly for wide variation in aqueous phase viscosities of VSWW Berea sandstone was used to satisfactorily correlate most of the data obtained for VSWW carbonate spontaneous imbibition results. The mechanism of VSWW imbibition was investigated by use of Magnetic Resonance Imaging (MRI) to monitor oil recovery from spontaneous imbibition of brine. The saturation profiles and images obtained for linear and radial imbibition indicate that the pore structure plays a significant role during spontaneous imbibition of brine into an oil saturated rock. Formation of a sharp piston-like imbibition front also validates previous assumptions made for development of imbibition scaling groups. Under wettability conditions that made capillary forces very weak, imbibition was controlled by change in density of the aqueous phase. For UW-CO, improved correlation was given by using weighted viscosity terms. Data was correlated by scaling with respect to the product of dimensionless time (basically the ratio of capillary to viscous forces) times the ratio of gravity to capillary forces. The initial water saturation, crude oil type, aging time, and displacement temperature have been varied for selected rocks to evaluate wettability and its effects on oil recovery by spontaneous imbibition. Improved oil recovery was demonstrated for spontaneous imbibition through reduction in invading brine salinity and also by addition of various types of anionic, amphoteric, cationic, and nonionic surfactants. Increases in recovery were fastest and highest for nonionic surfactants.