Download or read book Simulation of Modified Steam Injection Processes Applied to Bottom Water Reservoirs written by Mahnaz Kasraie and published by . This book was released on 1987 with total page 730 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book A Comparative Analysis of Numerical Simulation and Analytical Modeling of Horizontal Well Cyclic Steam Injection written by Delmira Cristina Ravago Bastardo and published by . This book was released on 2005 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The main objective of this research is to compare the performance of cyclic steam injection using horizontal wells based on the analytical model developed by Gunadi against that based on numerical simulation. For comparison, a common reservoir model was used. The reservoir model measured 330 ft long by 330 ft wide by 120 ft thick, representing half of a 5-acre drainage area, and contained oil based on the properties of the Bachaquero-01 reservoir (Venezuela). Three steam injection cycles were assumed, consisting of a 20-day injection period at 1500 BPDCWE (half-well), followed by a 10-day soak period, and a 180-day production period. Comparisons were made for two cases of the position of the horizontal well located on one side of the reservoir model: at mid-reservoir height and at reservoir base. The analytical model of Gunadi had to be modified before a reasonable agreement with simulation results could be obtained. Main modifications were as follows. First, the cold horizontal well productivity index was modified to that based on the Economides-Joshi model instead of that for a vertical well. Second, in calculating the growth of the steam zone, the end-point relative permeability's of steam and oil were taken into consideration, instead of assuming them to be the same (as in the original model of Gunadi). Main results of the comparative analysis for both cases of horizontal well positions are as follows. First, the water production rates are in very close agreement with results obtained from simulation. Second, the oil production rates based on the analytical model (averaging 46,000 STB), however, are lower than values obtained from simulation (64,000 STB). This discrepancy is most likely due to the fact that the analytical model assumes residual oil saturation in the steam zone, while there is moveable oil based on the simulation model. Nevertheless, the analytical model may be used to give a first-pass estimate of the performance of cyclic steam injection in horizontal wells, prior to conducting more detailed thermal reservoir simulation.
Download or read book Asphaltene Particles in Fossil Fuel Exploration Recovery Refining and Production Processes written by Mahendra K. Sharma and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 242 pages. Available in PDF, EPUB and Kindle. Book excerpt: THE CURRENT STATE OF THE ART of several aspects of asphaltene is presented in this volume. It documents the proceedings of the Internationl Symposium on Asphaltene Particles in Fossil Fuel Exploration, Recovery, Refining and Production Processes sponsored by the Fine particle Society (FPS). This meeting was held il1 Las vegas, Nevada, July 13 -17, 1992. The symposium upon which this volume is based was organized in four sessions emphasizing various basic and applied aspects of research on asphaltene technology. Major topics discussed involve surface phenomena of asphaltene, processed and unprocessed bitumen, asphaltene effect on natural and accelerated ageing of bitumens, asphaltene conversion, theoretical aspects of asphaltenes and interactions of asphaltene colloids in organic solvents. This edition includes eighteen selected papers presented at the symposium. These papers are divided in four broad categories: (1) Bitumen and Coal-Derived Asphaltenes, (2) Asphalt and Asphaltene conversion, (3) Surface and Colloidal Aspects of Asphaltenes, and (4) Thermodynamic and Molecular Aspects of Asphaltenes.
Download or read book Petroleum Abstracts Literature and Patents written by and published by . This book was released on 1989 with total page 1528 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Feasibility of Steam Injection Process in a Thin Low permeability Heavy Oil Reservoir of Arkansas a Numerical Simulation Study written by and published by . This book was released on 1993 with total page 109 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report details the findings of an in-depth study undertaken to assess the viability of the steam injection process in the heavy oil bearing Nacatoch sands of Arkansas. Published screening criteria and DOE's steamflood predictive models were utilized to screen and select reservoirs for further scrutiny. Although, several prospects satisfied the steam injection screening criteria, only a single candidate was selected for detailed simulation studies. The selection was based on the availability of needed data for simulation and the uniqueness of the reservoir. The reservoir investigated is a shallow, thin, low-permeability reservoir with low initial oil saturation and has an underlying water sand. The study showed that the reservoir will respond favorably to steamdrive, but not to cyclic steaming. Steam stimulation, however, is necessary to improve steam injectivity during subsequent steamdrive. Further, in such marginal heavy oil reservoirs (i.e., reservoir characterized by thin pay zone and low initial oil saturation) conventional steamdrive (i.e., steam injection using vertical wells) is unlikely to be economical, and nonconventional methods must be utilized. It was found that the use of horizontal injectors and horizontal producers significantly improved the recovery and oil-steam ratio and improved the economics. It is recommended that the applicability of horizontal steam injection technology in this reservoir be further investigated.
Download or read book Simulation of the Cyclic Steam Injection Process in a Petroleum Reservoir by a Finite Difference Mathematical Model written by Jean-Claude Bernys and published by . This book was released on 1969 with total page 156 pages. Available in PDF, EPUB and Kindle. Book excerpt: "A three-phase, one-dimensional radially layered reservoir simulator is programmed for a large memory digital computer. It is designed to provide a practical solution to the problem of determining optimum soak time during an intermittent steam injection process. The general approach is to (1) develop a representative mathematical model which describes the reservoir; and (2) employ a suitable numerical technique to solve the system of equations which comprises this model. The reservoir consists of concentric cylinders around the wellbore, a pay-zone stratified into thermally connected layers limited on the top and on the bottom by an impermeable cap and base rock, respectively. Mathematically speaking six unknown variables are considered; (pressure, temperature, water saturation, oil saturation, gas saturation and water evaporated (or condensed)) which are subsequently solved by six basic equations. The program was written in FORTRAN IV language and run on an IBM 360-50 digital computer"--Abstract, leaf ii.
Download or read book Applied Vision written by Petroleum Society of CIM. Technical Meeting and published by . This book was released on 1988 with total page 562 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Energy Research Abstracts written by and published by . This book was released on 1993 with total page 490 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Steam Injection Experiments in Scaled Physical Models written by Syed Mohammad Farouq Ali and published by . This book was released on 1989* with total page 879 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Optimization of Steam Assisted Gravity Drainage Electrical Joule s Heating and Thermal chemical Processes for Heavy Oil Reservoirs written by Elif Ozdingis and published by . This book was released on 2016 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Thermal enhanced oil recovery techniques have been considered as the best approach to produce heavy oil, however, not all thermal methods are appropriate or effective for oil production from every heavy oil reservoir. Therefore, this research study aims to investigate how reservoir and operational parameters affect certain thermal enhanced oil recovery methods (steam assisted gravity drainage, and low frequency electrical heating) and a hybrid thermal-chemical process (method which combines low frequency electrical heating with hot water and alkaline/co-solvent/polymer injection). In this master's thesis, a compositional reservoir simulator, UTCHEM, was used to build the base case reservoir models. UTCHEM is a three-dimensional, multicomponent, multiphase reservoir simulator, which is mainly utilized to model chemical flooding processes. Besides modeling many features of chemical floods, the simulator can also handle complex phase behavior, heterogeneous porous medium properties. In this study, a modified version of UTCHEM, which includes a thermal module to model thermal recovery processes, was used to design steam assisted gravity drainage, low frequency electrical heating and hot water flooding periods and a geochemical module of UTCHEM was used for simulating chemical flooding part. Simulation results showed that a considerable increase in oil recovery is obtained when multiple SAGD well pairs are used. It is also observed that steam injection rate and heat loss have a significant influence on the steam assisted gravity drainage process. On the other hand, heat loss does not affect low frequency electrical heating method. It is deduced that low frequency electrical heating technique is not economically feasible and not very efficient to heat the reservoir. Therefore, low frequency electrical heating method can be used as a preheating application to lower the oil viscosity and, in turn, increase the injectivity in high viscous oil reservoirs. Finally, simulation results revealed that in the thermal-chemical process at the end of chemical flood, the amount of oil recovered is 80% of original oil in place (OOIP) where the oil recovery is only around 5% after hot water flooding. Thus, combining reservoir (pre)heating and chemical enhanced oil recovery methods has the potential to become a promising oil recovery method for heavy oil reservoirs.
Download or read book Numerical Simulation of Steam Injection Into a Compacting Reservoir Under Non Newtonian Flow Conditions written by Aquiles Jesus Rattia Regalado and published by . This book was released on 1980 with total page 242 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Petroleum Abstracts written by and published by . This book was released on 1995-03 with total page 606 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book An Introduction to Reservoir Simulation Using MATLAB GNU Octave written by Knut-Andreas Lie and published by Cambridge University Press. This book was released on 2019-08-08 with total page 677 pages. Available in PDF, EPUB and Kindle. Book excerpt: Presents numerical methods for reservoir simulation, with efficient implementation and examples using widely-used online open-source code, for researchers, professionals and advanced students. This title is also available as Open Access on Cambridge Core.
Download or read book American Doctoral Dissertations written by and published by . This book was released on 1987 with total page 532 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Fossil Energy Update written by and published by . This book was released on 1976 with total page 806 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Numerical Simulation of Steam Injection in Bitumen and Heavy Oil Reservoirs Phase I Part 2 written by and published by . This book was released on 1986 with total page 75 pages. Available in PDF, EPUB and Kindle. Book excerpt: The one-dimensional steam injection simulator, developed in part I of thiswork to track the movement of the steam front as it progresses through aone-dimensional core, is extended to two dimensions. Tha technique forhandling a dynamic grid, and the block-balance method used to develop thefinite-difference approximation to the governing equations, boundary conditions, and matching conditions (at tha steam front) are described inconsidera are presented forthe two-dimensional simulation. An extensive survey of ehe open literaturedescribing the physical properties of the Cold lake heavy oil dgposit,required for the numerical simulation of the oil recovery process, was alsocarried out. Tables of reported propeties are provided in the report, andvalues considered representative are summarized.
