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IOR 1995 - 8th European Symposium on Improved Oil Recovery
- Conference date: 15 May 1995 - 17 May 1995
- Location: Vienna, Austria
- ISBN: 978-94-6282-125-5
- Published: 15 May 1995
61 - 80 of 87 results
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The Alkaline-Surfactant-Polymer Combination Flooding and Application to Oilfield for EOR
Authors C. Yang, H. Dakuang, Y. Hong, L. Zhuhong, J. Wenle, T. Shanyu, S. Wanchao, S. Juanhua and L. RenjunSummary not available
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Low-Cost Foam Surfactant from Wood Pulping By-Products
Authors W. T. Osterloh and M. J. JanteWe report the results of laboratory experiments designed to evaluate the performance of the sodium salt of tall oil acid, TOA, as a foam surfactant. The objective of the experiments was to determine if this inexpensive by-product could be used to reduce the chemical costs of the foam mobility control process.
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The Technical Performance and Interpretation of Results from a Large Scale Na-Silicate Gel Treatment of a Production Well on the Gullfaks Field
Authors T. A. T. Lund, H. I. Berge, S. Espedal, R. Kristensen, T. A. Rolfsvag and G. StroemsvikThe development program for processes to reduce watercut during production of the lower Brent reservoir unit of the Gullfaks field culminated by a large scale injection of alkaline Na-silicate gel in a lower Brent production well during summer 1993. The operation was prepared and designed through an extensive laboratoiy program as well as small scale onshore field tests.
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*The Effect of Velocity and Interfacial Tension on the Relative Permeability of Gas Condensate Fluids in the Wellbore Region
Authors G. D. Henderson, A. Danesh, D. Tehrani and J. M. PedenHigh pressure core flood experiments using gas condensate fluids in long sandstone cores have been conducted to determine the effect of flow rate and interfacial tension (IFT) on relative permeability. The experimental data are intended to be applied to near wellbore flow in gas condensate reservoirs, as viscous forces increase over capillary during the course of the tests.
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*Depletion of Gas-Condensate Low Permeability Reservoirs (Höflein Field, Vienna Basin)
Authors K. T. Potsch, W. Liebl and P. BedrikovetskyThis paper combines theoretical, experimental and field data of a low permeable gas condensate reservoir Static laboratory experiments - constant composition expansion (CCE) and constant volume depletion (CVD) - are compared with dynamic depletion experiments from artificial sandpacks. Additionally, calculations from a PVT package and field data from the production history are also included.
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*The Effects of Interfacial Tension and Spreading on Relative Permeability in Gas Condensate Systems
Authors P. K. Munkerud and O. TorsaeterIn this paper the results of a series of flow experiments performed on a gas condensale system will be presented.
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**Application of Control Theory to Optimize Horizontal Well Location Producing from a Thin Oil Zone
Authors G. A. Virnovsky and H. KleppeProduction from reservoirs consisting of an oil layer sandwiched between a gas cap and bottom water has always been a challenging task for petroleum engineers because of the coning problems.
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**Development of the Slumped Crestal Area of the Brent Reservoir, Brent Field/An Integrated Approach
Authors S. D. Coutts, S. Y. Larsson and R. RosmanThis paper describes the various studies undertaken to formulate a development plan for the ±13 million m³ (80 MMstb) of oil reserves in the slumps of the Brent Reservoir and presents initial well results.
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Screening Criteria for the Application of Steam Injection and Horizontal Wells
Authors C. Palmgren and G. RenardTechnical and economic problems of efficient development of heavy oil resources receive large attention in all countries where these resources are abundant. This is particularly the case in Canada and Venezuela where some 70 per cent of the world reserves of heavy oil are located.
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High Pressure Combustion Tube Performance of Light Oils
Authors D. L. Tiffin and D. V. YannimarasThe research documented here is a systematic study of the effects of pressure on the air injection process for light oils in an adiabatic combustion tube. Tests were conducted at pressures up to 37.2 MPa. The purpose of this research is to study prospects of enhancing oil rates and recoveries by air injection, with particular appllication to large high pressure reservoirs in remote locations where conventional injectants are not available.
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Qarn Alam: Application of Simulation for Steam Pilot Design in a Fractured Reservoir
Authors M. Hartemink, B. M. Escovedo, J. E. Hoppe and R. MacaulayLate in 1995 a steam-injection pilot project will be initiated in the Qarn Alam field in Oman. The objective is to test the steam-enhanced gas-oil gravity drainage of the heavy oil remaining in the matrix of the fractured carbonate Shuaiba reservoir.
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New Cyclic Technology for Thermal Treatment of Complicated Formations
Authors V. T. Kudinov, V. S. Kolbikov, M. I. Datsik, N. M. Zubov and V. V. VolkovaThe idea of artificial change of formation temperature to increase oil production has a long history. since the beginning of the 20th century. Different methods and technologies to heat heavy oil has being created and implemented in deferent scales. This methods compose of three main trends: - producing wells bottom-hole thermal treatment; - formation treatment by beat carriers injection and; - in-situ combustion process.
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Possibilities for Enhancing Oil Recovery by Hot Water Injection
Authors V. V. Popp, G. Ciuca and V. C. BuiacThe paper presents briefly the research and design works for achieving a hot water injection experimental plant.
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Recovery of Residual Light Oil from Waterflooded Reservoirs Using Horizontal Wells - Insitu Combustion Process
Authors M. Greaves and M. Ben RahilPreliminary 3D tests have been performed to physicaily simulate light oil in situ combustion (ISC) under waterflooded conditions
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An Investigation of Noncondesible Gas-Steam Injection for Heavy Oil Recovery
More LessPerformance of steamflooding process can be improved by the use of noncoridensable gases such as CO2 or rnethane. Improving steam injectivity, increasing the size of the heated areas and providing additional drive energy are several beneficial effects of the combined use of steam and gases.
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A Percolation Based Upscaling Technique for Viscous Force Dominated Waterflooding in Uncorrelated Heterogeneous Reservoirs
Authors P. Bedrikovetsky and J. BruiningWe present a percolation model of relative permeability for the case where viscous forces are dominant.
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40 Years Experience of Romashkino Oil Field Development in Tatarstan: Improvements of Water Flooding
Authors R. G. Galeev, R. Kh. Muslimov, R. N. Diyashev and A. F. BlinovThe system of contour water-flooding was for the first time introduced in Romashkino oil field, occupying the territory of about 4300 sq.km. The field was divided into 21 independent areas of development by rows of injection wells. This allowed to bring into development the largest fleid by accelerated rates with reasonable economic costs. The following improvement of water-flooding system allowed to achieve oil recovery factor of 47.7% by the beginning of 1994. Currently developed technological solutions for improvement of water flooding will allow to achieve oil recovery factor of about 53%.
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Predicting Water Cut - A Geological Profile
Authors A. W. Mitchell and D. W. SherrardThe Wytch Farm Oilfield produces ≈95rnstb/d oil from a Triassic fluvial sandstone reservoir. Water cut has increased over recent years at a rate of 1500b/d/month.
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Water and Surfactant Flooding in Low Permeable Chalk Studied by X-Ray CT Scanning
Authors E. H. Stenby, T. O. Hansen, F. Engstroem and M. T. BieberDisplacement processes of oil by water in low-permeable reservoir chalk from the Danish part of the North Sea have been studied by use of x-ray CT-scanning.
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