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Keywords: sweep efficiency
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Journal Articles
Journal of Canadian Petroleum Technology 50 (09): 82–94.
Paper Number: SPE-140141-PA
Published: 13 September 2011
...-cake reservoir with a given injection and production rate was combined with a particle-detachment model to provide a simple analytical model for the process. The application of the model to an example data set showed that the induced fines migration may improve sweep efficiency. 8 3 2011 23 5...
Journal Articles
Journal of Canadian Petroleum Technology 49 (12): 49–56.
Paper Number: SPE-133471-PA
Published: 01 December 2010
... polymer. In this study, the effect of elasticity of polymer-based fluids on the microscopic sweep efficiency is investigated by injecting two polymer solutions with similar shear viscosity, but significantly different elastic characteristics. Blends of various grades of polyethylene oxide (PEO) with...
Journal Articles
Journal of Canadian Petroleum Technology 49 (10): 75–82.
Paper Number: SPE-141650-PA
Published: 01 October 2010
... Intelligence injector hybrid technique sweep efficiency slug size co 2 WAG ratio producer miscible method Engineering reservoir pressure wag scheme production-injection scheme WAG process Oil Recovery Injection Rate reservoir optimization process injection October 2010, Volume 49, No. 10...
Journal Articles
Journal of Canadian Petroleum Technology 39 (10).
Paper Number: PETSOC-00-10-01
Published: 01 October 2000
...- ous destabilizing effect of gas override on combustion and dis- placement performance. Secondly, Garon et al.(3) investigated sweep efficiency for both air and oxygen injection. They conclud- ed that the 3D scaled model experiments were an effective method for determining the effect of various...
Journal Articles
Journal of Canadian Petroleum Technology 39 (08).
Paper Number: PETSOC-00-08-03
Published: 01 August 2000
... results are then used for field applications. The two important parameters that must be understood before field application, are sweep efficiency and combustion front stability, which cannot be obtained from combustion tubes due to their one dimensional geometry. 1 8 2000 1 8 2000 2000...
Journal Articles
Journal of Canadian Petroleum Technology 38 (13).
Paper Number: PETSOC-99-13-36
Published: 01 December 1999
... recovery temperature distribution plane SAGD crude sweep efficiency steam-assisted gravity drainage sand pack producer horizontal producer well configuration configuration vertical-vertical configuration fuel consumption combustion thermal method Upstream Oil & Gas experiment centre...
Journal Articles
Journal of Canadian Petroleum Technology 37 (02).
Paper Number: PETSOC-98-02-03
Published: 01 February 1998
... production to those obtained from laboratory core tests, assuming equivalent conditions of wettability and dis- placement history, the reservoir observed values will be different due to different sweep efficiencies. A number of factors are involved. As discussed earlier, the reservoir Sgt values themselves...
Journal Articles
Journal of Canadian Petroleum Technology 37 (01).
Paper Number: PETSOC-98-01-DA
Published: 01 January 1998
...) In an unfavourable mobility ratio situation (M >), the late time slope of the graph is primarily controlled by the oil water relative permeability curves; therefore, volumetric sweep efficiency can be derived from this plot. (2) In a favourable mobility ratio situation (M (1), the late time slope...
Journal Articles
Journal of Canadian Petroleum Technology 36 (04).
Paper Number: PETSOC-97-04-DAS
Published: 01 April 1997
..., it is easy to interpret a waterflood failure as being due to poor displacement efficiency when actually poor volumetric sweep efficiency may be the primary reason for the problems. Therefore, to reduce the chances of misinterpretation it is important to understand the amount and distribution of...
Journal Articles
Journal of Canadian Petroleum Technology 35 (04).
Paper Number: PETSOC-96-04-05
Published: 01 April 1996
... line drive. The volumetric sweep efficiencies calculated from the vertical and horizontal temperature profiles were generally in good agreement with the measured oil recovery values, indicating almost complete recovery of oil from the swept regions of the sandpack. The oil produced by in situ...
Journal Articles
Journal of Canadian Petroleum Technology 34 (04).
Paper Number: PETSOC-95-04-04
Published: 01 April 1995
... hydrocarbon miscible floods, it is highly desirable to be able to assess the project performance. Factors of interest include pool-wide fluid movements, local fluid distribution, sweep efficiency and displacement characteristics, as well as the prediction of future performance under different operating...
Journal Articles
Journal of Canadian Petroleum Technology 32 (09).
Paper Number: PETSOC-93-09-05
Published: 01 September 1993
...T. Zhu; D. Tiab A new selective plugging process has been developed for improving volumetric sweep efficiency and thus, the enhancement of recovery from oil reservoirs. The new process is based on the theory of "salting out" in which a non-electrolyte is added to water to reduce the solubility of...
Journal Articles
Journal of Canadian Petroleum Technology 32 (04).
Paper Number: PETSOC-93-04-04
Published: 01 April 1993
... of Canada steam-assisted gravity drainage horizontal producer well experiment situ combustion enhanced recovery drilling operation sandpack sweep efficiency thermal method Directional Drilling vertical injector recovery configuration midplane SAGD Upstream Oil & Gas run 01...
Journal Articles
Journal of Canadian Petroleum Technology 32 (02).
Paper Number: PETSOC-93-02-05
Published: 01 February 1993
... the major findings were: 1. Vertical sweep efficiency was determined to be 60%. 2. Mineral reactions were confirmed and found to be a factor responsible for decreased absolute permeability. 3. The dissolution of feldspar may have contributed to suppressing the degree of swelling clay formation. 4...
Journal Articles
Journal of Canadian Petroleum Technology 30 (01).
Paper Number: PETSOC-91-01-02
Published: 01 January 1991
... Society of Canada emulsification mechanism crude oil Upstream Oil & Gas emulsion sweep efficiency Injection Rate reversal enhanced recovery concentration recovery entrainment enhanced oil recovery interfacial tension chemical flooding methods Oil Recovery Brine LABORATORY study...
Journal Articles
Journal of Canadian Petroleum Technology 27 (06).
Paper Number: PETSOC-88-06-05
Published: 01 November 1988
... results provided useful clues about interwell reservoir characteristics, relative fluid velocity and reservoir sweep efficiency. In addition, important information about gravity override was provided by various production logs. The results of this evaluation indicated problems with early solvent...
Journal Articles
Journal of Canadian Petroleum Technology 27 (06).
Paper Number: PETSOC-88-06-12
Published: 01 November 1988
... areal and vertical sweep efficiency is the volumetric sweep efficiency, which is the portion of the total reservoir volume that is contacted by injected water and which ranges from 20% to 90%. 1 11 1988 1 11 1988 1988. Petroleum Society of Canada waterflooding Alberta recovery...
Journal Articles
Journal of Canadian Petroleum Technology 26 (04).
Paper Number: PETSOC-87-04-08
Published: 01 July 1987
... investigated. A gamma-ray attenuation technique was adapted to track the shapes of the moving displacement front and monitor in-situ saturation profiles. The results show that high gas mobility and low density lead to early gas breakthrough and poor sweep efficiency. Even in miscible liquid-liquid...
Journal Articles
Journal of Canadian Petroleum Technology 24 (06).
Paper Number: PETSOC-85-06-06
Published: 01 November 1985
... Darcy's Law and uses easy-to-determine reservoir factors such as production, reservoir pressure, and the time to breakthrough. The procedure uses a qualitative method for determining vertical sweep efficiencies based on changes in gamma ray response. The new analysis procedure can be used as a guide in...
Journal Articles
Journal of Canadian Petroleum Technology 24 (03).
Paper Number: PETSOC-85-03-03
Published: 01 May 1985
... of the entrapped bitumen makes conventional recovery by pumping virtually impossible. Most in-situ processes thus involve heating the oil sand with pressurized steam or by controlled combustion. Two common problems associated with these processes however, appear to be the poor sweep efficiency and...

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