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5.4 Improved and enhanced recovery

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Proceedings Papers

Paper presented at the Canadian International Petroleum Conference, June 16–18, 2009
Paper Number: PETSOC-2009-023
.... The effect of heterogeneity on Enhanced Gas Recovery (EGR) in a system containing two non-communicating intervals was investigated with two parallel 2 m sand-packs of 5.4 and 2 Darcies (D). Methane was recovered by injection of either CO2, or flue gas from this heterogeneous system. The effect of gravity...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 23–25, 2018
Paper Number: URTEC-2902837-MS
... core samples into geocellular and simulation models at multiple scales. The objective of this effort was to improve the accuracy of modeling approaches for predicting potential incremental oil production through carbon dioxide (CO2)-based enhanced oil recovery (EOR) in unconventional tight oil...
Proceedings Papers

Paper presented at the SPE Western Regional Meeting, April 23–26, 2019
Paper Number: SPE-195270-MS
... reservoir candidates for improved oil recovery/enhanced oil recovery (IOR/EOR) methods. This workflow integrates rigorous analysis of production/injection data with understanding of reservoir geology and petrophysics. Firstly, based on screening criteria including reservoir properties and volumetric...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 9–11, 2017
Paper Number: SPE-187211-MS
... Abstract CO 2 injection is an effective enhanced oil recovery (EOR) method in unconventional oil reservoirs. However, the investigation of CO 2 Huff-n-Puff in tight oil reservoirs with nanopore confinement is lacking in the petroleum industry. The conventional models need to be modified...
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Comparison of EnCana's original operation (Scenario 1) and a modified coinj...
Published: 26 February 2015
Fig. 20 Comparison of EnCana's original operation (Scenario 1) and a modified coinjection process (Scenario 2) for the Senlac SAP pilot. (a) Cumulative-oil-production histories. (b) Distributions of the L -phase saturation at the end of two SAP cases: Scenario 1 is given on the left, and Scenario... More
Proceedings Papers

Paper presented at the North Africa Technical Conference and Exhibition, February 20–22, 2012
Paper Number: SPE-150454-MS
.... This results from the fact that all reservoirs are heterogeneous to some degree or other ( El-Feky, 1987 ) On the other hand, a polymer flood may be used to enhance oil recovery from a reservoir by improving reservoir sweep and reducing the amount of injection fluid needed to recover a given amount of oil...
Proceedings Papers

Paper presented at the SPE Europec featured at 80th EAGE Conference and Exhibition, June 11–14, 2018
Paper Number: SPE-190796-MS
... on Improved Oil Recovery, IOR . https://doi.org/10.3997/2214-4609.20142603 Sorbie , K.S. , 1991 . Polymer-improved oil recovery . Blackie . Suman , Y.K. , Shirif , E. , Ibrahim , H. , Ala-Ktiwi , A. , 2013 . Evaluation of Low Saline "Smart Water" Enhanced Oil Recovery...
Proceedings Papers

Paper presented at the SPE Enhanced Oil Recovery Conference, July 2–4, 2013
Paper Number: SPE-165270-MS
... differential maximum recoveries at the MMP (2150 psi) Figure 3 Enhance oil recovery (5.4%) due to low salinity (1885 ppm) brine flood. The original brine salinity is 18850 ppm. Figure 4 Enhanced oil recoveries (ROIP) from CO 2 -WAG flooding. (a) EOR vs. pore volumes injected for connate...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 3–6, 2010
Paper Number: OTC-20907-MS
... stimulation technology thermal method oil production oil recovery viscosity heavy oil reservoir sagd enhanced recovery flue gas OTC 20907 Improve Offshore Heavy Oil Recovery by Compound Stimulation Technology Involved Thermal, Gas and Chemical Methods Liu Yigang, Yang Hailin, Zhao Lichang, Sun...
Proceedings Papers

Paper presented at the SPE Heavy Oil Conference-Canada, June 11–13, 2013
Paper Number: SPE-165430-MS
... Abstract Due to its low cost, excellent injected performance and good blocking capacity for high permeability zones, polymer/gel enhanced foam flood has been proven as an efficient method to improve oil recovery. This paper presents an optimization study of the slug size of polymer enhanced...
Proceedings Papers

Paper presented at the SPE Enhanced Oil Recovery Conference, July 19–20, 2011
Paper Number: SPE-143300-MS
..., Mature Reservoirs " Vol. 17 , Symposium on Improved Oil Recovery - Budapest , Hungary , 25-27 April 2005 . Sorbie , Kenneth S. "Polymer Improved Oil Recovery" Springer , 2000 . Thomas S. , " Enhanced Oil Recovery - An Overview " Oil & Gas Science and Technology - Rev. IFP...
Proceedings Papers

Paper presented at the SPE Improved Oil Recovery Symposium, April 12–16, 2014
Paper Number: SPE-169110-MS
... dioxide in water foams for enhanced oil recovery ", paper SPE-154285 presented at the eighteenth SPE Improved Oil Recovery Symposium held in Tulsa, Oklahoma, USA , 14-18 April 2012 . 9. J. Yu , D. Mo , N. Liu , R. Lee " Study of the effect of different factors on nanoparticle...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 4–7, 2009
Paper Number: SPE-124215-MS
... thereafter, and continues through the seven-day test period. The improvement in the oil recovery of the OOIP (compared to the base fluid with no surfactant) ranged from 206 to 226%. These studies indicated very good enhanced recovery of the OOIP with addition of 0.5% by volume of Surfactant...
Proceedings Papers

Paper presented at the SPE International Heavy Oil Conference and Exhibition, December 10–12, 2018
Paper Number: SPE-193676-MS
... of adding CO 2 and ethane to improve the recovery rate. The results show that the recovery of Athabasca tar sands can be greatly improved by adding CO 2 or ethane to the steam. He also believes that the reasons for enhanced oil recovery include: the increase of sweep coefficient, the mechanism...
Proceedings Papers

Paper presented at the International Oil Conference and Exhibition in Mexico, August 31–September 2, 2006
Paper Number: SPE-103988-MS
... and the challenge in finding new resources. In recent decades, new ways to improve production methods and enhancing the recovery factor from reservoirs have been attempted. Considering an increase in the different techniques of improving the recovery processes and the imperativeness of efficient recovery from...
Proceedings Papers

Paper presented at the SPE EOR Conference at Oil and Gas West Asia, March 21–23, 2016
Paper Number: SPE-179768-MS
... Abstract Enhanced oil recovery has become a hot topic nowadays. Low-salinity water (LSW) and alkaline flooding are known as two efficient improved oil-recovery techniques to unlock residual oil. An enhanced oil recovery (EOR) project's success will be endangered when the production target...
Proceedings Papers

Paper presented at the Annual Technical Meeting, June 9–12, 1990
Paper Number: PETSOC-90-78
... separator oil gas injection method steam-assisted gravity drainage coreflood reservoir gas utilization sagd recombined oil enhanced recovery immiscible condition thermal method article begin saturation natural gas huff injection upstream oil & gas society of petroleum...
Proceedings Papers

Paper presented at the SPE Improved Oil Recovery Conference, April 14–18, 2018
Paper Number: SPE-190230-MS
... Introduction Enhanced Oil Recovery (EOR) techniques offer the promise of improving oil recovery from existing oil fields. Most EOR techniques use existing well stock and basic infrastructure although they may require the installation of extra equipment to enable the injection of the chosen EOR fluid...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, June 20–22, 2022
Paper Number: URTEC-3701946-MS
... with proppant 40/70 (lower porosity), even if the frequency is 10 Hz. Unlike the tests performed with the same proppant granulometry with higher amplitude (5.4 MPa), we had an increase in the intrinsic permeability with quite high recovery rates. The unclogging process is observed by increasing the amplitude...
Proceedings Papers

Paper presented at the SPE Kingdom of Saudi Arabia Annual Technical Symposium and Exhibition, April 23–26, 2018
Paper Number: SPE-192358-MS
... nanocomposites polymer gel with enhanced mechanical and thermal stability can significantly reduce excess water production within high temperature reservoirs at lower costs than the currently available polymer gels. enhanced recovery Upstream Oil & Gas chemical flooding methods flow in porous media...

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