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Nitrogen miscible flooding case studies

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Proceedings Papers

Paper presented at the 54th U.S. Rock Mechanics/Geomechanics Symposium, June 28–July 1, 2020
Paper Number: ARMA-2020-1035
..., A. A., Menouar, H., Muhammadain, A. M., & Mtawaa, B. (2009, January 1). Carbon Dioxide (CO2) Miscible Flooding in Tight Oil Reservoirs: A Case Study. Society of Petroleum Engineers. doi:10.2118/127616-MS 7. Belhaj, H., Abu Khalifeh, H. A., & Javid, K. (2013, April 15). Potential of Nitrogen Gas Miscible...
Proceedings Papers

Paper presented at the Abu Dhabi International Petroleum Exhibition & Conference, November 7–10, 2016
Paper Number: SPE-182892-MS
... is recorded to be up to 4.84% higher than nitrogen. The main advantage of liquid CO 2 can be expressed as the ability to recover heavier components as well as performing miscible displacement at lower pressure. As a result, considering the cases studied, low temperature injection seems to be always...
Proceedings Papers

Paper presented at the SPE/EAGE Reservoir Characterization and Simulation Conference, October 28–31, 2007
Paper Number: SPE-111411-MS
..., the system becomes miscible. The main purpose of this study is to investigate, the effect of temperature, composition of the reservoir fluid and injected gas, on the MMP of nitrogen injection in light oil reservoir by a simulator. The injected gas is pure Nitrogen or a combination of nitrogen with other gas...
Proceedings Papers

Paper presented at the SPE Unconventional Resources Conference, February 15–16, 2017
Paper Number: SPE-185037-MS
... became the superior option allowing for the full benefits of a miscible flood. ii. Incremental NPV When comparing the best NPV cases, all EOR processes showed an improved NPV over natural depletion when the average permeability was above 1 mD. In the 0.3-1 mD range, only nitrogen and CO 2...
Proceedings Papers

Paper presented at the Abu Dhabi International Petroleum Exhibition & Conference, November 11–14, 2019
Paper Number: SPE-197501-MS
... fluids develop miscibility with nitrogen, carbon dioxide, and hydrocarbon gas. The simulation studies involve a number of sensitivity runs performed on sector models, which are sufficiently fine-gridded to capture the compositional transition zone propagating between injector and producer pairs...
Proceedings Papers

Paper presented at the SPE/DOE Improved Oil Recovery Symposium, April 3–5, 2000
Paper Number: SPE-59327-MS
... of horizontal well that is in the producing formation adjacent to bottomwater layers for horizontal floods. Figure 3 (a) shows the effects of 5% nitrogen contamination in carbon dioxide gas stream. The figure depicts impact of the bottomwaters for Scheme-2 compared to the base case. The response...
Proceedings Papers

Paper presented at the SPE Trinidad and Tobago Section Energy Resources Conference, June 28–30, 2021
Paper Number: SPE-200984-MS
... of injecting fluid the fluid will bypass the trapped oil. The capillary forces do not allow the hydrocarbon to flow. Water flooding is an example of immiscible displacement. For miscible flooding purposes, different fluids have been injected such as CO2, Lean Gas, Enriched Gas, and Nitrogen depending upon...
Proceedings Papers

Paper presented at the SPE Canada Unconventional Resources Conference, March 13–14, 2018
Paper Number: SPE-189779-MS
... Workflow In this study, four recovery schemes were investigated: Natural depletion, Immiscible Nitrogen (N 2 ) flood, Miscible Carbon Dioxide (CO 2 ) flood, and Huff n Puff CO 2 injection. In a previous study ( Joslin et. al., 2017 ), the authors had investigated the use of water flooding as an EOR...
Proceedings Papers

Paper presented at the SPE Reservoir Characterisation and Simulation Conference and Exhibition, September 17–19, 2019
Paper Number: SPE-196716-MS
... a miscible flood. The simulations show that the maximum peak is reached at the MMP. Conclusions In this work, we have modelled and analyzed the phase behavior of two volatile oil systems with respect to nitrogen and carbon dioxide injection, as part of a reservoir simulation study, which...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 30–October 2, 2019
Paper Number: SPE-196162-MS
... vital, the injection strategies used in the next two core floods involve the injection of a non-condensable gas to increase the NGLM efficiency. A small slug (0.33 PV) of miscible NGLM was injected into the core and then displaced by a nitrogen drive until no more crude oil was produced in CF#2; while...
Proceedings Papers

Paper presented at the SPWLA 21st Formation Evaluation Symposium of Japan, October 13–14, 2015
Paper Number: SPWLA-JFES-2015-H
.... Under certain conditions, injected gas and reservoir oil become miscible. Interfacial tension between phases approaches zero in a miscible flood, in such conditions, phase boundary disappear and phases become miscible. Air, nitrogen, flue gas, carbon dioxide, and hydrocarbon gases have been utilized...
Proceedings Papers

Paper presented at the SPE EuropEC - Europe Energy Conference featured at the 83rd EAGE Annual Conference & Exhibition, June 6–9, 2022
Paper Number: SPE-209645-MS
... pressure. Otherwise, the conclusion of the nitrogen miscibility studies is that N 2 gas flooding is not a feasible EOR technique since MMP is far above reservoir pressure. Before completely discarding the use of nitrogen, miscibility of mixtures of HC rich gas and N 2 was first studied by PVT simulations...
Proceedings Papers

Paper presented at the SPE Nigeria Annual International Conference and Exhibition, August 1–3, 2022
Paper Number: SPE-211973-MS
... process is a method of EOR that uses gas (natural gas, nitrogen(N 2 ) or carbon dioxide(CO 2 )) that expands in a reservoir to displace additional oil to the producing well (Nnaemeka, 2010).There are the miscible and immiscible gas flooding process. Miscible gas flooding is more effective in increasing...
Proceedings Papers

Paper presented at the SPE Eastern Regional/AAPG Eastern Section Joint Meeting, October 11–15, 2008
Paper Number: SPE-117775-MS
... of less than 2% by primary and secondary recovery methods, the oil recovery in the greater Monument Butte area may be improved using tertiary recovery methods that feature miscible displacement. Candidate tertiary methods are water alternating with gas (WAG), CO 2 flooding, nitrogen injection, or methane...
Proceedings Papers

Paper presented at the SPE/DOE Enhanced Oil Recovery Symposium, April 22–24, 1992
Paper Number: SPE-24134-MS
... Abstract Miscible gas flooding has been used for enhanced oil recovery for many years. Considerable data exists for CO2 and enriched hydrocarbon flooding so that screening criteria can be applied to determine when miscible flooding with these gases could be successful. However, for nitrogen...
Proceedings Papers

Paper presented at the SPE Middle East Oil and Gas Show and Conference, March 11–14, 2007
Paper Number: SPE-105785-MS
... of petroleum engineers Modeling & Simulation Compressibility Factor simulation study LOAI gas density chemical flooding methods implement light-oil air injection society production monitoring petroleum engineer malaysia group prod waterflooding reservoir surveillance comparison nitrogen...
Proceedings Papers

Paper presented at the SPE Gas Technology Symposium, June 13–15, 1988
Paper Number: SPE-17709-MS
... A and for model oil C, nitrogen miscibility was studied both by slim-tube and by cell-to-cell step-wise enrichment. The most important data are given in Table 1. Table 2 lists displacement data in some more detail than can be had from Figures 4 and 5. Complete flood data are available for simulation putposes. MMP...
Proceedings Papers

Paper presented at the North Africa Technical Conference and Exhibition, April 15–17, 2013
Paper Number: SPE-164774-MS
... Abstract This study evaluated the potential for application of miscible nitrogen injection to South East assets in Abu Dhabi which include three giant onshore oil fields. MMP (Minimum miscibility pressure) for different N2- oil systems was determined as a key criterion for screening. CMG...
Proceedings Papers

Paper presented at the International Petroleum Technology Conference, December 10–12, 2014
Paper Number: IPTC-17756-MS
... that that the upper technical limit is honored at above the MMP. This was tested in both a fine scale three-dimensional sector model and a coarse grid model for a reservoir. Table 2 summarizes the sub-sector and the full field properties for Field A . For this study, nitrogen was assumed to be the miscible injectant...
Proceedings Papers

Paper presented at the SPETT 2012 Energy Conference and Exhibition, June 11–13, 2012
Paper Number: SPE-156924-MS
... displacement may be either miscible or immiscible, depending on the pressure, temperature and oil composition. Because of its low cost, large volumes of nitrogen maybe injected. Nitrogen can also be considered for use as a chase gas in hydrocarbon miscible or carbon dioxide floods. Nitrogen is inferior...

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