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Immiscible Gas Injection in Oil Reservoirs

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Proceedings Papers

Paper presented at the SPE Improved Oil Recovery Conference, April 14–18, 2018
Paper Number: SPE-190158-MS
... and the utilization volume of injection gas. For the biggest CO 2 immiscible flooding project, the Bati Field injected 352.8 Bscf CO 2 into the reservoir, even though only an additional 6% of oil was produced. This project is considered as a great success for the implementation of CO 2 immiscible displacement...
Proceedings Papers

Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE International Conference on Oilfield Chemistry, December 6–7, 2021
Paper Number: SPE-204294-MS
... remediation of hydrates asphaltene instability fakher reservoir asphaltene filter membrane imqam pore size immiscible pressure petroleum engineer oil recovery Introduction Gas injection was widely implemented in the oil industry to increase oil recovery. The main mechanisms increased by gas...
Proceedings Papers

Paper presented at the Trinidad and Tobago Energy Resources Conference, June 27–30, 2010
Paper Number: SPE-132785-MS
... is considered as an effective method in enhanced oil recovery in hydrocarbon reservoirs, another method i.e. immiscible heated water alternating heated carbone dioxide gas (immiscible heated WAG) injection is employed too. In this new process aim of injecting heated fluids is effecting heavy and semi heavy...
Proceedings Papers

Paper presented at the Abu Dhabi International Petroleum Exhibition & Conference, November 13–16, 2017
Paper Number: SPE-188243-MS
... injection method lean hc gas producer SWAG pilot injection miscible method Injection Case HC gas configuration enhanced recovery injection scheme Oil Recovery well configuration reservoir Upstream Oil & Gas simulation study evaluation water injection recovery uplift Figure 2...
Proceedings Papers

Paper presented at the 54th U.S. Rock Mechanics/Geomechanics Symposium, June 28–July 1, 2020
Paper Number: ARMA-2020-1030
... ABSTRACT Immiscible carbon dioxide (CO 2 ) injection is an enhanced oil recovery (EOR) used to increase oil recovery from heavy oil reservoirs. This method has many advantages including the ability of the CO 2 to interact with the crude oil and reduce its viscosity to mobilize the crude oil...
Proceedings Papers

Paper presented at the SPE EOR Conference at Oil and Gas West Asia, March 26–28, 2018
Paper Number: SPE-190338-MS
.... The experiments were performed under reservoir conditions using live crude oil. The core wettability was restored by ageing the core in crude oil for several weeks under reservoir temperature. Hydrocarbon gas was used as the immiscible injectant, and CO2 was used in the miscible experiments. To study the impact...
Proceedings Papers

Paper presented at the SPE Western Regional Meeting, April 23–27, 2017
Paper Number: SPE-185732-MS
... to accumulating the injected gas at the top of the reservoir. The oil recovery factor through the immiscible GAGD process in a 10 years of prediction period is only 15%. In addition, the GAGD process has led to a faster oil production than the primary case. This fact can be easily identified in Figure 15...
Proceedings Papers

Paper presented at the SPE Improved Oil Recovery Conference, April 14–18, 2018
Paper Number: SPE-190183-MS
... and horizontal reservoir core flood experiments, were used to investigate the role of gravity forces in improving oil recovery under different conditions regarding the crude oil – CO 2 miscibility. Minimum miscibility pressure (MMP) is one of the most crucial parameters in any gas injection project...
Proceedings Papers

Paper presented at the SPE Improved Oil Recovery Symposium, April 14–18, 2012
Paper Number: SPE-154170-MS
... enhanced recovery upstream oil & gas flue gas drainage rate gas injection method displacement experiment modeling & simulation fluid dynamics gravity drainage nitrogen fracture matrix block fractured reservoir reservoir flow in porous media immiscible co 2 society...
Proceedings Papers

Paper presented at the Abu Dhabi International Petroleum Exhibition & Conference, November 12–15, 2018
Paper Number: SPE-193214-MS
... Modeling & Simulation recovery mechanism Pilot Test reservoir simulation artificial intelligence incremental oil evaluation gas flooding evaluation gas breakthrough gas injection Reservoir Engineer production performance The Lower Miocene reservoir in Rang Dong field...
Proceedings Papers

Paper presented at the SPE Western Regional Meeting, April 23–27, 2017
Paper Number: SPE-185655-MS
... Abstract The Elk Hills field has produced more than 1.9 billion barrels of oil equivalent with 555 million barrels from the Eastern Shallow Oil Zone (ESOZ) since discovery in 1919. The longevity and success of the ESOZ reservoir is attributed to the introduction of immiscible gas injection...
Proceedings Papers

Paper presented at the SPE EOR Conference at Oil and Gas West Asia, March 26–28, 2018
Paper Number: SPE-190355-MS
...% of Initial Oil in Place (IOIP). The CGI is preferred to be adopted in water-wet reservoirs within the immiscible mode ( Rogers and Grigg, 2000 ). The Water Alternating Gas injection (WAG) process has been firstly proposed in 1958 to improve miscible displacement efficiency by water slugs after the CO 2...
Proceedings Papers

Paper presented at the International Oil and Gas Conference and Exhibition in China, June 8–10, 2010
Paper Number: SPE-130593-MS
... of the reservoir in both the immiscible and miscible modes. Base case runs are obtained through combinations of the vertical CO 2 gas injection (GI) and the horizontal oil production wells in both the immiscible and miscible CO 2 EOR processes and compared with the other runs with which the parameters...
Proceedings Papers

Paper presented at the International Petroleum Technology Conference, November 14–16, 2016
Paper Number: IPTC-18816-MS
... relative permeability results were obtain from history matching the experimental data by using our in-house history matching software. The estimated gas/oil and water/oil relative permeability curves were then used to simulate the results of immiscible gas and water injection under different injection...
Proceedings Papers

Paper presented at the Abu Dhabi International Petroleum Exhibition and Conference, November 9–12, 2015
Paper Number: SPE-177505-MS
... that there is a potential to enhance the microscopic sweep efficiency through gas injection even if the gas is immiscible with reservoir fluid. At a microscopic scale, the injected gas swells oil and decreases the IFT, but the impact of these factors on oil recovery needs to be evaluated at a core scale. Steady-state...
Proceedings Papers

Paper presented at the Canadian International Petroleum Conference, June 17–19, 2008
Paper Number: PETSOC-2008-021
... enhanced recovery simultaneous injection viscosity oil recovery viscosity reduction mpa flue gas single co 2 co 2 medium oil saturation pressure wag cycle injection immiscible co 2 waterflood upstream oil & gas pvt measurement ioip slug reservoir fluid 1 PAPER 2008-021...
Proceedings Papers

Paper presented at the SPE Enhanced Oil Recovery Conference, July 2–4, 2013
Paper Number: SPE-165210-MS
... & Gas concentration co 2 injection immiscible flooding heavy oil Oil Recovery heavy oil reservoir reservoir The early laboratory tests of CO 2 immiscible flooding were carried out during 1948 to 1952. Several hundred laboratory flood tests were conducted by Earlougher Engineering. Most...
Proceedings Papers

Paper presented at the OTC Brasil, October 24–26, 2017
Paper Number: OTC-28008-MS
.... The stage of adjusting pseudo relative permeability curves (gas-oil in this case, because it is the injection of only gas in oil reservoir) is equivalent to a task of history matching. In this case, starting from the coarser model, 100 × 100 m2, miscible fluid model was replaced by the immiscible one...
Proceedings Papers

Paper presented at the SPE Oil and Gas India Conference and Exhibition, January 20–22, 2010
Paper Number: SPE-126234-MS
... volumetric sweep spe 126234 upstream oil & gas central block reservoir pressure The present work deals with the recovery by air injection in one of the clastic light oil reservoir in Field - A of one of the western on-shore Assets of ONGC, India. Areal extent of the field is 16.5 km 2...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 30–November 2, 2011
Paper Number: SPE-147241-MS
... thus promoting residual and capillary trapping. Oil recovery occurs through the processes of water and immiscible gas drive. Our simulation grid represents a 89 000 m 2 (22-acre) spacing between injection and producer within the S-759 area shown in Figure 1 . Reservoir permeability...

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