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Keywords: co 2
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Proceedings Papers

Paper presented at the SPE Canada Unconventional Resources Conference, September 28–October 2, 2020
Paper Number: SPE-200001-MS
... illustrated promising results in terms of recovery factor for different EOR applications, such as CO 2 , surfactant, and natural gas. However, pilot tests performance reported contrast behavior due to misleading predicting for the EOR physics processes. This paper presents the experimental work to evaluate...
Proceedings Papers

Paper presented at the SPE Canada Unconventional Resources Conference, March 13–14, 2018
Paper Number: SPE-189788-MS
... Abstract Due to its superior properties in releasing hydrocarbons while reducing carbon foot-print, CO 2 injection has been considered a promising technique for Enhanced Recovery in tight/shale reservoirs. However, although it has the potential to increase reserves, CO 2 does not necessarily...
Proceedings Papers

Paper presented at the SPE Canada Unconventional Resources Conference, March 13–14, 2018
Paper Number: SPE-189779-MS
... method achieved optimal NPV values at the closest well spacing. The cyclic process, which used CO 2 for the injected fluid, produced its optimal NPV at a closer fracture spacing when compared to the other 3 methods. Additionally, the Huff n Puff process required further optimization on cycle time...
Proceedings Papers

Paper presented at the SPE Canada Unconventional Resources Conference, March 13–14, 2018
Paper Number: SPE-189804-MS
... during huff period. For the field scale study, most gas is penetrated to the stimulated reservoir volume (SRV). For the reservoir with the hydraulic fracture spacing of 600ft, the CO 2 penetration depth is about 105.6 ft at 100 days’ huff time in the first huff-n-puff cycle, covering about 36...
Proceedings Papers

Paper presented at the SPE Canada Unconventional Resources Conference, March 13–14, 2018
Paper Number: SPE-189785-MS
... in these complex plays is inevitable. In shale oil reservoirs, EOR is relatively novel compared with in conventional oil reservoirs. The most investigated technique among EOR methods to be applied in shale oil reservoirs is injecting miscible gases which mainly include CO 2 , N 2 and enriched natural gases...
Proceedings Papers

Paper presented at the SPE Unconventional Resources Conference, February 15–16, 2017
Paper Number: SPE-185054-MS
... at the core-scale with carbon dioxide (CO 2 ) and krypton (Kr) using X-ray computed tomography (CT) with voxel dimensions of 190×190×1000 μm. Also, 2D tiled images were acquired using a scanning electron microscope (SEM) and stitched together to form one-inch diameter mosaics with a pixel resolution of 1.5 μm...
Proceedings Papers

Paper presented at the SPE Unconventional Resources Conference, February 15–16, 2017
Paper Number: SPE-185047-MS
... Abstract This paper presents comprehensive rock-fluid experiments to study the possibility of oil recovery improvement when CO 2 is injected as a fracturing fluid in the Montney tight-oil play, located in the Western Canadian Sedimentary Basin. This study consists of four phases: In phase 1...
Proceedings Papers

Paper presented at the SPE Unconventional Resources Conference, February 15–16, 2017
Paper Number: SPE-185034-MS
... Abstract The purpose of this work is to perform an improved method to optimize different CO 2 Enhanced Oil Recovery (EOR) processes in unconventional liquid reservoirs, particularly in the volatile oil region of the Eagle Ford shale. Previous simulation studies of CO 2 EOR...
Proceedings Papers

Paper presented at the SPE Unconventional Resources Conference, February 15–16, 2017
Paper Number: SPE-185033-MS
... Abstract Carbon dioxide (CO 2 ) and other greenhouse gas (GHG) emissions have become a major challenge globally, and particularly for the oil and gas industry. Carbon capture, utilization and storage (CCUS) is one of the options to reduce the amount of anthropogenic CO 2 entering...
Proceedings Papers

Paper presented at the SPE Unconventional Resources Conference, February 15–16, 2017
Paper Number: SPE-185062-MS
.... Application of the findings of this study to actual field scenarios will be presented as a separate work. thermal method hydraulic fracturing shale reservoir SAGD Modeling & Simulation Upstream Oil & Gas grid block fluid type huff-n-puff efficiency co 2 huff-n-puff result relative...
Proceedings Papers

Paper presented at the SPE Unconventional Resources Conference, February 15–16, 2017
Paper Number: SPE-185037-MS
... the objectives, both black oil and compositional simulation models were generated for a Western Canadian tight reservoir containing volatile oil. In addition to primary, the EOR recovery processes that were considered include waterflooding, immiscible-N 2 and miscible-CO 2 gas flooding. Combinations...
Proceedings Papers

Paper presented at the SPE Unconventional Resources Conference, February 15–16, 2017
Paper Number: SPE-185066-MS
... Upstream Oil & Gas thermal method gas injection different gas co 2 huff-n-puff gas injection reservoir enhanced recovery gas injection method cyclic gas injection experiment huff-n-puff eor shale oil reservoir Modeling & Simulation steam-assisted gravity drainage shale reservoir...
Proceedings Papers

Paper presented at the SPE/CSUR Unconventional Resources Conference, October 20–22, 2015
Paper Number: SPE-175969-MS
... Abstract As a result of poor fluid delivery in tight oil reservoirs, oil production drops rapidly at early stages of depletion development. While water flooding only boosts production to a limited extent, CO 2 miscible flooding seems a promising technique in improving tight oil recovery...
Proceedings Papers

Paper presented at the SPE/CSUR Unconventional Resources Conference, October 20–22, 2015
Paper Number: SPE-175952-MS
.... The ultra-tight nature of the formation causes fast decline of the production and small recovery factors. Application of EOR techniques such as CO 2 flooding, among other techniques, can potentially improve the recovery of Chattanooga reservoirs. Characterization of these reservoirs is therefore...

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