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Keywords: cold heavy oil production
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Proceedings Papers

Paper presented at the SPE Canada Heavy Oil Conference, September 28–October 2, 2020
Paper Number: SPE-199949-MS
... flooding methods bitumen complex reservoir reservoir characterization production monitoring sagd steam-assisted gravity drainage production control enhanced recovery cold heavy oil production flue gas operation drive process pressure drive upstream oil & gas injection process primary...
Proceedings Papers

Paper presented at the SPE Canada Heavy Oil Conference, September 28–October 2, 2020
Paper Number: SPE-199960-MS
... Abstract Primary Cold Heavy Oil Production with Sand (CHOPS) recovery factors are low (typically 8%) and most of the oil is left behind in the formation. Canadian Natural Resources Limited (Canadian Natural) is pursuing alternatives to primary recovery and secondary post CHOPS Enhanced Oil...
Proceedings Papers

Paper presented at the SPE Canada Heavy Oil Technical Conference, March 13–14, 2018
Paper Number: SPE-189729-MS
... Abstract Cyclic solvent injection (CSI) is a promising technology for enhanced production of heavy oil in post-CHOPS (Cold Heavy Oil Production with Sand) fields. The first stage of a CSI cycle involves the injection of solvent vapour, which re-energizes the reservoir and dissolves into oil...
Proceedings Papers

Paper presented at the SPE Canada Heavy Oil Technical Conference, March 13–14, 2018
Paper Number: SPE-189717-MS
... Abstract Cyclic solvent injection (CSI)—a non-thermal process option for development of post-CHOPS (cold heavy oil production with sand) heavy oil reservoirs—works by dissolving a gaseous solvent, mainly Methane (CH 4 ) or Carbon Dioxide (CO 2 ), and sometimes along with Propane or Butane...
Proceedings Papers

Paper presented at the SPE Canada Heavy Oil Technical Conference, March 13–14, 2018
Paper Number: SPE-189734-MS
...). Then, the wormholes tended to grow in the direction of the largest oil flux. Both behaviours are consistent with the local effective stress conditions at the tip of a wormhole that lead to continuing sand failure there. Reservoir Characterization cold heavy oil production pore pressure experiment reservoir...
Proceedings Papers

Paper presented at the SPE Canada Heavy Oil Technical Conference, March 13–14, 2018
Paper Number: SPE-189749-MS
... that resulted in wormhole collapse should be regarded as a guide to the behaviour that would be expected in the field. flow in porous media circulation heating diameter cold heavy oil production strength sand pack Upstream Oil & Gas hot water pressurization enhanced recovery kPag injection...
Proceedings Papers

Paper presented at the SPE Canada Heavy Oil Technical Conference, February 15–16, 2017
Paper Number: SPE-185009-MS
... Abstract A pressure-gradient-based sand failure criterion has been proposed and validated to quantitatively determine the sand production and then characterize the corresponding wormhole growth and its propagations during cold heavy oil production with sand (CHOPS) processes. The new sand...
Proceedings Papers

Paper presented at the SPE Canada Heavy Oil Technical Conference, June 9–11, 2015
Paper Number: SPE-174467-MS
... the project. Nomenclature Nomenclature AITF: Alberta Innovates – Technology Futures CDOR: calendar day oil rate CH 4 : methane CH4 (o): dissolved methane C 3 H 8 : propane CHOPS: cold heavy oil production with sand ConnBub (g): connected bubbles (free gas...
Proceedings Papers

Paper presented at the SPE Canada Heavy Oil Technical Conference, June 9–11, 2015
Paper Number: SPE-174466-MS
... Abstract CHOPS (Cold Heavy Oil Production with Sand) is a primary production recovery method used in the Western Canadian Lloydminster heavy oil region which contains about 3 billion m 3 of heavy oil. It increases heavy oil production rates by creating high permeability channels...
Proceedings Papers

Paper presented at the SPE Heavy Oil Conference-Canada, June 10–12, 2014
Paper Number: SPE-170134-MS
... by wormholes and by displacement of oil in this region away from the wells. enhanced recovery sand production coefficient Upstream Oil & Gas vertical injector kPaa high permeability region cold heavy oil production Simulation layer 7 horizontal producer vertical well perforation ch 4...
Proceedings Papers

Paper presented at the SPE Heavy Oil Conference-Canada, June 10–12, 2014
Paper Number: SPE-170176-MS
... rate has impact on the behavior of solution gas drive and foamy oil flow in cold heavy oil production. However, the role of pressure decline rate in the post-CHOPS CSI process production has not been studied adequately. This work was intended to evaluate the effects of pressure decline rate in CSI...
Proceedings Papers

Paper presented at the SPE Heavy Oil Conference-Canada, June 10–12, 2014
Paper Number: SPE-170141-MS
..., drive energy and chemical mechanisms. In this work, a field-scale numerical simulation study was conducted to investigate the feasibility of cyclically injecting an alkali metal silicide into the wormhole structures of a post CHOPS (cold heavy oil production with sand) reservoir. The Computer Modeling...
Proceedings Papers

Paper presented at the SPE Heavy Oil Conference-Canada, June 10–12, 2014
Paper Number: SPE-170142-MS
... demonstrates that through simulating experiments from physical models with different scales, the uncertainties in predicting the field-scale CSI performance can be significantly reduced. Modeling & Simulation enhanced recovery cold heavy oil production Artificial Intelligence Upstream Oil...
Proceedings Papers

Paper presented at the SPE Heavy Oil Conference-Canada, June 10–12, 2014
Paper Number: SPE-170040-MS
..., such as PCP, SRP, ESP, ESPCP, Metal PCP, etc., which can be used to produce heavy oil fields, under cold and/or thermal production pattern, are studied and are outlined in this paper. With regard to this feasibility study, for cold heavy oil production, pilot of conventional PCP technology is carried out...
Proceedings Papers

Paper presented at the SPE Heavy Oil Conference-Canada, June 11–13, 2013
Paper Number: SPE-165536-MS
... Abstract A tractable, predictive modeling approach for Cold Heavy Oil Production with Sand (CHOPS) remains a significant practical challenge. In CHOPS, instabilities of oil-sand interactions lead to formation of meso-scale structures, such as wormholes or other defects. The sand stress...
Proceedings Papers

Paper presented at the SPE Heavy Oil Conference-Canada, June 11–13, 2013
Paper Number: SPE-165524-MS
... Abstract Cold heavy oil production with sand (CHOPS) has been applied successfully in many oil fields in Canada. However, only 5% - 15% of the original oil in place (OOIP) is recovered during cold production typically. Therefore, effective follow-up techniques are of great importance. Cyclic...
Proceedings Papers

Paper presented at the SPE Heavy Oil Conference-Canada, June 11–13, 2013
Paper Number: SPE-165538-MS
... in one model. In a cold heavy oil production reservoir, foamy oil can exist in areas where pressure has dropped below certain critical level with co-existence of original heavy oil. Therefore, a radial-composite model describing the existence of foamy oil in the inner zone and an original heavy oil outer...

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