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Keywords: solvent injection
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Proceedings Papers
Enhanced Oil Recovery in Post-CHOPS Cold Heavy Oil Production with Sand Heavy Oil Reservoirs of Alberta and Saskatchewan Part 2 : Field Piloting of Cycling Solvent Injection
Available to PurchasePublisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Canada Heavy Oil Conference, September 28–October 2, 2020
Paper Number: SPE-199947-MS
...% (25% of the primary) oil can be recovered, this means an additional 1 to 1.5 billion bbls of oil production which can sustain the oil industry for many years in this area providing jobs and contributing significantly to government royalties. A critical literature review of Cyclic Solvent Injection...
Proceedings Papers
Dynamic Behavior of Asphaltene Precipitation and Distribution Pattern in Carbonate Reservoirs During Solvent Injection: Pore-Scale Observations
Available to PurchasePublisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Canada Heavy Oil Technical Conference, February 15–16, 2017
Paper Number: SPE-184970-MS
... hydrocarbon solvent injection. Three types of solvent (nC5, nC7, and nC12) were used for solvent injection for extra-heavy oil recovery (30,000 cp at 22 °C). A uniquely designed heterogeneous-fractured micromodel imitating the fractured carbonate reservoirs was used for pore scale observation. A high-quality...
Proceedings Papers
Heavy Oil Recovery via Combination of Radio-Frequency Heating With Solvent Injection
Available to PurchasePublisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Canada Heavy Oil Technical Conference, June 7–9, 2016
Paper Number: SPE-180709-MS
.... rotation with friction of polar molecules in the EM field. The intrinsic advantages of the RF-heating (RFH) based technology, which in particular avoids the problems associated to water supply and water treatment, can be strengthened by solvent injection. After certain period of preheating this may lead...
Proceedings Papers
Experimental Investigation of Combined Electromagnetic Heating and Solvent Assisted Gravity Drainage for Heavy Oil Recovery
Available to PurchasePublisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Canada Heavy Oil Technical Conference, June 7–9, 2016
Paper Number: SPE-180747-MS
... Abstract Electromagnetic (EM) heating holds a large potential in heavy oil recovery since it can reduce carbon emission and avoid excessive water usage, and is applicable for water hostile reservoirs such as shale oil reservoirs. Combining solvent injection and EM heating might further reduce...
Proceedings Papers
Mathermatical Modeling of Dynamic Mass Transfer in Cyclic Solvent Injection
Available to PurchasePublisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Canada Heavy Oil Technical Conference, June 9–11, 2015
Paper Number: SPE-174519-MS
... Abstract In a cyclic solvent injection (CSI) process, a solvent gas is cyclically injected, soaked, and released to produce heavy oil. Through this process the operating pressure is decreased and increased cyclically. This causes a dynamically changing pressure gradient across the solvent–oil...
Proceedings Papers
History Match and Strategy Evaluation for CSI Pilot
Available to PurchasePublisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Canada Heavy Oil Technical Conference, June 9–11, 2015
Paper Number: SPE-174467-MS
... from a production well. This permits a prediction of wormhole growth in each layer of the simulation grid. The CHOPS history matches resulted in post-CHOPS conditions that were the starting point for solvent injection simulations. These included: ○ Reservoir properties such as porosity...
Proceedings Papers
New Insight on Carbonate Heavy Oil Recovery: Pore Scale Mechanisms of Solvent Alternating CO 2 Foam/Polymer Enhanced Foam Flooding
Available to PurchasePublisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Canada Heavy Oil Technical Conference, June 9–11, 2015
Paper Number: SPE-174510-MS
... has gained interest in conventional heavy oil recovery in recent times. However, the oil recovery process by foam, especially PEF, in conjunction with solvent injection is less understood in fracture heavy oil carbonate reservoirs. The challenge is to understand how the combination of surfactant, gas...
Proceedings Papers
Case study of Solvent-Assisted Start-up in Fengcheng SAGD Project
Available to PurchasePublisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Canada Heavy Oil Technical Conference, June 9–11, 2015
Paper Number: SPE-174440-MS
... is not efficient and can take 150 to 180 days to achieve. In order to shorten the circulation time and accelerate the ramp-up phase after SAGD conversion, an approach using solvent injection with steam simultaneously to enhance injectivity was successfully designed and implemented. This paper reviews the design...
Proceedings Papers
A Critical Review of the Solvent-Based Heavy Oil Recovery Methods
Available to PurchasePublisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Heavy Oil Conference-Canada, June 10–12, 2014
Paper Number: SPE-170098-MS
... for the solvent injection process than that for the steam injection process. Therefore, the capital investment and operating cost will be much lower for a solvent-based heavy oil recovery process than those for a steam-based process. Moreover, when enough solvent is dissolved into the heavy oil, asphaltene...
Proceedings Papers
Predictive Field-Scale Simulations for the Design of a Solvent Injection Pilot
Available to PurchasePublisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Heavy Oil Conference-Canada, June 10–12, 2014
Paper Number: SPE-170134-MS
... as a platform) to design CHOPS operating strategies. The CHOPS simulations determined: (a) wormhole penetration length required to maintain the specified oil rate, (b) when to stop CHOPS and start solvent injection, and (c) the initial conditions (wormhole occupied region, fluid saturations, etc.) for solvent...
Proceedings Papers
Pressure Maintenance at post-CHOPS Cyclic Solvent Injection (CSI) Well Using Gas Injection at Offset Well
Available to PurchasePublisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Heavy Oil Conference-Canada, June 10–12, 2014
Paper Number: SPE-170126-MS
... in the primary production and solvent injection simulations. Over the years, solvent injection models have been developed at AITF ( Chang and Ivory, 2011 , 2012 , and 2013 ) and Ivory et al. (2010) which consider many important mechanisms including non-equilibrium solubility, foamy oil, gas expansion, oil...
Proceedings Papers
Gasflooding-Assisted Cyclic Solvent Injection (GA-CSI) for Enhancing Heavy Oil Recovery
Available to PurchasePublisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Heavy Oil Conference-Canada, June 10–12, 2014
Paper Number: SPE-170157-MS
... Abstract Cyclic solvent injection (CSI) process takes advantage of solution-gas drive and foamy oil flow for the oil production. However, it suffers from the solvent liberation during the production period. This results in an increased viscosity of the oil and its mobility loss. 0How to recover...
Proceedings Papers
Asphaltene Precipitation Inhibitors and Phase Behaviour Control for Bitumen Recovery by Solvent Injection
Available to PurchasePublisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Heavy Oil Conference-Canada, June 10–12, 2014
Paper Number: SPE-170165-MS
... Abstract In situ bitumen recovery directly depends on the reduction of bitumen viscosity. Solvent injection is an alternative to thermal bitumen recovery by steam injection. Injection of solvents containing n-alkanes like butane, propane and naphtha may lead to asphaltene precipitation...
Proceedings Papers
Solvent-Assisted Start-up of SAGD Wells in Long Lake Project
Available to PurchasePublisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Heavy Oil Conference-Canada, June 10–12, 2014
Paper Number: SPE-170052-MS
... by the presence of high water saturation zones within the bitumen pay zone ("lean zones"), an adjacent Quaternary-age fresh water-bearing channel, and shallow formation depth. In order to overcome these constraints, an approach using solvent injection in a warm system with enhanced injectivity was successfully...
Proceedings Papers
Optimal Application Conditions of Solvent Injection into Oilsands to Minimize the Effect of Asphaltene Deposition: An Experimental Investigation
Available to PurchasePublisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Heavy Oil Conference-Canada, June 11–13, 2013
Paper Number: SPE-165531-MS
... Abstract Solvent injection into heavy-oil reservoirs is quite complex on account of the asphaltene destabilization that occurs due to the changes in temperature, pressure, and solvent type dissolved in oil. As a result of this destabilization, the asphaltene precipitates, flocculates...
Proceedings Papers
An Enhanced Oil Recovery Technology as a Follow Up to Cold Heavy Oil Production with Sand
Available to PurchasePublisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Heavy Oil Conference-Canada, June 11–13, 2013
Paper Number: SPE-165385-MS
... reservoir heavy oil reservoir cold heavy oil production recovery graph recovery injection distillate solvent injection solvent phase recovery technology Oil Recovery Introduction Lloydminster area that straddles Alberta and Saskatchewan border contains vast amounts of heavy oil deposits...
Proceedings Papers
Effect of Dead Oil Viscosity and Injected Solvent Type on SVX Process Performance
Available to PurchasePublisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Heavy Oil Conference-Canada, June 11–13, 2013
Paper Number: SPE-165454-MS
... darcy and ~33%, respectively) that was oriented vertically to provide model dimensions of 2.5 m thick by 0.2 m wide by 0.5 m long. The 0.5-m-long horizontal top injection and bottom production wells were separated laterally across the width and vertically across the thickness. Prior to solvent injection...
Proceedings Papers
A Novel Solvent Injection Technique for Enhanced Heavy Oil Recovery: Cyclic Production with Continuous Solvent Injection
Available to PurchasePublisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Heavy Oil Conference-Canada, June 11–13, 2013
Paper Number: SPE-165455-MS
... Abstract Solvent-based in-situ enhance oil recovery (EOR) techniques are extensively studied to improve oil recovery factors (RFs) for heavy oil reservoirs. Continuous injection, such as vapour extraction (VAPEX), and cyclic injection, such as cyclic solvent injection (CSI) are two main...
Proceedings Papers
Findings from a Solvent-Assisted SAGD Pilot at Cold Lake
Available to PurchaseL. M. Dittaro, A. E. Jaafar, D. L. Perlau, T. J. Boone, J. A. Yerian, J. L. Dickson, R. C. Wattenbarger
Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Heavy Oil Conference-Canada, June 11–13, 2013
Paper Number: SPE-165434-MS
... & Simulation oil sand Upstream Oil & Gas SAGD sa-sagd pilot enhanced recovery complex reservoir injector bitumen steam-assisted gravity drainage physical model producer wellpair solvent-assisted sagd pilot steam chamber solvent injection operation ExxonMobil temperature profile Cold Lake...
Proceedings Papers
Integrating the Key Learnings from Laboratory, Simulation, and Field Tests to Assess the Potential for Solvent Assisted - Steam Assisted Gravity Drainage
Available to PurchasePublisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Heavy Oil Conference-Canada, June 11–13, 2013
Paper Number: SPE-165485-MS
... solvent injection History Match well pair experiment well pair 2 enhanced recovery SAGD Research Program physical model laboratory production rate total hydrocarbon production rate solvent switch Introduction ExxonMobil and Imperial Oil Resources (IOR) are actively researching...
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