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Keywords: solvent injection
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Proceedings Papers

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

Paper presented at the SPE Canada Heavy Oil Technical Conference, February 15–16, 2017
Paper Number: SPE-184970-MS
.... For advancements in understanding asphaltene deposition in fractured carbonate formations, asphaltene deposition behavior was analyzed with the help of pore scale observation during hydrocarbon solvent injection. Three types of solvent (nC5, nC7, and nC12) were used for solvent injection for extra-heavy oil...
Proceedings Papers

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

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

Paper presented at the SPE Canada Heavy Oil Technical Conference, June 9–11, 2015
Paper Number: SPE-174467-MS
... Research Council. The project was in support of a cyclic solvent injection (CSI) field pilot in the Lloydminster region of Saskatchewan that was evaluating the potential of CSI to exploit reservoirs following cold heavy oil production with sand (CHOPS). History matches were performed for two Edam CHOPS...
Proceedings Papers

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

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

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

Paper presented at the SPE Heavy Oil Conference-Canada, June 10–12, 2014
Paper Number: SPE-170098-MS
... is reduced by 97% in a solvent-based heavy oil recovery process in comparison with that in a steam-based process ( Singhal et al., 1996 ). Much less surface construction is required for the solvent injection process than that for the steam injection process. Therefore, the capital investment and operating...
Proceedings Papers

Paper presented at the SPE Heavy Oil Conference-Canada, June 10–12, 2014
Paper Number: SPE-170052-MS
... Modeling work and post-processing of the data from the solvent-treated well pair (13P06) suggests that solvent injection in a warm system could enhance the size of the steam chamber in a gravity-dominant flow. Enhancement of the voidage volume at an earlier stage of SAGD significantly enhances...
Proceedings Papers

Paper presented at the SPE Heavy Oil Conference-Canada, June 10–12, 2014
Paper Number: SPE-170126-MS
... microscopic observation. The asphaltene content was reduced in the produced oil and increased in the post-run oil sand. A rapid pressure drawdown after a third solvent injection period caused 1.7% oil recovery and foamy oil in the production line ( Figure 1 c). Additional oil recovery (4.5%) was obtained...
Proceedings Papers

Paper presented at the SPE Heavy Oil Conference-Canada, June 10–12, 2014
Paper Number: SPE-170157-MS
... The solvent injection unit is composed of a propane cylinder (Praxair, Canada), a two-stage gas regulator (KCY Series, Swagelok, USA), a digital mass flow meter (XFM17, Aalborg, USA), a solvent injection valve, and an injector positioned inside the physical model. The gas regulator is installed...
Proceedings Papers

Paper presented at the SPE Heavy Oil Conference-Canada, June 10–12, 2014
Paper Number: SPE-170134-MS
... enhanced recovery sand production kPaa high permeability region coefficient cold heavy oil production Simulation perforation horizontal well layer 7 horizontal producer Upstream Oil & Gas vertical injector saturation vertical well injection solvent injection oil rate...
Proceedings Papers

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

Paper presented at the SPE Heavy Oil Conference-Canada, June 11–13, 2013
Paper Number: SPE-165434-MS
...-sagd pilot bitumen steam-assisted gravity drainage Clearwater Formation Alberta production rate injection Modeling & Simulation Upstream Oil & Gas Cold Lake well pair Injection Rate solvent switch enhanced recovery complex reservoir injector solvent injection operation...
Proceedings Papers

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

Paper presented at the SPE Heavy Oil Conference-Canada, June 11–13, 2013
Paper Number: SPE-165385-MS
... reservoir solvent injection solvent phase recovery technology cold heavy oil production Oil Recovery heavy oil reservoir recovery graph recovery injection distillate Lloydminster area that straddles Alberta and Saskatchewan border contains vast amounts of heavy oil deposits in thin...
Proceedings Papers

Paper presented at the SPE Heavy Oil Conference-Canada, June 11–13, 2013
Paper Number: SPE-165454-MS
... injectivity for the subsequent solvent injection. During the pressure depletion stage the model pressure was reduced in stages to ~900 kPaa. After the primary production stage, a solvent mixture of ~57/43 mol% C 1 /C 3 or ~57/43 mol% CO 2 /C 3 was continuously injected at a constant rate...
Proceedings Papers

Paper presented at the SPE Heavy Oil Conference-Canada, June 11–13, 2013
Paper Number: SPE-165485-MS
... pair 2 thermal method Artificial Intelligence complex reservoir field test solvent injection well pair total hydrocarbon production rate steam-assisted gravity drainage recovery process Alberta History Match solvent switch ExxonMobil and Imperial Oil Resources (IOR) are actively...
Proceedings Papers

Paper presented at the SPE Heavy Oil Conference-Canada, June 11–13, 2013
Paper Number: SPE-165531-MS
...-alkanes (C 3 H 8 , C 6 H 12 and C 10 H 22 ) used as precipitants were 99.5%, 99.9% and 99.6%, respectively. Fig. 1 SimDist Assay (ASTM D7169) of the heavy crude oil used, carbon number distribution of the hydrocarbon is about C11 to C120. Solvent injection increases oil recovery...

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