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Proceedings Papers

Paper presented at the SPE Canada Heavy Oil Conference, September 28–October 2, 2020
Paper Number: SPE-199951-MS
... microscopic displacement efficiency by reducing interfacial tension (IFT) between the displacing fluid (typically CO 2 and hydrocarbon gas) and displaced fluid (crude oil). An average of 22% incremental recovery can be achieved based on our database, shown in Table 1 . However, poor volumetric sweep...
Proceedings Papers

Paper presented at the SPE Canada Heavy Oil Conference, September 28–October 2, 2020
Paper Number: SPE-199934-MS
... front forward heating more heavy oil to be produced out. The performance of CO 2 assisted steam process markedly outperformed single steam injection in oil recovery, which attributed to the increment of both microscopic oil displacement efficiency and macroscopic volume sweep efficiency. Oil swelling...
Proceedings Papers

Paper presented at the SPE Canada Heavy Oil Technical Conference, March 13–14, 2018
Paper Number: SPE-189730-MS
... in parallel with achieving optimum reservoir management it will result in higher capital efficiency while improving key economic metrics such as operating expenditure (Opex), reserve replacement ratio, depreciation depletion & amortization (DD&A), and overall earnings. Given the existing challenges...
Proceedings Papers

Paper presented at the SPE Canada Heavy Oil Technical Conference, February 15–16, 2017
Paper Number: SPE-185008-MS
... in heavy oil reservoirs, high oil viscosity results in early breakthrough and poor sweep efficiencies. Polymers have been used to increase the displacing water viscosity for conformance control and viscous fingering attenuation. However, polymer degradation and entrapment inside the reservoir make them...
Proceedings Papers

Paper presented at the SPE Canada Heavy Oil Technical Conference, February 15–16, 2017
Paper Number: SPE-185015-MS
... Abstract Steam assisted gravity drainage (SAGD) is recognized as a profitable and stable approach to address the exploitation of heavy oil and oil sand resources. However, the efficiency of SAGD, a close relative of a sufficiently-expanded and uniformly-developed steam chamber, tends...
Proceedings Papers

Paper presented at the SPE Canada Heavy Oil Technical Conference, June 7–9, 2016
Paper Number: SPE-180692-MS
... a challenge due to free gas formation upon heating. To establish equilibrium and due to local pressure gradients, this gas is pushed to the edges of the steam chamber, where temperatures are lower. The gas acts as a thermal insulator, reducing the efficiency of heat transfer between the steam and bitumen...
Proceedings Papers

Paper presented at the SPE Canada Heavy Oil Technical Conference, June 7–9, 2016
Paper Number: SPE-180755-MS
... between the injector and producer. A study on startup methods was conducted with the intent of optimizing temperature conformance, thermal efficiency and circulation time. The study generated several alternative startup designs, many of which employ insulated tubing strings and varied operating...
Proceedings Papers

Paper presented at the SPE Canada Heavy Oil Technical Conference, June 7–9, 2016
Paper Number: SPE-180752-MS
... for ISR are also reduced compared to SAGD through elimination of surface and wellbore heat losses during energy transmission to the producing formation. Greater energy efficiency in ISR leads to lower carbon dioxide production and water requirements compared to SAGD. This paper presents a description...
Proceedings Papers

Paper presented at the SPE Canada Heavy Oil Technical Conference, June 7–9, 2016
Paper Number: SPE-180747-MS
... assisted gravity drainage. We investigate the effects of influential factors on the process efficiency, including initial water saturation, solvent types ( n -hexane and n -octane), introduction methods of solvents (injection or premixed with oil), combination strategies of solvent injection and EM...
Proceedings Papers

Paper presented at the SPE Canada Heavy Oil Technical Conference, June 7–9, 2016
Paper Number: SPE-180709-MS
... Abstract Being the most popular technological framework for the heavy oil and bitumen production, the reservoir heating is mainly performed via steam injection. Progressively it becomes evident, however, that there exist other methods offering an efficient production for various initial...
Proceedings Papers

Paper presented at the SPE Canada Heavy Oil Technical Conference, June 9–11, 2015
Paper Number: SPE-174402-MS
... implementation of future projects. enhanced recovery Modeling & Simulation viscosity polymer flooding application reservoir heavy oil reservoir Canada chemical flooding methods Efficiency Implementation polymer solution permeability Upstream Oil & Gas Pilot Test injection Oil...
Proceedings Papers

Paper presented at the SPE Canada Heavy Oil Technical Conference, June 9–11, 2015
Paper Number: SPE-174435-MS
... efficiency and oil recovery factor. The continuing monitoring of these variables helped redirecting the combustion front, optimizing air injection and increasing production. This paper introduces the STAR™ (Synchronized Thermal Additional Recovery) technology, based on ISC concepts, which aim increase...
Proceedings Papers

Paper presented at the SPE Canada Heavy Oil Technical Conference, June 9–11, 2015
Paper Number: SPE-174471-MS
... of the reservoir rock and reservoir continuity favor displacement and volumetric efficiencies. Waterflooding surveillance relies on strong data acquisition of injection and production, which allows, among others, daily injection/production parameter revision, weekly revision for producer well extraction, monthly...
Proceedings Papers

Paper presented at the SPE Heavy Oil Conference-Canada, June 10–12, 2014
Paper Number: SPE-170112-MS
... any efficiency gains in delivering steam to the reservoir makes the entire process more cost effective. Two significant challenges that impact the process efficiency are the occurrence of steam breakthrough along the lateral and steam non-conformance. Both of these issues are largely due...
Proceedings Papers

Paper presented at the SPE Heavy Oil Conference-Canada, June 10–12, 2014
Paper Number: SPE-170007-MS
... Abstract Waterflooding viscous oil suffers from poor displacement efficiency, requiring excessive volumes throughput for a given recovery. Heterogeneity reduces recovery further by reducing volumetric sweep efficiency. These can be mitigated by modifying injection viscosity with polymer...
Proceedings Papers

Paper presented at the SPE Heavy Oil Conference-Canada, June 10–12, 2014
Paper Number: SPE-170039-MS
... correlation performance curve water cut consumption artificial lift system bitumen precipitation viscosity llanos basin fluid viscosity complex reservoir Efficiency ESP San Fernando case study society of petroleum engineers Introduction The Llanos Basin is located in eastern Colombia...
Proceedings Papers

Paper presented at the SPE Heavy Oil Conference-Canada, June 10–12, 2014
Paper Number: SPE-170081-MS
..., California. The drivetrain has been designed to provide sufficient torque with high efficiency within a small package, enabling optimum placement within the wellbore. The effectiveness of steaming and the geothermal temperature variance at the reservoir is investigated using multiple data points over time...

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