2013
DOI: 10.2118/165577-pa
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Improved Predictability of In-Situ-Combustion Enhanced Oil Recovery

Abstract: In-situ combustion (ISC) possesses advantages over surface-generated steam injection for deep reservoirs in terms of wellbore heat losses and generation of heat above the critical point of water. Additionally, ISC has drastically lower requirements for water and natural gas, and potentially a smaller surface footprint in comparison to steam. In spite of its apparent advantages, prediction of the likelihood of successful ISC is unclear. Conventionally, combustion tube tests of a crude-oil and rock are used to i… Show more

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Cited by 94 publications
(52 citation statements)
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“…O2 consuming rate is improved along with a larger RCO2/O2. It can also be seen that the pressure drop rule and O2 consuming ability of different oils during LTO process are different from each other [16][17][18][19] . Under the same experimental conditions, the crude oil with higher viscosity usually has a larger pressure drop during LTO (<140 o C).…”
Section: O 2 Consuming Ability Of Heavy Oilsmentioning
confidence: 99%
“…O2 consuming rate is improved along with a larger RCO2/O2. It can also be seen that the pressure drop rule and O2 consuming ability of different oils during LTO process are different from each other [16][17][18][19] . Under the same experimental conditions, the crude oil with higher viscosity usually has a larger pressure drop during LTO (<140 o C).…”
Section: O 2 Consuming Ability Of Heavy Oilsmentioning
confidence: 99%
“…Tertiary recovery methods, for example thermal enhanced oil recovery (TEOR) and chemical enhanced oil recovery (CEOR), target to influence one or more of the above parameters for improved oil recovery. Steam assisted gravity drainage (SAGD) and in-situ combustion are typical TEOR methods and they mainly target to lower the viscosity of the producing oil (displaced fluid) [10,11]. Alkaline-surfactant-polymer (ASP) flooding is a CEOR method that aims to improve the interfacial properties to reduce the capillary barrier and also to increase the viscosity of the displacing fluid for mobility control [12,13].…”
Section: Introductionmentioning
confidence: 99%
“…ISC engineering and design workflows that integrate laboratory experiments, compositional analysis of crude oil, kinetic model development, and ISCspecific up-scaling for field-scale modeling have been recommended in literature (e.g., Gutierrez et al 2012;Kovscek et al 2013) (Fig. 2).…”
Section: Introductionmentioning
confidence: 99%
“…Industry needs an accepted approach to simulate the ISC process, and reservoir engineers need to know what equations or parameters should be used in reservoir simulation. In general, kinetic cell experiment and combustion-tube experiment are performed to establish the Arrhenius combustion reaction models in laboratory scale (Kovscek et al 2013). Based on previous investigations and experimental results, three major reactions are believed to take place in the ISC process (Belgrave 1987;Belgrave et al 1990;Jia et al 2006): (1) thermal cracking; (2) liquid-phase low-temperature oxidation (LTO); and (3) high-temperature oxidation (HTO).…”
Section: Introductionmentioning
confidence: 99%