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Keywords: combustion
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Proceedings Papers

Paper presented at the SPE Improved Oil Recovery Conference, April 22–25, 2024
Paper Number: SPE-218153-MS
..., and combustion tube (CT) tests, performed on three different oil systems: a volatile oil which is near critical at reservoir conditions (44°API), a low-shrinkage light oil (35°API), and a bitumen sample (10°API). A kinetic model was derived for each of the cases based on the history match of a HPRTO experiment...
Proceedings Papers

Paper presented at the SPE Improved Oil Recovery Conference, August 31–September 4, 2020
Paper Number: SPE-200381-MS
... Abstract Clays are known to act as a catalyst during the in-situ combustion (ISC) process. This work investigates the role of clay in reaction kinetics of a bitumen sample. Several Thermogravimetric Analysis/Differential Scanning Calorimetry (TGA/DSC) experiments were conducted on a Canadian...
Proceedings Papers

Paper presented at the SPE Improved Oil Recovery Conference, April 14–18, 2018
Paper Number: SPE-190307-MS
... Reservoir rock also contributes to the combustion reactions ( Burger and Sahuquet 1972 ; Burger et al. 1985 ; Cinar et al. 2011 ; Kozlowski et al. 2015 ; Ismail et al. 2016 ; Aleksandrov et al. 2017 ; Ismail and Hascakir 2017 ). The reservoir clays act as catalyst and reduce the activation...
Proceedings Papers

Paper presented at the SPE Improved Oil Recovery Conference, April 14–18, 2018
Paper Number: SPE-190279-MS
..., while the permeability of the crushed core material was 1 to 3 Darcies. Air injection was performed as a standard combustion tube test with injection of 2.3 pore volumes (PV) of air to burn 71% of the packed core length (including helium, a total of 4.3 PV of gas injected). The CO 2 -Water coreflood...
Proceedings Papers

Paper presented at the SPE Improved Oil Recovery Conference, April 11–13, 2016
Paper Number: SPE-179610-MS
... Abstract The Green River, Utah holds the world's greatest oil shale resources. However, the hydrocarbon, which is namely kerogen, extraction from shales is limited due to environmental and technical challenges. In this study, we investigated the effectiveness of the combustion process for shale...
Proceedings Papers

Paper presented at the SPE Improved Oil Recovery Symposium, April 12–16, 2014
Paper Number: SPE-169168-MS
... discuss some important details on the Holt Sand Unit (HSU) oxygen injection pilot and, then, will provide an overview of the key learnings from this project. The reasons behind the energy release in the HSU project will be discussed using the surveillance data, combustion tube test and numerical modeling...
Proceedings Papers

Paper presented at the SPE Improved Oil Recovery Symposium, April 14–18, 2012
Paper Number: SPE-154333-MS
...Introduction Abstract Using horizontal wells for In-Situ combustion operation brings new advantages. Horizontal wells provide larger contact area between the formation and combustion front. Mobilized oil does not necessarily should pass through cold oil bank to be produced and this improve...
Proceedings Papers

Paper presented at the SPE Improved Oil Recovery Symposium, April 14–18, 2012
Paper Number: SPE-154299-MS
.... 2010 ). A layout of the units illustrating the locations of these kick-out laterals in the field is shown in Figure 1 . For light, medium and heavy oil in situ combustion projects, the presence of bottom water is a concern if this zone is in communication with an aquifer and water is continually...
Proceedings Papers

Paper presented at the SPE Improved Oil Recovery Symposium, April 24–28, 2010
Paper Number: SPE-129660-MS
... of in situ hydrogen generations processes is the construction of the reaction scheme together with the associated kinetic parameters. Here, a unified kinetic model that takes pyrolysis (thermolysis, thermal cracking), aquathermolysis, gasification, and combustion (oxidation) of Athabasca bitumen has been...
Proceedings Papers

Paper presented at the SPE Improved Oil Recovery Symposium, April 24–28, 2010
Paper Number: SPE-129691-MS
... describes the results and observations of an experimental study conducted to characterize distillation, not only as a recovery mechanism but moreover as a phenomenon that impacts the kinetics of light oil combustion in HPAI. Distillation or vaporization-condensation of light fractions of oil in thermal...
Proceedings Papers

Paper presented at the SPE Improved Oil Recovery Symposium, April 24–28, 2010
Paper Number: SPE-129882-MS
.... Although, the process has successfully been applied in the Williston Basin for more than two decades, the potential risks associated with the presence of oxygen in air are a significant hurdle for implementation in other locations. Thermal simulations that include combustion are required to quantify...
Proceedings Papers

Paper presented at the SPE Improved Oil Recovery Symposium, April 24–28, 2010
Paper Number: SPE-129904-MS
... Abstract There is a renewed interest in using combustion to recover difficult oil. In spite of numerous experimental, numerical and analytical studies, the mechanisms for incomplete fuel combustion or oxygen consumption are not fully understood. Incomplete fuel combustion or oxygen consumption...
Proceedings Papers

Paper presented at the SPE Improved Oil Recovery Symposium, April 24–28, 2010
Paper Number: SPE-129869-MS
... ABSTRACT In order to facilitate the study of the influence of reservoir process characteristics in In-Situ combustion modeling and advance the work of Kristensen et al. in the domain of thermal oil recovery methods; a fully compositional In-situ combustion (ISC) model of Virtual Kinetic Cell...
Proceedings Papers

Paper presented at the SPE Symposium on Improved Oil Recovery, April 20–23, 2008
Paper Number: SPE-113947-MS
... to develop, and it is natural to expect sensitivities to the chosen formulation. We again use the VKC to study this interaction between phase behavior and kinetics, as well as a novel one-dimensional, in-house ISC simulator, which we refer to as the Virtual Combustion Tube (VCT). Both the VKC and the VCT...
Proceedings Papers

Paper presented at the SPE Symposium on Improved Oil Recovery, April 20–23, 2008
Paper Number: SPE-113917-MS
..., the flue gas generated in-situ by combustion leads to in an immiscible gas drive, where the stripping of volatile components is a key recovery mechanism. HPAI has therefore, in some instances, been modeled as an isothermal flue gas drive, employing an Equation of State (EOS) methodology. This approach...
Proceedings Papers

Paper presented at the SPE/DOE Symposium on Improved Oil Recovery, April 22–26, 2006
Paper Number: SPE-93458-MS
... solid deposition. HTO, which requires a high Oxygen partial pressure, is then quenched and the build-up plugs the flow. Another possibility is dominant LTO, in which case, little solid fuel deposition is observed, and the combustion front is more of a fast, diffuse wave, which typically generates little...
Proceedings Papers

Paper presented at the SPE/DOE Symposium on Improved Oil Recovery, April 22–26, 2006
Paper Number: SPE-99752-MS
... Abstract Application of cyclic solvent injection into heavy and viscous crude oil followed by in-situ combustion of heavy residues is explored from a laboratory perspective. The solvent reduces oil viscosity in-situ and extracts the lighter crude-oil fractions. Combustion cleans the near well...
Proceedings Papers

Paper presented at the SPE/DOE Symposium on Improved Oil Recovery, April 17–21, 2004
Paper Number: SPE-89451-MS
... Proposal In-Situ Combustion Process has been implemented in Santhal field in commercial scale for the last 6 years for enhancing the recovery of heavy oil. The process monitoring is the key factor for ensuring the effectiveness of the method. This paper describes the field practices of ignition...

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