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Keywords: breakthrough
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Proceedings Papers

Paper presented at the SPE Production and Operations Symposium, March 23–26, 2013
Paper Number: SPE-164517-MS
... injection rate is necessary for field scale operations. Therefore, the main objective of this study is to quantitatively predict the experimentally observed acidization curve (amount of acid required to breakthrough versus acid injection rate), so that the validated model could be used for field scale...
Proceedings Papers

Paper presented at the SPE Production and Operations Symposium, March 23–26, 2013
Paper Number: SPE-164487-MS
..., 1.0 vol% emulsifier, and 15 wt% HCl concentration. Coreflood experiments were performed at a temperature of 300°F, at injection rates range from 0.5 to 10 cm 3 /min until acid breakthrough the core. Samples of the effluent fluids were collected and analyzed using ICP to measure the calcium and...
Proceedings Papers

Paper presented at the SPE Production and Operations Symposium, March 27–29, 2011
Paper Number: SPE-140138-MS
..., which showed that increasing the formic acid concentration increased the live acid viscosity and decreased the viscosity of the spent acid. acidizing breakthrough pressure drop formic acid upstream oil & gas formic acid concentration experiment carbonate reservoir concentration acid...
Proceedings Papers

Paper presented at the SPE Production and Operations Symposium, March 24–27, 2001
Paper Number: SPE-67318-MS
... displacement test data obtained after the breakthrough of the displacing fluid phase are derived by neglecting the capillary end-effects at sufficiently high flow rates and verified by various experimental data. The total mobility and the mobility ratio of the immiscible fluids are related to the...
Proceedings Papers

Paper presented at the SPE Production Operations Symposium, March 9–11, 1997
Paper Number: SPE-37467-MS
... of conventional models such as pressure distribution outside well's completion and development and reversal of water coning. The results of this water coning study show that for oil production rates below critical (breakthrough) rate there are two equilibrium shapes of the water cone: lower (stable...
Proceedings Papers

Paper presented at the SPE Production Operations Symposium, April 2–4, 1995
Paper Number: SPE-29467-MS
... injection rate calculation permeability saturation upstream oil & gas enhanced recovery dykstra-parson method reservoir initial gas saturation oil saturation initial oil saturation oil recovery recovery breakthrough sweep efficiency SPE 29467 The Effect of an Initial Gas Saturation on...
Proceedings Papers

Paper presented at the SPE Production Operations Symposium, April 7–9, 1991
Paper Number: SPE-21654-MS
... first, the water sink's position and flowrate were investigated as they affected the critical production rate of oil, i.e. maximum production rate without the water breakthrough. Next, a comparison was made between the amounts of water produced for greater than critical oil production rates in these...

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