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Bubble effect/es

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Proceedings Papers

Paper presented at the SPE Canada Heavy Oil Technical Conference, March 13–14, 2018
Paper Number: SPE-189719-MS
... and concentration of solvent in an ES-SAGD process, will result in diverse development effects( Mohammadzadeh et al. 2010 , Li et al. 2011 , Liu, Cheng, Xiong, et al. 2017 , Liu, Cheng, Huang, et al. 2017 ). Nasr et al. (2003) realized that the ES-SAGD performs better when the solvent and steam condensate...
Proceedings Papers

Paper presented at the SPE Canada Heavy Oil Technical Conference, June 7–9, 2016
Paper Number: SPE-180725-MS
... Abstract The growing market for solvent-assisted recovery methods, such as ES-SAGD, SAP, and LASER, increases the risk of asphaltene precipitation in the reservoir and upstream facilities that would result in production loss and huge operational costs. A comprehensive study on the asphaltene...
Proceedings Papers

Paper presented at the Abu Dhabi International Petroleum Exhibition and Conference, November 9–12, 2015
Paper Number: SPE-177691-MS
... of gas-lock. The incident free operation has clearly imaged (filmed) the fluid dynamics of gas and liquids interacting with the ES pump intake. How detailed the challenges of preparing and conducting this operation were overcome is described. The operational field constraints cover safety, weather...
Proceedings Papers

Paper presented at the SPE Europec/EAGE Annual Conference and Exhibition, June 12–15, 2006
Paper Number: SPE-99369-MS
... which includes a production below the bubble point stage as a means of generating a non-mobile gas saturation prior to deep depressurisation. Production below the bubble point is effectively a mitigation strategy to avoid delays in establishing a gas sales stream during the depressurisation stage. Gai...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 21–24, 2008
Paper Number: SPE-116239-MS
... and skin effects. This approach is limited to low producing time and invalid for volatile oil reservoir below the bubble point, due to the continuous increase in gas saturation around the wellbore. Capillary number Multiphase flow in porous media commonly uses the concept of relative permeability functions...
Proceedings Papers

Paper presented at the SPE International Thermal Operations and Heavy Oil Symposium, November 1–3, 2005
Paper Number: SPE-97842-MS
... content and liquid-vapor phase behaviour of the bitumen-Solvent 2-water mixture at a given mixing ratio. The results showed that the effectiveness of solvent-dilution on oil viscosity became less prominent as temperature increased. The differences among the diluents in lowering the viscosity of MacKay...
Proceedings Papers

Paper presented at the Abu Dhabi International Petroleum Exhibition and Conference, November 3–6, 2008
Paper Number: SPE-118377-MS
... for constant Kro/Krg ratio (Fig. 20), subsequently causing a decrease in PI through out the simulated production duration (Fig. 21). The deliverability of volatile oil wells above and below bubble point pressure therefore depends on absolute value of Kromax and not Kro/Krg ratio. Effect of Fluid Composition...
Proceedings Papers

Paper presented at the 15th World Petroleum Congress, October 12–17, 1997
Paper Number: WPC-29191
... of such reservoirs viable. Development cases of the bottom water-drive reservoirs discussed below come from Huizhou oilfields. R ES E RVO I R CHAR ACTE R IST1 CS Bottom water-drive reservoirs found in the Huizhou fields are simple, low dip anticlines with four-way closures. These structures were developed upon...
Proceedings Papers

Paper presented at the 8th European Formation Damage Conference, May 27–29, 2009
Paper Number: SPE-121637-MS
... the mobility of the particles. 4 SPE 121637 Time (min) Pr es su re D ro p (b ar s) Pr es su re D ro p (b ar s) Figure 2. Pressure drop versus time during the injection of hematite suspension without gas (Case 1A-blue curve) and with gas (Case 1B-pink curve) The effect of flowing gas on particle transport could...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 5–8, 2003
Paper Number: SPE-84175-MS
... Coefficient Figure 12. Effect of Quality on Foam Rheology 300psig / 80°F Stiffer Foam 0 5 10 15 20 25 0 200 400 600 800 1000 Observed Newtonian Shear Rate, 8v/D (1/s) W al l S he ar S tr es s ( Pa ) 3 in 2 in 4 in slip correction 100p180F90% 0 200 400 600 800 1000 1200 1400 0 5 10 15 20 25 30 35 40 45 1...
Proceedings Papers

Publisher: BHR Group
Paper presented at the 11th North American Conference on Multiphase Production Technology, June 6–8, 2018
Paper Number: BHR-2018-073
...). The validation of the model were presented by Zhang et al. (2003b) were extensive experimental data acquired with different pipe geometry and fluid properties were used. Gokcal et al. (2008) experimentally studied the effect of high viscosity liquid on the flow pattern for oil-gas flow in horizontal pipe...
Proceedings Papers

Paper presented at the SPE Heavy Oil Conference Canada, June 12–14, 2012
Paper Number: SPE-157830-MS
... alteration, multiphase effect and enthalpy of emulsification appear sufficient for effective representation of in-situ emulsion physics during SAGD and ES-SAGD in very high permeability systems. Results also show that, in-situ emulsification may play a vital role within the reservoir during SAGD; increasing...
Proceedings Papers

Paper presented at the CORROSION 2002, April 7–11, 2002
Paper Number: NACE-02301
... Imidazoline Monoamide Isolated Imidazoline Figure 16. Concentration performance curves of isolates species determined from bubble testing each point average of duplicates. As can be seen from Figure 16, a comparison of the materials tested in the bubble test on a minimum effective concentration basis...
Proceedings Papers

Paper presented at the International Symposium on Oilfield Chemistry, February 5–7, 2003
Paper Number: SPE-80207-MS
...% 50% 60% 70% 75% Pressure 10 Bar 1 10 100 1 10 100 1000 10000 Observed Shear Rate (1/s) Sh ea r S tr es s (P a) 40% 50% 60% 70% 75% Pressure 25 Bar 1 10 100 1000 1 10 100 1000 10000 Observed Shear Rate (1/s) Sh ea r S tr es s (P a) 40% 50% 60% 70% 75% 80% 85% Pressure 50 Bar Fig. 3. Effect of quality...
Proceedings Papers

Paper presented at the SPE International Symposium on Oilfield Chemistry, February 2–4, 2005
Paper Number: SPE-93431-MS
..., slippage at the wall, etc., can all affect foam rheology. The true rheology of foam has been hidden in many past foam rheology experiments due to the confounding effects of wall slip, mode of foam generation, foam bubble size and size distribution, etc. This study describes foam rheology experiments...
Proceedings Papers

Paper presented at the SPE International Thermal Operations and Heavy Oil Symposium, November 1–3, 2005
Paper Number: SPE-97875-MS
... gradient, which includes essentially the contributions due to gravity and friction. As can be observed, the greater the gas-oil ratio, the smaller the pressure gradient, indicating the dominant effect of gravity on the pressure gradient, since the patterns with lower pressure gradients have higher gas...
Proceedings Papers

Paper presented at the SPE Western Regional Meeting, March 26–30, 2001
Paper Number: SPE-68860-MS
..., additional tests are conducted at slower depletion rates to note the effect on pseudo bubble point pressure and oil properties. For this program, we conducted four complete PVT studies with the only variation being the speed of the pressure reduction during the differential liberation experiments...
Proceedings Papers

Paper presented at the Petroleum Industry Application of Microcomputers, June 23–26, 1987
Paper Number: SPE-16497-MS
..., are displayed graphically on the screen before, after, and during the control of the kick. The display shows the gas bubble, its growth as it is circulated out of the hole, locations of all of the different fluids that are involved in the system (drilling mud, kill mud, and gas bubble), and the surface effects...
Proceedings Papers

Paper presented at the SPE Gas Technology Symposium, April 30–May 2, 2002
Paper Number: SPE-75666-MS
... that adequate CO 2 gas exists between the produced methane and fracturing fluid for effective methane gas-drive fluid recovery. Evolution of CO 2 Gas. The objective is to exceed the solubility limit (bubble point) of CO 2 in the fracturing fluid under downhole conditions. A calculated excess of CO 2...
Proceedings Papers

Paper presented at the Canadian International Petroleum Conference, June 16–18, 2009
Paper Number: PETSOC-2009-041
... 0.25 0.3 0.35 0.4 To ta l P re ss ur e G ra di en t (p si /ft ) Q g (scfm) P b (psi) total P (psi/ft) Figure-3 Effect of formation pressure 0 1000 2000 3000 4000 5000 6000 0 0.5 1 1.5 2 2.5 Allowable Cuttings Concentration Li qu id F lo w R at e (g pm ), G as Fl ow R at e (s cf m ), St at ic B ac kr es...

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