... Oil & Gas enhanced recovery concentration polymer retention retention injection fluid velocity simulation model polymer concentration porous media reservoir chemical flooding methods polymer viscosity Concentration Measurement resistivity rheology flow velocity shear...

..., reduced the coalescence of oil droplets. Emulsions were exceptionally stable at high polymer concentration compared with surfactants. However, emulsion stability decreased at low polymer concentrations even in combination with high surfactant concentrations. Among the three components in ASP, polymer...

... polymer injection profile tracer breakthrough water injection injection waterflooding cdg pilot polymer concentration production response enhanced recovery CDG Phase II oil production response CDG injection incremental oil producer pilot area reservoir Introduction The Loma Alta...

... conformance Upstream Oil & Gas viscosity polyacrylamide pilot area scovil pool pilot project polymer concentration injection breakthrough permeability uplift injection well nanosphere north lobe concentration Introduction Since the presentation in Tulsa, Oklahoma in April 2012...

... synthetic EOR polymers. Upstream Oil & Gas adsorption chemical flooding methods Fluid Dynamics Hydrophobically flow in porous media ppm HMSPAM enhanced recovery polymer concentration polymer concentration mobility reduction permeability Hmspam Injection Rate molecular weight shear...

... 2012, approximately 437,000 bbl of CDG have been injected (5% of pilot PV). CDG injection strategy considered a fix polymer concentration of 400 ppm and a variable polymer/crosslinker ratio ranging from 40:1 to 80:1; to control maximum injection pressure. Field results showed an important increase...

... inline viscometer polymer concentration water management PPM synthetic brine polymer solution spe 165249 viscometer pipe shear rate society of petroleum engineers Introduction Polymer flooding belongs to chemical enhanced oil recovery techniques and consists in injecting polymer...

... polymer injection for two years, with no detrimental injectivity losses observed for polymer concentrations up to 750 ppm. Considerable fracture growth, oil production rate uplift and reduction in water cut were observed throughout the pilot pattern, in line with predictions: Fracture half-lengths...

... of the method has identified that under certain technical conditions (related to polymer concentration and duration of polymer injection) and certain economic conditions (related to oil price and operating costs) polymer flooding entails a significant risk of failure, but that if appropriate technical choices...

... constant. Therefore, a relative high surfactant concentration is an important condition to achieve the ultra low IFT for a higher oil recovery factor. Figure 7 indicates the dependence of SP flooding on the polymer concentration. The polymer concentration varies from 750 ppm to 5,000 ppm. The simulation...

... to contain polymer in the produced fluids for the first time in September, 2008. The polymer concentration climbed to 548.5mg/L at the end of the year and reached to the peak value of 689.2mg/L in Jan, 2009. The quick increase of the produced polymer had relationship with the improvement of injection...

... from high permeability streaks, therefore, wasting polymer and casue poor performance in oil recovery due to poor sweep efficiency. Several approaches such as the increase of polymer molecular weight and/or the polymer concentration, developing new types of polymers, and using other types of profile...

... significantly increase the recovery in other fields. enhanced recovery elasticity polymer flooding incremental recovery chemical flooding methods concentration conventional polymer flooding flooding displacement efficiency upstream oil & gas efficiency polymer concentration spe 144294...

... Abstract In this work we consider model-based optimization of polymer flooding. The reservoir performance is optimized by finding for each injection well optimal values for control variables such as injection and production rates, polymer concentrations, and times when to switch from polymer...

... polymer concentration water cut water flooding offshore oilfield offshore heavy oil field liquid production rate bitumen heavy oil field polymer flooding production rate bohai bay Introduction About 60 – 70% oil is remained in the formation after water flooding [ 1 ], and for offshore...

... of slug size, polymer concentration and initiation; in which simulations are ran simultaneously and the results are combined through scaling of optimal slug size. In terms of optimal strategies, the optimization results illustrate that polymer-flooding design – with respect to concentration, slug size...