... polymer resistance factor injectivity test permeability evaluation injection pressure transient testing polymer injection scleroglucan polymer injectivity test result scleroglucan polymer solution viscosity high temperature reservoir conditions Background The oil and gas industry...

... optic data. The evolution mobility of the polymer solution at reservoir conditions was determined, and as injection progressed, the solution mobility decreased over time for the same concentration, according to results obtained from interpretation of well tests analysis, the mobility decreased from 342...

... permeability. This study aims to enhance oil recovery from tight carbonates by virtue of wettability alteration using surfactants. Twenty different surfactants of different classes and different functional groups are systematically evaluated by first testing their aqueous stability at reservoir conditions...

... each measurement we first elevated temperature from room temperature to 50°C and then increased the hydrostatic pressure from 1 atm to 2000 PSI (using nitrogen gas) to mimic reservoir conditions. For the SmartWater experiment, the initial aged calcite thickness is 170 nm with 10 nm roughness...

... reservoir shale gas flow in porous media equation of state hydraulic fracturing fracturing materials shale oil proppant pvt measurement oil shale dme viscosity reservoir oil injection oil recovery fracturing fluid fluid dynamics simulation recovery hydrocarbon reservoir conditions...

... oil from oil-wet tight pores. A thorough lab program was designed to develop a wettability altering surfactant formulation and was validated with corefloods and spontaneous imbibition tests at reservoir conditions. Surfactant injection trials at smaller scale were conducted first which were successful...

... saturation IWAG Oil Recovery workflow saturation permeability displacement experiment Symposium Reservoir Conditions Introduction The tertiary recovery process known as Immiscible Water Alternate Gas Injection (IWAG) is a combination of two secondary recovery processes: water flooding...

... generation of stable foam with mobility reduction factors by CO 2 foam up to 340, over CO 2 at reservoir conditions. CO 2 storage potential was assessed during displacement to investigate the carbon footprint of CO 2 foam injection. Relative permeability endpoints and foam stability scan parameters...

... Reservoir Conditions Introduction With more oilfields becoming mature and as JPT declared in December 2017, "Oil Discoveries Fall to Lowest Level in 70 Years", there is a need for a robust EOR method that is applicable in harsh reservoir conditions and more environmentally acceptable in offshore...

... of petroleum engineers enhanced recovery analog equation 1 flood base waterflood recovery waterflood cumulative oil production Reservoir Conditions forecast oil recovery Introduction Simmons and Falls (2005) coined "DUSCALE" method for dimensionless recovery curves that can be driven from...

... recovery through water flood and adoption of close well spacing. The lessons learned and best practices from the global analog reservoir knowledge base can be used to identify opportunities for reserve growth of mature fields. With favorable reservoir conditions, it is feasible to move final recovery...

... polymer at reservoir conditions. There are several factors that would influence this hydrolysis rate and temperature is one major concern. It is also unclear how the hydrolysis temperature affects the monomer sequencing of the resulting hydrolyzed polymer. In this work we study the hydrolysis...

.... Nanoparticles provide a new technique to stabilize CO 2 foams under harsh reservoir conditions. It's essential to determine in-situ rheology of CO 2 foams stabilized by nanoparticles in order to predict proppant transport in reservoir fractures and improve oil production. The shear viscosity and foam texture...

... of production data from surrounding wells and the injection data are: Table 1 Reservoir conditions in pilot area Temperature 125 °F Average reservoir pressure 1750 psi Reservoir rock type Sandstone (clay content: 5-10% Kaolinite) Net pay thickness 70ft -80ft Injector bottom hole...

... by the rising/captive bubble technique using an IFT/CA apparatus. The effects of surfactant concentration (0.01 to 0.1 wt%) and brine salinity (0.1 to 5 M NaCl) on IFT and CA at ambient and reservoir conditions (i.e. 80 °C and 3000 psig) were also studied. Additionally, surfactant adsorption on shale samples...

... design laboratory condition attenuation coefficient saturation injection permeability estimation Reservoir Conditions Introduction Recovery techniques involving CO 2 injection, very often in a water-alternating-gas process, have proven themselves efficient for light oil (i.e. viscosity...

... the water advancing contact angles at both ambient and reservoir condition as well as at high temperature using DDDC techniques for a dolomite surface. Also, coreflood tests were conducted to study the effect of brine salinity and composition on oil recovery. Experimental Material Crude oil...

... the injection strategy/slugs design to match economic criteria. To be extrapolated to the field, it is critical to perform these tests in conditions as close as possible to real reservoir conditions: reservoir temperature, injection brine, reservoir pressure and reservoir oil. Specifically, dissolved gas...

... mobility control under reservoir conditions. Tests were set up in three steps: Pre-screening of surfactants; Dynamic screening of suitable surfactant formulations in a short sandpack; Foam qualification in a long sandpack. This paper gives an overview of the three-stage experimental study...

... of a sandstone heavy oil reservoir with good permeability/porosity. Main reservoir conditions are given in Table 1 . Table 1 Reservoir conditions Lithology Sandstone Permeability 500–5000 mD Porosity 20–30% Salinity 6.3 g/L TDS Temperature 51°C The reservoir has been...