... production. Spontaneous imbibition to expel oil from the low permeable matrix is a time-dependent process and both injection rate and oil viscosity are important factors affecting the contribution of capillary and viscous forces to the oil production. It is hypothesized that when capillary forces...

... significantly reduce its gas volume and lead to early water breakthrough during back production. natural gas storage co 2 solubility back production renewable energy underground hydrogen storage recovery performance hydrogen viscosity gas mole fraction flow behaviour water breakthrough...

... drilling fluids and materials fly ash chemical flooding methods cement chemistry synergy pickering emulsion viscosity enhanced recovery upstream oil & gas emulsion emulsion droplet nanoparticle-stabilized emulsion water flooding fly ash nanoparticle-stabilized emulsion nanoparticle...

... coefficient, the isobaric and isochoric heat capacity, viscosity, and thermal conductivity. A temperature span of −10 to 50 °C and a pressure span of 1-300 bara has been set as the target range for pipeline transport. Viscosity and thermal conductivity models have been evaluated for binaries where...

... spontaneous imbibition. Matrix properties such as permeability, porosity, block dimensions and shape and fluid properties such as viscosities and interfacial tension have been studied, usually for a given rock type and wettability ( Mattax and Kyte 1962 ; Hamon and Vidal 1986 ; Ma et al. 1997 ; Standnes...

... Abstract Heavy oil fields are characterised by complex chemistries and exhibit a wide range of physical properties (especially oil viscosity). This paper describes the development of two innovative and cost-effective data acquisition methods: the optimised use of mud gas data...

... that viscosity causes the largest effect on temperature data. Later, Mao and Zeidouni (2017b) presented analytical solutions for sandface temperatures for a fully penetrating line-sink well in a homogeneous reservoir with and without damaged zone using the Laplace transform and presented semilog interpretation...

... is transported into the reservoir for reducing the viscosity of bitumen further by the additional effect of dilution [ 4 ]. Besides, less energy consumed by SA-SAGD has been reported in the literatures [ 5 , 6 ]. During a classic Steam-Assisted Gravity Drainage (SAGD) process, steam should be constantly...

... a combination of experiments and fluids. Initially, synthetic seawater (SSW) and Sulphonated-Smart water (SW) were optimized to be used in combination with a viscoelastic HPAM polymer. Fluid characterization was achieved by detailed rheological characterization focusing on steady shear and in-situ viscosity...

....2018 ; Yekeen et al. 2017 ) were proved to enhance foam stability significantly as it can improve the elasticity of the interface. Moreover, many scholars considered that if the NPs in Plateau borders could result in sufficiently high viscosity, both foam drainage and coarsening was arrested. Thirdly...

... optimum gas injection strategy. Upstream Oil & Gas reservoir pressure foam injector GOR reservoir gas injection method viscosity injection case study scf stb gas injector DCA permeability society of petroleum engineers enhanced recovery reservoir pressure decline gas re...

... ( Rupprecht 2017 ). The TAN number of the oil is about 1.5 mg KOH/g. The dead oil density was measured as 0.85 g/cm³ at the reservoir temperature of 60°C. Oil viscosity at current reservoir conditions (pressure 120 bar) is 6 mPas. For experimental purposes, a mixture of dead oil and cyclohexane was used...

... simulations. In addition to scaling recovery time, more understanding is given to the period after the outlet boundary is reached. Upstream Oil & Gas imbibition rate viscosity Andersen Fluid Dynamics back pressure inlet imbibition enhanced recovery Saturation profile co-current spontaneous...

...Foam fluid mobility characterization In the process of foam flooding, the air foam seepage can be characterized by the Darcy seepage formula. Considering the relative permeability and apparent viscosity of the fluid, the seepage velocity is expressed: (1) v f = K K r f...

... velocity and oil viscosity on water flooding of oil-wet reservoirs. Seven different oils with a broad range of viscosity ranging from 1 to 15,000 mPa.s at 25 °C were used in fifteen core flooding experiments where injection velocity was varied from 0.7 to 24.3 ft/D (2.5 × 10 −6 m/s to 86.0 × 10 −6 m/s...

... as function of time. Finally, the best gelant solutions were selected to further study the evolution of the complex viscosity over time using a rheometer with a high pressure cell that mimics the reservoir conditions. This study provides new knowledge of polymer gelation at high temperature; the main...

... experiments, a detailed rheological analysis is carried out, capturing the response of pre-shearing the polymer solution with the three shearing devices. This gives an understanding of its rheological response. Thereby, viscosity, polymer stability and the imposed energy input by pre-shearing are determined...

... upgrading complex reservoir reactor hydrocarbon enhanced recovery feedstock isut process oil sand Upstream Oil & Gas viscosity bitumen carbonate core nano-catalytic in-situ upgrading process displacement cylinder carbonate reservoir reaction hydrogen conversion injection Oil Recovery...

... are frequently observed in these cases. This work aimed at investigating the impact of both chemical and mineralogical parameters on the transport of polymer solutions in well-controlled low permeability porous media. The intrinsic viscosity and hydrodynamic size of partially hydrolyzed polyacrylamide (HPAM...

... resistance factor flow velocity Berea polymer solution shear mechanical degradation injection flow in porous media polymer viscosity reduction onset flow behavior injectivity polymer flow permeability Introduction Polymer injectivity is one of the decisive parameters for the success...