... flooding improves volumetric sweep efficiency through improving the adverse mobility ratio by increasing water viscosity. Therefore, the effect of trapping number on oil recovery is usually neglected. This paper numerically investigates the effect of trapping number on oil recovery by polymer flooding...

... 2so 4 injection brine injection society of petroleum engineers oil viscosity structure micromodel oil recovery brine flood viscosity recovery factor wettability alteration micromodel Introduction The concept of smart water was first proposed by Morrow et al., (1996) ; leading...

... selection and formulation directional drilling friction regime drilling fluid property drilling operation solid lubricant viscosity stribeck curve solid-state lubricant drilling fluids and materials drilling fluid formulation lubricant lubrication drilling fluid chemistry fluid loss control...

... was used as departure point for studies performed. Maintaining a good injectivity in polymer injection projects normally is a major concern, in this case we present a real case of a polymer injection project in an extra heavy oil reservoir, which is producing oil with an average viscosity of 4150 cP...

..., high viscosities that can achieve 100.000 cp at sea bed temperatures, etc. To overcome these challenges, the best subsea system technologies has been used, together with some small, but ingenuous, innovations. The use of a 6" unbonded flexible lines, with TEC 2 insulation layers minimize the risk...

... recovery. Recovery factors were measured in core-flooding experiments performed using live extra heavy oil (API 8.7, Rs of 95 scf/bbl and viscosity of 2 000 cP at reservoir conditions) with high content of basic and acidic compounds (6.27 and 2.3 mg potassium hydroxide/g of oil, respectively). Rheology...

... and growth of the disturbing and mixing zone during the slurry transport is dictated by fluid density, viscosity, flow rate and travel distance. In addition to the diffusion related dispersion, interface instabilities may influence the mixture of the displaced fluids and raise the turbulent effect along...

...-rate and pumps. Complementary, polymer stability must be monitored during the injectivity test to reduce viscosity fluctuations, and a flowback test will finally validate the whole process asserting absence of polymer degradation at reservoir conditions. In Los Perales three wells were tested for HPAM...

... in two limiting propagation regimes: toughness-fracture storage and viscosity-fracture storage dominated. The model fully couples permeable rock deformation and fluid flow inside and across the fractures. The hydromechanical triple-nodded zero thickness interface element has been combined...

..., and compressive strength greater than 1,100 psi cement formulation drilling fluids and materials cement property drilling fluid property drilling fluid chemistry drilling fluid selection and formulation fluid loss control drilling fluid formulation annular pressure drilling plastic viscosity...

... horizontal wells. Nevertheless, the live oil viscosity variation at reservoir conditions (1,500 to 20,000 cp) represents a production challenge in the field. This study aims to improve the fluid heterogeneity understanding in the field through the application of PVT (Pressure, Volume and Temperature...

... Abstract As a kind of water saving and green fracturing methodology, the innovative LPG fracturing fluid system that is developed by Gasfrac is known for its low density, viscosity and surface tension, making satisfying achievements in McCully Gasfield in Canada. However, it has not been...

... correlation sandstone live oil viscosity viscosity west play PVT measurement bubble point pressure composition coefficient crude oil reservoir Oil Viscosity API gravity crude oil classification statistical result ecuadorian crude oil graphical comparison Introduction Ecuadorian oil...

... in temperature in the horizontal section was evaluated through numerical simulation. Some other parameters such as changes in viscosity vs temperature, frictional pressure losses in the horizontal section, heating time were also investigated. This procedure allowed the selection of the most prospective wells...

... by a viscoelastic polymer solution. For evaluation purposes, viscosity of the polymer and polystyrene oxide solution are approximately matched. Furthermore, tracer particles are attached to the aqueous phase to enable high quality streamline visualization. The streamline data is gathered using a highspeed camera...

... and upgrading reaction activity on the three different sorbents at 260 0 C and a final vapor pressure of around 700 psi. After a 6-h batch reaction, the order of H 2 S removal achieved was Ni (83%) < Fe (93%) < Cu (~100%). However, the order in terms of upgrading activity (viscosity reduction, Δμ) was Cu...

... behavior in the presence of strong bases like lime becomes stable as the rolling up temperature increases until 120°C, whereas when there is no lime in the composition the behavior is more constant in all the cases and the change of viscosity with respect to the initial viscosity is smaller. The presence...

... that the selected polymer at the target concentration was not significantly degraded in the reservoir. enhanced recovery injector viscosity polymer concentration Modeling & Simulation polymer injection tracer surveillance chemical flooding methods Flow profile Rayoso Formation polymer flooding...

...; water cut reduction and increases in the fluid levels for the offset producers. Based on the pilot success, the feasibility of expanding this EOR method is evaluated as strategy to revitalize this field. waterflooding chemical flooding methods concentration information viscosity Pilot Test...

.... In addition, the results can also be used to benchmark reservoir simulation results which can often be too optimistic or to compare performances of pilot projects in other fields. waterflooding Upstream Oil & Gas enhanced recovery tertiary polymer flood recovery factor heavy oil viscosity Oil...