... the history. Abstract A multi-billion-barrel oil reservoir at onshore Abu Dhabi has been developed under depletion/aquifer water drive for over 30 years. Recently, significant number of producers have encountered water breakthroughs, some of which are highly suspected to be through the connected...

... functionality into our reservoir simulator and performed forward simulations to acquire model transformed and untransformed tracer breakthroughs. Specifically, the original tracer chemical (denoted tracer-1) can transform into a different chemical (denoted tracer-2) when encountering specific analytes...

... of thief zone results in earlier water breakthrough and faster water cut increase, which then lead to lower sweep efficiency and smaller recovery factor. Therefore, determining the distribution of thief zone and its impact towards production, and proposing a corresponding development plan are very...

... of the reservoir. This has helped to classify the reservoir based on the development needs and will play a critical role in designing the future strategies in less time. enhanced recovery Modeling & Simulation breakthrough waterflooding high permeability streak Reservoir Characterization Upstream...

... by simultaneous features of drastic watercut increasing, sharp spike in GR curve of injection profile, fast breakthrough of tracer and high permeability anomaly by well test. Core sample mechanical experiment and theory calculation support dynamic fractures propagating on the basis of pre-existence fractures...

... of breakthrough happened in some producing wells which made defining new well locations a challenging task. Gas injection has sweeping role as well as pressure maintenance, and based on studied reservoir heterogeneity the latter one was recognized as a dominant factor. After reviewing all available studies...

... Oil & Gas Modeling & Simulation drilling operation Reservoir Characterization Directional Drilling breakthrough simulated production cross-section wellbore Simulation experiment LWD measurement permeability sand lobe reservoir grid comparative analysis horizontal well...

... Sensitivity on grid size was undertaken considering 200m, 100m, 50m and 25m grid size. Impact on simulation outputs were assessed in terms of gas breakthrough time, oil production plteau length and calculated recovery factor. Findings suggested that larger grid size as per full field model tend...

... to determine fluid pathways between wells and evaluate areal water breakthrough between injectors and producers, along with estimating the velocities at which the injected water is breaking through, and these can be integrated in the geological and reservoir models of the field to reduce uncertainties...

... configurations of ICD completions are designed to control these breakthrough zones and are then simulated. ICD equipment options, such as reduced nozzle sizes and blank zones, are considered in the design. The simulation results of the various ICD configurations are compared to determine the optimal design...

... & simulation breakthrough reservoir pressure gas injection injector sector modeling study enhanced recovery upstream oil & gas wag ratio producer gas injection method gravity override gas injection pilot water injection spe 147999 pressure support injection production performance line...

... of wettability in the studies. reservoir simulation heterogeneity random heterogeneous case saturation enhanced recovery layered heterogeneous case relative permeability capillary pressure curve breakthrough oil production heterogeneous case water breakthrough reservoir oil recovery...

... in the tertiary gas injection measurements. breakthrough oil saturation flood gas injection method high pressure sample tertiary gas flood upstream oil & gas displacement saturation permeability tertiary wag oil recovery enhanced recovery hcpv initial oil saturation secondary water flood...

... range of fracture parameter values; and also to define the sensitivity of each fracture parameter. Dual media mini-sector simulation models are then used to compare water breakthrough time and evolution for different DFN models. The mini-sector models are also used to estimate the range of possible...

... communication waterflood conformance study enhanced recovery breakthrough porosity producer injectivity tarmat carbonate reservoir flow unit definition reservoir waterflooding simulation model Tvdss water injection permeability drillstem testing frac completion installation and operations spe...

... resolution 4D seismic. We also review how saturation profiles in swept zones can be estimated using well-to-well electro-magnetic image cross-sections. Finally, the impact of complex front shapes on sweep efficiencies, recovery factors, water breakthrough predictions and water cut curves versus time...