... In this work, build on previous efforts reported in ( AlSofi et al., 2015 ) and complement the methodlogy and results especially in terms of presentation. We firstly demonstrate the decomposition of those two effects and its utility. We first reexamine the definitions of sweep efficiency...

... 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...

... Abstract The traditional trial and error approach of history matching to obtain an accurate model requires engineers to control each uncertain parameter and can be quite time consuming and inefficient. However, automatic history matching (AHM), assisted by computers, is an efficient process...

... and the overburden also leads to heat losses. The objective of this paper is to investigate how Foam Assisted-SAGD could mitigate these technical issues and improve the efficiency of the SAGD process. Compositional thermal reservoir simulations are used to simulate and analyze a Foam Assisted-SAGD pilot. The shear...

... reservoirs. polymer salinity Upstream Oil & Gas objective enhanced recovery Efficiency application mobility control carbonate reservoir Modeling & Simulation EOR technology recovery factor injection enhanced oil recovery artificial intelligence EOR application reservoir...

... factors on the heat loss and efficiency of steam circulation by considering the properties of tubing, annulus, liner, fluid components and formations on a conceptual model. Using an advanced criterion by monitoring the temperature distributions near the wellbore, wellbore operations including...

... to mitigate formation damage was implemented. This is achieved via abrasive jetting and thermal conductivity techniques to induce micro fractures that vastly enhanced the fracture efficiency, with velocity strings combined with depletion compression. Furthermore, the characterization and simulation efforts...

... oil (0.24 cP). One approach to overcome this issue is to thicken the injected gas to effectively control the gas mobility and increase the sweep efficiency. This study will present the details of a numerical reservoir simulation study, which assesses the potential benefits of adding polymers...

... system and high computation expenses, where the time stepping is a crucial factor for numerical stability and computational efficiency. In this paper, an adaptive time stepping with the modified local error method was presented to reduce iteration time and improve the computation efficiency...

..., field injectivity tests, pilot water injection and intensive surveillance plan. Water injection is part of field redevelopment plan and will increase recovery factor by 7.3%. Upstream Oil & Gas mobility ratio sweep efficiency fracture pressure injector viscosity producer interpretation...

... Abstract Parallel reservoir simulators are now widely used with availability of super computers. Modern massively parallel supercomputers demonstrate great power for simulating large-scale reservoir models. However, improving scalability and efficiency for fully implicit methods on emerging...

... for better understanding of micro-scale displacement efficiency and will help to optimize polymer flooding designs for enhanced oil recovery (EOR) projects. Numerical modelling of viscoelastic fluids is notoriously difficult. Standard Galerkin finite element method tends to have numerical oscillations...

... and real-time data in intelligent/smart fields can be used to make efficient decisions for improving field production. However, large volumes of data may not necessarily result in high-quality decisions, especially when uncertainty exists in the field development. In this paper, a decision-making approach...

... sweep efficiency, and low mobility ratios, all of which can dramatically impair oil recoveries. Vast amounts of remaining oil-in-place have led operators to analyze opportunities to improve WF management and production. This paper presents an approach to increase recovery and improve performance...

... result shows that emulsification role is favor of further improvement of displacement efficiency on middle-high permeability layer, moreover, it could enhance sweep efficiency of low-middle layer. Alkaline scale could decrease inject capability of injection wells and produce capability of oil wells...

... parallel reservoir simulation, waterflood efficiency algorithm, streamline visualization, and ensemble-based optimization method. With a reservoir dimension longer than 48 km, parallel reservoir simulation becomes necessary for an integrated Burgan field study. Through history matching of 60-year...

... displacement Upstream Oil & Gas enhanced recovery Efficiency Asphaltene Precipitation evaluation experiment Asphaltene Flocculation asphaltene Oil Recovery co2 injection reservoir fluid permeability reduction reservoir Introduction Oil recovery factor (RF) is usually broken...

... development process gives a relatively poor recovery factor. This is the lowest of all the Non-hydrocarbon Gas Injection (NHGI-WAG) development processes investigated. Development Process mobility ratio Modeling & Simulation Efficiency Upstream Oil & Gas simulation model enhanced recovery...

... ). Waterflooding is a method of secondary recovery in which water is injected into a reservoir in order to move additional quantities of oil from the injection toward producing wells. A simple recovery mechanism is increasing the volumetric (both areal and vertical) sweep efficiency in the reservoir. This sweep...

... project was avoided due to low achievable water injection rate. A miscible gas injection project is examined in this study. The purpose of gas injection is to maintain reservoir pressure and improve the microscopic efficiency to increase the overall recovery in the field. A laboratory study revealed...