Blar i Department of Energy and Petroleum Engineering (TN-IEP) på dokumenttype "Peer reviewed"
Viser treff 1-20 av 218
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A decision support system for multi-target geosteering
(Journal article; Peer reviewed, 2019-12)Geosteering is a sequential decision process under uncertainty. The goal of geosteering is to maximize the expected value of the well, which should be defined by an objective value-function for each operation. In this paper ... -
A Hierarchy of Non-Equilibrium Two-Phase Flow Models
(Journal article; Peer reviewed, 2019-10)We review and extend a hierarchy of relaxation models for two-phase flow. The models are derived from the non-equilibrium Baer–Nunziato model, which is endowed with relaxation source terms to drive it towards equilibrium. ... -
A Widespread Review of Smart Grids Towards Smart Cities
(Journal article; Peer reviewed, 2019-11)Nowadays, the importance of energy management and optimization by means of smart devices has arisen as an important issue. On the other hand, the intelligent application of smart devices stands as a key element in establishing ... -
Adaptive mesh refinement in locally conservative level set methods for multiphase fluid displacements in porous media
(Peer reviewed; Journal article, 2023)Multiphase flow in porous media often occurs with the formation and coalescence of fluid ganglia. Accurate predictions of such mechanisms in complex pore geometries require simulation models with local mass conservation ... -
Adsorption of Crude Oil Components onto Carbonate and Sandstone Outcrop Rocks and Its Effect on Wettability
(Peer reviewed; Journal article, 2021-03)The processes of establishing and altering reservoir wettability are still subjects of discussion due to the complexity of the underlying crude oil–brine–rock interactions. This study was aimed at investigating the ... -
Advances in Solar PV Systems; A Comprehensive Review of PV Performance, Influencing Factors, and Mitigation Techniques
(Peer reviewed; Journal article, 2022)PV power plants utilizing solar energy to generate electricity on a large scale has become a trend and a new option that has been adopted by many countries; however, in actuality, it is difficult to anticipate how much ... -
Aging and Temperature Effects on the Performance of Sustainable One-Part Geopolymers Developed for Well-Cementing Applications
(Peer reviewed; Journal article, 2023)This study elucidates the effects of aging and temperature over the performance of one-part “just add water” (JAW) granite-based geopolymers for application in well cementing and well abandonment. Additionally, the ... -
Alternative setting materials for primary cementing and zonal isolation – Laboratory evaluation of rheological and mechanical properties
(Peer reviewed; Journal article, 2021)Portland cement is the prime zonal isolation material used in hydrocarbon wells and its utilization has been extended to geothermal, carbon sequestration and gas storage wells. Despite the vast quantity of research activities ... -
Analysis of nonlinear effects in fluid flows through porous media
(Peer reviewed; Journal article, 2022-01)This article examines the nonlinear effects of fluid flow in a porous medium, governed by a new semi-analytical equation, from three aspects: equation derivation, experimental verification, and macroscale simulation ... -
Analytical modeling and correction of steady state relative permeability experiments with capillary end effects – An improved intercept method, scaling and general capillary numbers
(Peer reviewed; Journal article, 2021)Steady state relative permeability experiments are performed by co-injection of two fluids through core plug samples. Effective relative permeabilities can be calculated from the stabilized pressure drop using Darcy’s law ... -
Analytical modeling of steady state relative permeability experiments with end effects – An improved intercept method, scaling and general capillary numbers
(Peer reviewed; Journal article, 2021)Steady state relative permeability experiments are performed by co-injection of two fluids through core plug samples. Effective relative permeabilities can be calculated from the stabilized pressure drop using Darcy’s law ... -
Analytical solutions for forced and spontaneous imbibition accounting for viscous coupling
(Journal article; Peer reviewed, 2019-11-22)Fluid-fluid momentum transfer can cause higher flow resistance when fluids flow in opposite directions as compared to the same direction. Conventional modelling of flow in porous media using simple, saturation dependent relative ... -
Annular frictional pressure losses for drilling fluids
(Peer reviewed; Journal article, 2020)In the paper it is demonstrated how a Herschel-Bulkley fluid model, where the parameters are selected from relevant shear rate range of the flow and are parametrically independent, can be used for pressure loss calculations. ... -
Annular frictional pressure losses for drilling fluids
(Peer reviewed; Journal article, 2021)In the paper, it is demonstrated how a Herschel–Bulkley fluid model, where the parameters are selected from relevant shear rate range of the flow and are parametrically independent, can be used for pressure loss calculations. ... -
The Application of an Artificial Neural Network as a Baseline Model for Condition Monitoring of Innovative Humidified Micro Gas Turbine Cycles
(Peer reviewed; Journal article, 2023)Due to high penetration of renewables, the EU energy system is undergoing a transition from large-scale centralized generation toward small-scale distributed generation. The increasing share of intermittent renewables such ... -
Application of machine learning modeling for the upstream oil and gas industry injury rate prediction
(Peer reviewed; Journal article, 2024-04)Introduction: Yearly, the International Labor Organization report indicates many workplace accident occurrences. The degree of the happenings depends on the workplace environment setting and the incident regulatory measures ... -
Application of mathematical and machine learning models to predict differential pressure of autonomous downhole inflow control devices
(Peer reviewed; Journal article, 2021)Controlling reservoir fluid flow is important for maximizing petroleum production through wellbores. A major challenge that reduces the production of oil is early breakthrough of secondary fluids to the wellbore perforations. ... -
Application of multicriteria fuzzy clusterization approach to assess the arctic seas oil and gas field development prospects
(Peer reviewed; Journal article, 2019)The article describes a unified approach to the assessment of resources and business planning. As an example, the oil and gas resources of the Pechora Sea are considered in the paper. Based on the specifics of the problem ... -
Application of non-parametric statistical methods to predict pumpability of geopolymers for well cementing
(Peer reviewed; Journal article, 2022)As a potential alternative to Portland cement, geopolymers are getting wider acceptance in the scientific world. On a laboratory scale, the latter is being experimented repeatedly to extract valuable and valid results. To ... -
An approach for optimization of controllable drilling parameters for motorized bottom hole assembly in a specific formation
(Peer reviewed; Journal article, 2023)This study focuses on optimizing drilling parameters when using Positive Displacement Motors (PDMs). In drilling operations involving mud motors, weight-on-bit (WOB) alterations lead to variations in the system's parasitic ...