Blar i NTNU Open på forfatter "Stanko, Milan"
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Evaluation of Models to Predict Liquid Loading in Gas Wells
Enos, Masolwa Kasongi (Master thesis, 2018)Liquid production in the form of water or condensate is essentially the most common problem in mature gas wells. For efficient operation of the well, the produced liquid must be continuously transported to the surface. ... -
Evaluation of Production Enhancement Alternatives for the Morvin Field
Miranda Costa, Talita (Master thesis, 2016)Fields producing by pure depletion face challenges due to the low reservoir pressure after some years of production. This pressure is insufficient for fluid to flow at a desired rate from the reservoir up to the surface ... -
Evaluation of two Commercial Flow Simulation Tools for Modeling of Subsea Carbon Dioxide Injection Systems
Lien, Markus (Master thesis, 2023)En analyse av to kjente simuleringsverktøy for flerfasestrøm, LedaFlow (versjon 2.8.264.024) og OLGA (versjon 2020.2.0), ble utført for å simulere CO2-injeksjonssystemer og evaluere ytelsen til disse verktøyene. Målet var ... -
Experimental and Numerical Study of Fluid Displacement in Subsea Pipe Sections
Folde, Hanne Gjerstad (Master thesis, 2017)The objective of the thesis is to study displacement operations in offshore petroleum industry. Typically MEG or Methanol is circulated through parts of the subsea production systems to lower their hydrocarbon content. ... -
Experimental and Numerical Study of Oil-Water Dispersions at the Inlet of a Pipe Separator
Ellertsen, Ellen Kristine Knudsen (Master thesis, 2018)In the production of petroleum, it is normal to not only produce oil and gas, but also to produce water. Over the lifetime of the fields, the amount of water produced will normally increase. The additional water will later ... -
Experimental Characterization and Evaluation of Crude Spiking Influence on Oil/Water Dispersed Flow in Pipe
Asaadian, Hamidreza; Stanko, Milan (Peer reviewed; Journal article, 2023)This study centers around examining the impact of introducing varying (small) quantities of crude oil into mineral oil (Exxsol D60) on the resultant properties of dispersions and emulsions in oil–salty-water mixture ... -
Experimental quantification of the performance of a horizontal multi-pipe bulk separator of water and oil with crude spiking
Asaadian, Hamidreza; Stanko, Milan (Peer reviewed; Journal article, 2023)Subsea water separation with pipe separators is crucial for ensuring efficient and environmentally responsible extraction of oil and gas from the seabed. In this study, in a process called as “crude oil spiking,” two ... -
Experimental Study of Multiphase Flow Through One-Way Valves for SWEOR Concept
Nawfal, Omran (Master thesis, 2021)This thesis studies the efficiency of conical seat one-way ball-type valves, and the possibility of their usage in the frac-to-frac method in tight oil reservoirs through the single well enhanced oil recovery method. ... -
Experimental study of oil-water separation techniques
Hestdahl, Espen Olaf (Master thesis, 2017)As hydrocarbon reservoirs mature they will increase their production of water, also operators are moving to deeper waters and marginal fields. As a result, the costs of processing and handling increases. Compact subsea ... -
Experimental Study of the Performance of Ball-Type Check Valves in Cyclic Fracture-to-Fracture SWEOR
Abbouchy, Karl Jørgen (Master thesis, 2022)One of the proven high recovery gas EOR techniques is the single-well fracture-to-fracture method, where injection and production of gas happens in an asynchronous, cyclic way through alternating injection and production ... -
Experiments and Numeric Simulation on Displacement and Flushing of Hydrocarbon Fluid in Subsea Systems
Opstvedt, Jon Arne Karstad (Master thesis, 2016)With the increasing number of subsea developments in the oil and gas industry, there is a need for more, and reliable, information on how to conduct safe and well informed subsea operations. One of the hot topics today is ... -
Feasibility study on Subsea Power Generation from Wellstream Heat using a Binary Organic Rankine Cycle
Gleditsch, Roger Jakobsen (Master thesis, 2018)Geothermal heat from the subsurface can potentially be used as a clean energy source for offshore oil and gas producing facilities in the future. This thesis investigates the feasibility of thermal energy conversion by the ... -
Field Development Study of an Offshore Gas Asset in Tanzania using Reservoir and Surface Network Simulations - Case Study: Block 2 Offshore Tanzania
Kiyuga, Nyorobi Busanda (Master thesis, 2016)This thesis focused on performing more field development studies for the Block 2 through integration of reservoir and surface network models. The study was not limited to Statoil proposed strategy; Tangawizi reservoir was ... -
Formulations for automatic optimization of decommissioning timing in offshore oil and gas field development planning
Lei, Guowen; Stanko, Milan; Silva, Thiago Lima (Journal article; Peer reviewed, 2022)A mathematical programming formulation has been developed to optimize the drilling program, the production allocation, and the decommissioning time in early-stage field development planning. Various abandonment constraints ... -
Further development of a Network Solver with gas lift optimization
Flatebakken, Vemund (Master thesis, 2017)The present Master's Thesis describes a further development of a Network Solver that checks if a certain oil rate is feasible for a given reservoir pressure. Reservoir pressure and surface formation rates are the inputs ... -
An improved model for predicting liquid loading onset in inclined pipes with non-uniform liquid wall films
Vieira, Cleide Rosemine Gany; Stanko, Milan; Oplt, Tomas (Peer reviewed; Journal article, 2021)Liquid loading is a phenomenon in which liquid accumulates in the wellbore of mature gas wells, causing a significant reduction in production and sometimes permanent well abandonment. This paper introduces a new model for ... -
Improving Performance on Gazela Field Fox Jacket Wells - Analysis of the Injectors and Producers Wells
Da-Cunha-Andre, Genilson Filipe (Master thesis, 2015)The following report analysing one of the jacket in Gazela field is located offshore of Cabinda province, that has combination of 8 produceres wells and 4 injectors wells. To achieve it production and injection data ... -
In-Depth Understanding of ICD Completion Technology Working Principle
Pinilla, Andres; Stanko, Milan; Asuaje, Miguel; Ratkovich, Nicolas (Journal article, 2022)The rate-controlled production (RCP) inflow control devices (ICDs) are valves placed in the lower completion of oil and gas wells, capable of autonomously controlling the reservoir inflow. This completion technology ... -
A material balance model based on mass conservation in the producing layer and gas and water injection in non-communicating gas-cap and aquifer layers
Stanko, Milan (Peer reviewed; Journal article, 2021)In this work a material balance model has been developed, expanding the previous work of Borthne (1986), based on: the modified black-oil model, mass-conservation in the producing layer, gas and water injection in ... -
A Mathematical Programming Approach to Determine Optimal Tieback Development Concepts of Two Offshore Oil Fields in the Barents Sea
Lei, Guowen; Silva, Thiago Lima; Stanko, Milan (Chapter, 2021)In this paper, we present a mathematical programming approach to evaluate the conceptual study of regional integrated development for Alta-Gohta discoveries in the Barents Sea. Two alternative scenarios are investigated, ...