Browsing Department of Energy and Petroleum Engineering (TN-IEP) by Title
Now showing items 136-155 of 570
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Dashboard for visualization, evaluation and modeling of wellbore and field H2S production
(Masteroppgave/UIS-TN-IEP/2018;, Master thesis, 2018-06)For several years, continuously increasing amounts of hydrogen sulfide (H2S) are being produced from numerous fields on the Norwegian Continental Shelf as a result of reservoir souring. Reservoir souring – increasing ... -
DATA DRIVEN BHP PREDICTION DURING NORMAL DRILLING AND KICK
(Bachelor thesis, 2023)Accurate bottom hole pressure (BHP) prediction during drilling with and without kick play crucial roles in maintaining the safety and efficiency of drilling operations in the oil and gas industry. Traditional methods for ... -
Data Driven ROP Modeling - Analysis and Feasibility Study
(Masteroppgave/UIS-TN-IEP/2020;, Master thesis, 2020-07-15)Increasing the drilling speed in wells while maintaining the operational safety standards is a challenge that many Petroleum Engineers have undertaken. In recent years, high complexity wells (Horizontal, Extended Reach, ... -
Data-driven Approach for Kick Detection and Trend Analysis in Drilling Operations
(Bachelor thesis, 2023)In the rapidly evolving landscape of the oil and gas industry, maintaining operational safety and optimizing drilling efficiency in complex wells, such as horizontal, extended reach, and HPHT wells, have emerged as paramount ... -
Data-Driven Approaches Tests on A Laboratory Drilling System
(Peer reviewed; Journal article, 2020)In recent years, considerable resources have been invested to exploit vast amounts of data that get collected during exploration, drilling and production of oil and gas. Data-related digital technologies potentially become ... -
Data-driven sensitivity analysis of complex machine learning models: A case study of directional drilling
(Peer reviewed; Journal article, 2020-12)Classical sensitivity analysis of machine learning regression models is a topic sparse in literature. Most of data-driven models are complex black boxes with limited potential of extracting mathematical understanding of ... -
Day-ahead optimal scheduling of micro gas turbine-based microgrid considering electricity and heating energy
(Peer reviewed; Journal article, 2023)Microgrids are considered as the crucial element in the integration of various distributed energy resources in buildings. They are capable of operating in both grid-connected and islanded mode and have shown immense potential ... -
Decarbonization of the Iron and Steel Industry With Direct Reduction of Iron Ore with Green Hydrogen
(Peer reviewed; Journal article, 2020)Production of iron and steel releases seven percent of the global greenhouse gas (GHG) emissions. Incremental changes in present primary steel production technologies would not be sufficient to meet the emission reduction ... -
Decarbonizing primary steel production : Techno-economic assessment of a hydrogen based green steel production plant in Norway
(Peer reviewed; Journal article, 2022)High electricity cost is the biggest challenge faced by the steel industry in transitioning to hydrogen based steelmaking. A steel plant in Norway could have access to cheap, emission free electricity, high-quality iron ... -
Describing viscosity of IOR polymer solutions with differential non-Newtonian fluid models
(Masteroppgave/UIS-TN-IEP/2018;, Master thesis, 2018-06)The non-Newtonian viscosity of multiple of polymers was measured. For tests were taken polymers that are widely used in oil industry. They are: HEC; Xanthan gum; Polypack; Flopaam: 5115VHM, 5115VLM, AN 125VHM, AN 125VLM, ... -
Design and Early Age Performance of Sustainable One-Part Geopolymers for Well Cementing
(Peer reviewed; Journal article, 2023-10)One-part geopolymers, known as “just add water” (JAW), alkali-activated formulation is presented in this work. This work reveals the design and development of short-term properties of JAW geopolymers for use in oilwell ... -
Design and Optimization of an Autonomous Laboratory-Scale Drilling Rig and Bit Design for Directional Drilling
(Masteroppgave/UIS-TN-IEP/2020;, Master thesis, 2020-07-15)This report documents the work that has gone into the design and optimization of a laboratory-scale drilling rig and bit design for the purpose of directional drilling and to participate in the Drillbotics competition. ... -
Design of Johan Sverdrup water injectors – unlocking the 9 5/8” liner cement job
(Masteroppgave/UIS-TN-IEP/2018;, Master thesis, 2018-06-14)For the injection wells on Johan Sverdrup, cementing operations concerning the 9 5/8’’ liners are extraordinarily critical. Complications like equipment malfunction, losses, and lost rotation, both during circulation and ... -
Determinants of oil and gas investments on the Norwegian Continental Shelf
(Journal article; Peer reviewed, 2018-02)This paper studies the investment decisions by oil and gas companies operating on the Norwegian Continental Shelf. We account for the heterogeneity across the fields by including field-specific variables, including geological ... -
Determination of steel/cement friction coefficient
(Master thesis, 2023)Two different experimental approaches have been used to determine the kinetic coefficient of friction between carbon steel and concrete made of API class G well cement mixture. First experimental setup consists of sliding ... -
Developing a methodology for generating an influx management envelope in MPD operations.
(Masteroppgave/UIS-TN-IEP/2019;, Master thesis, 2019-06-12)In addition to enhancing drilling efficiency and safety, Managed Pressure Drilling (MPD) offers the potential for vast improvements in the influx handling process. Some of today's MPD technologies are designed to detect ... -
Development and Characterization of a Pressure Transmitting Sag Prevention Gel Pill
(Masteroppgave/UIS-TN-IEP/2020;, Master thesis, 2020-06-08)Barite sag is a risky phenomenon to manage as particle settlement occurs in all types of drilling fluids containing weighting agents’ materials to achieve density. This leads to the phenomenon of sag which is known to ... -
Development of a novel experimental technique for the measurement of residual wall layer thickness in water-oil displacement flows
(Peer reviewed; Journal article, 2023)The effective removal and displacement of fluids is important in many industrial and environmental applications, such as for operation and cleaning of process equipment, fluid injection in porous media for oil recovery or ... -
Development of a surrogate model of a trans-critical CO2 heat pump for use in operations optimization using an artificial neural network
(Peer reviewed; Journal article, 2023)Conventional physics-based models can demand substantial computational resources when employed for operational optimization. To allow faster system simulations that can be employed for operational optimization, a surrogate ... -
Development of One-Part Rock-Based Geopolymers for Downhole Cementing Applications
(Peer reviewed; Journal article, 2023-10)The use of geopolymers as a full replacement for cement in oil well cementing applications requires the development of not only environmentally friendly but also user-friendly cementitious materials. This study aims to ...