Blar i Department of Energy and Petroleum Engineering (TN-IEP) på utgivelsesdato
Viser treff 101-120 av 594
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Interaction of silica nanoparticles with chalk and sandstone minerals: Adsorption, fluid/rock interactions in the absence and presence of hydrocarbons
(PhD thesis UiS;452, Doctoral thesis, 2019-04)Conventional oil production from petroleum reservoirs generally leaves more that 50% of the original oil in place unrecovered. This residual oil is the target of various enhanced oil recovery (EOR) techniques that involve ... -
Alternative applications of wired drill pipe in drilling and well operations
(Masteroppgave/UIS-TN-IEP/2019;, Master thesis, 2019-06)Oil and gas companies target to carry out drilling and other well operations in a safe and cost-effective manner with focus on the long-term integrity of the wells. Well operations become more challenging in environments ... -
Input Selection for Dimensionless Shear Rates in Herschel-Bulkley and Power-Law Models
(Masteroppgave/UIS-TN-IEP/2019;, Master thesis, 2019-06)Herschel-Bulkley and Power-Law models are mathematical expressions widely used to describe the pseudoplastic nature of drilling muds. Despite their popularity, these models carry an intrinsic limitation because the consistency ... -
Flexible Geopolymer for Oil and Gas Well Cementing: An Experimental Study
(Masteroppgave/UIS-TN-IEP/2019;, Master thesis, 2019-06)Conventional wellbore cementing materials used in the oil and gas industry are normally brittle, have low tensile strength and suffer from shrinkage. These properties affect the performance of these materials in downhole ... -
Manipulation of the choke pressure during Managed Pressurized Drilling (MPD) operation
(Masteroppgave/UIS-TN-IEP/2019;, Master thesis, 2019-06)In the present investigation, the disturbance and its effect on the bottom hole pressure has been studied. After digging into the prior works, it’s figured out that the reason of their failure is oversimplification and ... -
Thermodynamic analysis of an ejector-absorption heat transformer utilizing H2O-LiBr and a new working fluid H2O-[EMIM][DMP]
(Masteroppgave/UIS-TN-IEP/2019;, Master thesis, 2019-06)The focus on human impact on the environment has increased within recent decades. Several large concerns regarding the threats to the stability of the environment have been brought up in public discussions. Amongst the ... -
An experimental study of unsupported pipe buckling in live well intervention
(Masteroppgave/UIS-TN-IEP/2019;, Master thesis, 2019-06)In this experimental study, unsupported pipe experiments are conducted. Information regarding intervention operation, focusing on snubbing operations in live well interventions and unsupported buckling during these operations, ... -
A Study of the Effect of Pressure and Temperature on the Mechanical Friction of Four Different Fluids Using a Specially Designed Setup
(Masteroppgave/UIS-TN-IEP/2019;, Master thesis, 2019-06)The mechanical friction caused by the contact between the rotating drillstring and the borehole or casing can lead to significant challenges such as excessive torque and drag, limitation in running speed of drillstring and ... -
A Riemann solver for the Drift-Flux Flow Model
(Masteroppgave/UIS-TN-IEP/2019;, Master thesis, 2019-06)In this thesis we present a method for calculating exact solutions to a system of equations for two phase flow. This solution is valid for a special case of initial condition called the Riemann problem. The system consists ... -
Potential Utilization of Neutron Logging for Casing Cement Evaluation
(Masteroppgave/UIS-TN-IEP/2019;, Master thesis, 2019-06)Verification of casing cement integrity is crucial to ensure that the cement fulfills its purpose of zonal isolation, for optimal production and safety. This thesis introduces cement evaluation technology on the market ... -
Evaluation of Casing Exit Setting Depth Criteria for Whipstock
(Masteroppgave/UIS-TN-IEP/2019;, Master thesis, 2019-06)Baker Hughes GE has conducted several hundred whipstock operations over the last years on the NCS with a high success rate. This work will go into detail on some of the operations that were less successful, particularly ... -
Ormen Lange 6305/7 drilling data based ROP modelling and its application
(Masteroppgave/UIS-TN-IEP/2019;, Master thesis, 2019-06)During design and planning phase, determination of the accurate rate of penetration (ROP) is essential for efficient drilling operations. Optimized ROP predictions improve the drilling efficiency in terms of decreasing ... -
Experimental investigation of the high-pressure sealing capacity for three different LCM systems
(Masteroppgave/UIS-TN-IEP/2019;, Master thesis, 2019-06)As loss of circulation is still a major problem in the drilling industry, hundreds of lost circulation treatments are available on the market. The goal of this thesis is not to present a complete list of available products, ... -
Optimization of perforation design at Oseberg South with regards to perforation clean-up and productivity
(Masteroppgave/UIS-TN-IEP/2019;, Master thesis, 2019-06)The Oseberg South field, originally estimated to contain 93.4 Sm3 oil equivalent of recoverable reserves, has been producing since 1985. Recent reports estimate remaining reserves to be approximately 25.1 Sm3 oil equivalents. ... -
Availability and Quality of Drilling Data in the Volve Dataset
(Masteroppgave/UIS-TN-IEP/2019;, Master thesis, 2019-06)The importance of data sharing cannot be overexaggerated today, when the recent trend toward automation fundamentally reshapes the way of how operations are done in the oil industry. The emergence of real-time trend analysis ... -
Analysis of flame propagation using an imaging technique BOS (Background Oriented Schlieren) and PIV (Particle Imaging Velocimetry).
(Masteroppgave/UIS-TN-IEP/2019;, Master thesis, 2019-06)An experimental and simulation work has been conducted to study premixed flame propagation using imaging technique BOS (background oriented schlieren) and PIV (particle imaging velocimetry). Flame images obtained from ... -
Water flooding of Eldfisk reservoir cores
(Masteroppgave/UIS-TN-IEP/2019;, Master thesis, 2019-06)Enhanced Oil Recovery (EOR) and the effect of the aqueous chemistry on the mechanical strength of chalk have been extensively studied over the years. This is simply because the stability of the reservoir system is affected ... -
Water Injection in Wisting - importance of barrier management
(Masteroppgave/UIS-TN-IEP/2019;, Master thesis, 2019-06-07)A preselected Wisting well injector design has been used as a basis for this study. Because of the challenges following an ultra shallow reservoir and an almost negligible stress contrast between the reservoir and cap rock, ... -
A Novel Approach to Qualifying Bismuth as a Barrier Material
(Masteroppgave/UIS-TN-IEP/2019;, Master thesis, 2019-06-12)The barrier material conventionally used for permanent P&A is cement. Since two barriers are a requirement to properly isolate potentially flowing formations, the reliability of the barriers could be enhanced by introducing ... -
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 ...