Blar i Vitenskapelige publikasjoner (TN-IPT) på utgivelsesdato
Viser treff 21-33 av 33
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Experimental investigation of fracture width limitations of granular lost circulation treatments
(Journal article; Peer reviewed, 2016-01)Drilling fluid losses into fractured shales is a major challenge. Lost circulation treatments are widely applied to mitigate the losses; however, the effectiveness of these treatments is affected by different physical ... -
How stress and temperature conditions affect rock-fluid chemistry and mechanical deformation
(Journal article; Peer reviewed, 2016-03)We report the results from a series of chalk flow-through-compaction experiments performed at three effective stresses (0.5, 3.5, and 12.3MPa) and two temperatures (92 and 130◦C). The results show that both stress and ... -
Gas Hydrate Growth Kinetics: A Parametric Study
(Journal article; Peer reviewed, 2016-12)Abstract: Gas hydrate growth kinetics was studied at a pressure of 90 bars to investigate the effect of temperature, initial water content, stirring rate, and reactor size in stirred semi-batch autoclave reactors. The ... -
The Effect Of MoS2 -And Graphene Nanoparticles On The Properties & Performance Of Polymer /Salt Treated Bentonite
(Journal article; Peer reviewed, 2017)Among others, properly designed drilling fluid is a key for a success of drilling operation. The rheology, and lubricity of drilling fluids control the hydraulics, hole cleaning and the mechanical friction between string ... -
The Effect Of Titanium Nitride(TiN) Nanoparticle On The Properties & Performance Bentonite Drilling Fluid
(Journal article; Peer reviewed, 2017)In recent years, the application of nano technology is attracting the oil and gas industry. Nanomaterials research results show an improving result of cement, drilling fluid and Enhanced Oil Recovery. In this paper, the ... -
Reduction of the effective shear viscosity in polymer solutions due to crossflow migration in microchannels: Effective viscosity models based on DPD simulations
(Journal article, 2017-03)Molecular dynamics simulations (dissipative particle dynamics–DPD) were developed and used to quantify wall-normal migration of polymer chains in microchannel Poseuille flow. Crossflow migration due to viscous interaction ... -
Development and Characterization of Norite-Based Cementitious Binder from an Ilmenite Mine Waste Stream
(Journal article; Peer reviewed, 2017-08)Norite is a major type of solid waste generated during the production of ilmenite. This study focuses on the usability of norite as a solid precursor of alkali-activated cement. Sensitivity analysis was performed to find ... -
The effects of pH, time and temperature on the stability and viscosity of cellulose nanocrystal (CNC) dispersions: implications for use in enhanced oil recovery
(Journal article; Peer reviewed, 2017-08)Cellulose nanocrystals (CNC) are currently being investigated as potential additives for enhanced oil recovery (EOR). Presented in this paper is a study investigating the effects of different physical and chemical environments ... -
Effect of Various Silica Nanofluids: Reduction of Fines Migrations and Surface Modification of Berea Sandstone
(Journal article; Peer reviewed, 2017-11)Abstract: This work is aimed at addressing surface modification of berea sandstone by silica nanofluids (NFs). Three types of nanofluids were used: silica/deionized water (DIW), silica in DIW with a stabilizer fluid ... -
Repeated post-Caledonian intra-cratonic rifting in the central North Sea: Evidence from the volcanic record in the Embla oil field
(Journal article; Peer reviewed, 2017-11)Intrusive and extrusive mafic igneous rocks in the Embla oil field, central North Sea, testify to repeated post-Caledonian magmatism on the northern flank of the Mid North Sea High. The igneous rocks are highly clay- and ... -
Incorporating electrostatic effects into the effective stress relation — Insights from chalk experiments
(Journal article; Peer reviewed, 2018-01)Which forces are responsible for holding highly porous chalks together? We use the effective stress to quantify the electrostatic effects around particle contacts originating from the adsorption of ions onto charged mineral ... -
Experimental Methods for Investigation of Drilling Fluid Displacement in Irregular Annuli
(Peer reviewed; Journal article, 2020)Experimental methods are still indispensable for fluid mechanics research, despite advancements in the modelling and computer simulation field. Experimental data are vital for validating simulations of complex flow systems. ... -
Effect of nanoparticles on properties of geopolymers designed for well cementing applications
(Peer reviewed; Journal article, 2020)Recently the focus of the oil and gas industry is to find the alternative material for well barrier applications. Geopolymers are among the suggested materials, which could be used in the future to solve the well integrity ...