Fluid Displacement Study of Various Non_Newtonian Fluids in a Digitalized Flow Setup

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Fluid Displacement Study of Various Non_Newtonian Fluids in a Digitalized Flow Setup. / Masching, Nico.
2023.

Publikationen: Thesis / Studienabschlussarbeiten und HabilitationsschriftenMasterarbeit

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@mastersthesis{27721cd94e0f4ff394843b639336c5bd,
title = "Fluid Displacement Study of Various Non_Newtonian Fluids in a Digitalized Flow Setup",
abstract = "In the course of this master thesis, high-speed camera images were analysed to draw direct conclusions on the efficiency of fluid displacement processes as they occur in primary cementing operations in the oil and gas industry. These are about ensuring the integrity of wells, using cement as a well barrier element, which is inherently difficult due to complex trajectories and great depths. In addition to efficiency, it was also an objective to determine the degree of intermixing by means of optical spectrometry. An individual experimental setup, consisting of several components, first of all a transparent Plexiglas tube simulating a well, was created to visualize the displacement process. The generated images were analysed by means of a specially created Python program code using thresholding methods. All spectrometer data was processed and analysed. In all experiments, non-Newtonian drilling fluids with additives commonly used in the industry were utilized. The code used to analyse the displacement process has proven itself and the spectrometer has turned out to be a promising novel technique for investigating the degree of intermixing and its impact on cement integrity.",
keywords = "Integrit{\"a}t, Zementation, Barrieren, Verdr{\"a}ngungsprozess, High-Speed Kamera, Spektrometer, Fl{\"u}ssigkeitsfront, Bohrsp{\"u}lung, Additive, Durchmischung, Programmcode, Bildanalyse, Schwellenwertverfahren, Kontamination, Visualisierung, Versuchsaufbau, Experimentreihen, Well integrity, Cement, Well Barrier Element, Drilling Fluid, Spacer Fluid, Fluid Displacement, Displacement efficiency, Image Analysis, High-speed camera, Spectrometer, Fluid Front, Intermixing, Thresholding methods, Program Code, Experimental Study",
author = "Nico Masching",
note = "no embargo",
year = "2023",
language = "English",
school = "Montanuniversitaet Leoben (000)",

}

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TY - THES

T1 - Fluid Displacement Study of Various Non_Newtonian Fluids in a Digitalized Flow Setup

AU - Masching, Nico

N1 - no embargo

PY - 2023

Y1 - 2023

N2 - In the course of this master thesis, high-speed camera images were analysed to draw direct conclusions on the efficiency of fluid displacement processes as they occur in primary cementing operations in the oil and gas industry. These are about ensuring the integrity of wells, using cement as a well barrier element, which is inherently difficult due to complex trajectories and great depths. In addition to efficiency, it was also an objective to determine the degree of intermixing by means of optical spectrometry. An individual experimental setup, consisting of several components, first of all a transparent Plexiglas tube simulating a well, was created to visualize the displacement process. The generated images were analysed by means of a specially created Python program code using thresholding methods. All spectrometer data was processed and analysed. In all experiments, non-Newtonian drilling fluids with additives commonly used in the industry were utilized. The code used to analyse the displacement process has proven itself and the spectrometer has turned out to be a promising novel technique for investigating the degree of intermixing and its impact on cement integrity.

AB - In the course of this master thesis, high-speed camera images were analysed to draw direct conclusions on the efficiency of fluid displacement processes as they occur in primary cementing operations in the oil and gas industry. These are about ensuring the integrity of wells, using cement as a well barrier element, which is inherently difficult due to complex trajectories and great depths. In addition to efficiency, it was also an objective to determine the degree of intermixing by means of optical spectrometry. An individual experimental setup, consisting of several components, first of all a transparent Plexiglas tube simulating a well, was created to visualize the displacement process. The generated images were analysed by means of a specially created Python program code using thresholding methods. All spectrometer data was processed and analysed. In all experiments, non-Newtonian drilling fluids with additives commonly used in the industry were utilized. The code used to analyse the displacement process has proven itself and the spectrometer has turned out to be a promising novel technique for investigating the degree of intermixing and its impact on cement integrity.

KW - Integrität

KW - Zementation

KW - Barrieren

KW - Verdrängungsprozess

KW - High-Speed Kamera

KW - Spektrometer

KW - Flüssigkeitsfront

KW - Bohrspülung

KW - Additive

KW - Durchmischung

KW - Programmcode

KW - Bildanalyse

KW - Schwellenwertverfahren

KW - Kontamination

KW - Visualisierung

KW - Versuchsaufbau

KW - Experimentreihen

KW - Well integrity

KW - Cement

KW - Well Barrier Element

KW - Drilling Fluid

KW - Spacer Fluid

KW - Fluid Displacement

KW - Displacement efficiency

KW - Image Analysis

KW - High-speed camera

KW - Spectrometer

KW - Fluid Front

KW - Intermixing

KW - Thresholding methods

KW - Program Code

KW - Experimental Study

M3 - Master's Thesis

ER -