Zastosowanie mikrotomografii rentgenowskiej do rozwiązywania zagadnień geologicznych i geofizycznych

• Autorzy: Dohnalik M. , Zalewska J.

Warianty tytułu

EN

Applications of roentgen microtomography in solving geological and geophysical issues

• Języki publikacji: PL

Abstrakty

PL

W ramach pracy omówiono podstawy teoretyczne mikrotomografii rentgenowskiej, budowę i zasadę działania mikrotomografu rentgenowskiego, opisano sposób akwizycji danych, ich rekonstrukcji i wizualizacji. Pokazano krok po kroku metodykę prowadzenia akwizycji danych za pomocą programu InspectX, rekonstrukcji obrazu z użyciem programu CT-Pro oraz trójwymiarowej wizualizacji obrazu programem AVIZO. Przytoczono przykłady zastosowań mikrotomografii rentgenowskiej w badaniu skał oraz przedstawiono wyniki pomiarów testowych, obrazujących wewnętrzną strukturę przestrzeni porowej próbek skał piaskowcowych utworów mioceńskich i formacji czerwonego spągowca. Pokazano możliwości zastosowania micro-CT w badaniu szczelin, z uwzględnieniem osiągnięć różnych autorów. Zaprezentowano wizualizację szczelin wygenerowanych za pomocą mikrotomografu rentgenowskiego Benchtop CT160 dla kilku przykładowych próbek skał węglanowych oraz pomierzono ich rozwartość i szerokość. Przedstawiono ogólny przegląd literaturowy zastosowania CT w naukach o ziemi. Specjalną uwagę poświęcono kilku zagadnieniom: m.in. ekstrakcji parametrów sieci porowej, ocenie procesu kwasowania, ocenie zmiany stanu nasycenia poprzez skanowanie w odstępach czasowych oraz charakterystykę podziemnych magazynów CO2 na podstawie techniki tomograficznej.

EN

This research describes basis of roentgen computed microtomography, build description of roentgen microtomograph, data acquisition process, collected data reconstruction and 3D visualization. Research includes step by step acquisition methodology using InspectX software and image reconstruction using CT-Pro software and 3D visualization using AVIZO software. This work includes some examples of application of roentgen computed microtomography in rock researches. Shows results of test researches of visualizing internal pore structure of Miocene and rotliegend sandstone samples. This research shows possibilities of micro-CT application in crack researches referring to publications of many authors. This work presents visualization and measurement of some crack apertures images generated using roentgen computed microtomograph (Benchtop CT 160) based on few samples of carbonate rock. This work shows general literature survey of application of CT in earth sciences. Special emphasis was put on pore network extraction, monitoring wormhole initiation and growth inside carbonate core plugs during the injection of emulsified and visualization of pore space fluid penetration.

Słowa kluczowe

PL

mikrotomografia rentgenowska

EN

Roentgen microtomography

• Wydawca: Instytut Nafty i Gazu - Państwowy Instytut Badawczy
• Czasopismo: Prace Instytutu Nafty i Gazu
• Rocznik: 2009
• Tom: nr 157
• Strony: 1--94
• Opis fizyczny: Bibliogr. 83 poz., rys., wykr.

Twórcy

autor

Dohnalik M.

autor

Zalewska J.

• Instytut Nafty i Gazu

Bibliografia

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