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Detection of gas in sandstone reservoir using AVO analysis in Prinos basin

Choustoulakis Emmanouil

Απλή Εγγραφή


URIhttp://purl.tuc.gr/dl/dias/A1E492F0-1353-496C-9047-D00133AC8CC0-
Αναγνωριστικόhttps://doi.org/10.26233/heallink.tuc.61648-
Γλώσσαen-
Μέγεθος8.44 megabytesen
ΤίτλοςDetection of gas in sandstone reservoir using AVO analysis in Prinos basinen
ΔημιουργόςChoustoulakis Emmanouilen
ΔημιουργόςΧουστουλακης Εμμανουηλel
Συντελεστής [Επιβλέπων Καθηγητής]Vafeidis Antoniosen
Συντελεστής [Επιβλέπων Καθηγητής]Βαφειδης Αντωνιοςel
Συντελεστής [Βοηθός Καθηγητή]Kritikakis Georgiosen
Συντελεστής [Βοηθός Καθηγητή]Κρητικακης Γεωργιοςel
Συντελεστής [Μέλος Εξεταστικής Επιτροπής]Varotsis Nikolaosen
Συντελεστής [Μέλος Εξεταστικής Επιτροπής]Βαροτσης Νικολαοςel
Συντελεστής [Μέλος Εξεταστικής Επιτροπής]Christopoulos Dionysiosen
Συντελεστής [Μέλος Εξεταστικής Επιτροπής]Χριστοπουλος Διονυσιοςel
ΕκδότηςΠολυτεχνείο Κρήτηςel
ΕκδότηςTechnical University of Creteen
Ακαδημαϊκή ΜονάδαTechnical University of Crete::School of Mineral Resources Engineeringen
Ακαδημαϊκή ΜονάδαΠολυτεχνείο Κρήτης::Σχολή Μηχανικών Ορυκτών Πόρωνel
ΠεριγραφήSubmitted in partial fulfillment of the requirements for the degree of master of science in petroleum engineeringen
ΠερίληψηThis thesis was focused on an integrated approach of gas detection in the sandstone reservoir of Prinos oil field, located in the northern Aegean Sea between the island of Thasos and city of Kavala on the mainland. The rock properties variation with depth in the study area, were inferred from suite of quality controlled well seismic logs, while the geological structure of the model was based on an East-West 2D geological plan of Prinos basin. Furthermore, the top layer of the reservoir was considered to be 50% saturated with gas, so, its elastic parameters were accordingly adjusted. The above information were given as input to a synthetic data simulator (Applied Geophysics Laboratory of the Technical University of Crete) in order to build low frequency synthetic seismograms. Additionally, a signal processing graphical interface was build, in order to properly process the synthetic data before the application of the AVO analysis. The GUI can support the whole preprocessing scheme prior to the AVO analysis, from the commissioning of the SGY data, until the generation of the stacked and migrated sections, while the results can be represented graphically at any point. Finally, an analytical AVO analysis flow was adapted for the processed seismic data which successfully detected the presence of gas in the shallow gas saturated layer. The AVO analysis flow included rock physics analysis, intercept-gradient crossplots, far versus near stack attributes, detailed investigation of distance to amplitude analysis and AVO inversion for the elastic parmetres of the model.en
ΤύποςΜεταπτυχιακή Διατριβήel
ΤύποςMaster Thesisen
Άδεια Χρήσηςhttp://creativecommons.org/licenses/by/4.0/en
Ημερομηνία2015-11-23-
Ημερομηνία Δημοσίευσης2015-
Θεματική ΚατηγορίαAVO analysisen
Βιβλιογραφική ΑναφοράEmmanouil Choustoulakis, "Detection of gas in sandstone reservoir using AVO analysis in Prinos basin", Master Thesis, School of Mineral Resources Engineering, Technical University of Crete, Chania, Greece, 2015en

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