Reservoir characterization of the Cardium Formation in the Ferrier Oilfield, west-central Alberta, Canada.

Venieri, Marco (2016) Reservoir characterization of the Cardium Formation in the Ferrier Oilfield, west-central Alberta, Canada. [Laurea magistrale], Università di Bologna, Corso di Studio in Geologia e territorio [LM-DM270]
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Abstract

This thesis has the main aim of defining the lithostratigraphy, depositional architecture, post-depositional modifications and reservoir characteristics of the Cardium Formation in the Ferrier Oilfield, and how these characteristics can have great impact over production rates, GOR and produced fluid discrimination. In the Ferrier area, the Cardium Formation is composed by a NE prograding clastic sequence made up of offshore to shoreface deposits sealed by marine shales. The main reservoir is composed by sandstones and conglomerates interpreted to have deposited in a shoreface depositional environment. Lithofacies and net reservoir thickness mapping led to more detailed understanding of the 3D reservoir architecture, and cross-sections shed light on the Cardium depositional architecture and post-deposition sediment erosion in the Ferrier area. Detailed core logging, thin section, SEM and CL analyses were used to study the mineralogy, texture and pore characterization of the Cardium reservoir, and three main compartments have been identified based on production data and reservoir characteristics. Finally, two situations showing odd production behaviour of the Cardium were resolved. This shed light on the effect of structural features and reservoir quality and thickness over hydrocarbon migration pathways. The Ferrier example offers a unique case of fluid discrimination in clastic reservoirs due both to depositional and post-depositional factors, and could be used as analogue for similar situations in the Western Canadian Sedimentary Basin.

Abstract
Tipologia del documento
Tesi di laurea (Laurea magistrale)
Autore della tesi
Venieri, Marco
Relatore della tesi
Correlatore della tesi
Scuola
Corso di studio
Indirizzo
Curriculum C: Risorse sotterranee fluide
Ordinamento Cds
DM270
Parole chiave
Geology, stratigraphy, petrophysics, petrology, petroleum geology, oil, hydrocarbons, reservoir characterization, depositional architecture, subsurface mapping.
Data di discussione della Tesi
21 Marzo 2016
URI

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