Sedimentary Facies Reconstruction and Kinematic Restoration of Tight Gas Fields

The thesis of Anna Alexandra Vackiner focuses on the geometric architecture and tectonic evolution of the Permian series, combining seismic interpretation (3D block), field studies in an analogue basin (Panamint Valley in California), as well as 2D restoration of representative cross sections through time in order to illustrate the complex interaction between multiphase extension, inversion and salt diapirism. It will be of major interest for exploration geologists involved in tectonically complex areas.

• François Roure, August 2012

  This thesis improves the understanding and localization of the Upper Rotliegend II tight gas reservoir rock facies. It provides insights into the detailed Upper Rotliegend II palaeo-topography and local tectonically induced sediment thickness changes prior to a multi-phase tectonic overprinting. The research presented in this study further focuses on the tectonically induced synsedimentary facies distribution in transtensional continental settings on the basis of a comparison with a modern field analogue, which enables a detailed analysis of the reservoir rock's distribution and its properties. The study is rounded off with an analysis of the influence of the multiphase tectonic overprinting on the mature Upper Rotliegend II reservoir rocks.

Outstanding Ph.D. thesis nominated for a Springer Theses Prize by the RWTH Aachen University, Germany A multi-disciplinary study with application in the oil and gas industry Approx. 60 color figures Includes supplementary material: sn.pub/extras

Auteur
Alexandra Vackiner joined Wintershall Holding GmbH in January 2012. She received her doctoral degree from RWTH Aachen University in December 2011 and obtained her diploma degree in geology from Heidelberg University in November 2008. Her research interests include synsedimentary tectonics, clastic sedimentology, field analogue studies and salt tectonics.

Contenu

Introduction.- Geological Setting.- Data and Methods.-Syndepositional Tectonic Controls and Palaeo-Topography of a Permian Tight Gas Reservoir in NW Germany.- The Panamint Valley, Western US A Field Analogue for the Sedimentary Facies Distribution of a Permian Tight Gas Field in Central Europe.- Integrating Salt Kinematics and Diagenesis in a Tight Gas Field: A Case Study from the Upper Rotliegend in East Frisia.- Facies Analysis from Well Cores, Northern Central Germany - comparison to NW German Well Cores.- Conclusions, Synopsis and Perspectives.