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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Wechselwirkungen zwischen endolithischen Biofilmen und Karbonatgesteinen in alpinen Gebieten Mitteleuropas

Pohl, Wolfhart. Unknown Date (has links) (PDF)
Universiẗat, Diss., 2000--Göttingen.
2

Mikrofazies und Sequenzarchitektur einer heterozoen Karbonatrampe der permische "Confusion Shelf", Great Basin, USA /

Enzl, Christian Andre Georg. Unknown Date (has links) (PDF)
Universiẗat, Diss., 2002--Bonn.
3

Quantitative analysis of carbonate sandbodies outcrop analog study from an epicontinental basin (Triassic Germany) /

Braun, Sascha. Unknown Date (has links) (PDF)
University, Diss., 2003--Tübingen.
4

Beziehung zwischen Tektonik und Zementation in den Nördlichen Kalkalpen und ausgewählten Gebieten im Mittel- und Unterostalpin

Kappler, Paul. Unknown Date (has links) (PDF)
Universiẗat, Diss., 2003--Heidelberg.
5

Formation of carbonate mounds in the Porcupine Basin, offshore Ireland evaluating transport of substrates for microbial processes from deep sources using numerical simulation and organic geochemistry /

Naeth, Jochen. Unknown Date (has links) (PDF)
Techn. University, Diss., 2003--Berlin.
6

Facies and sequence architecture of mixed carbonate-siliciclastic depositional systems during transforming sag to foreland basin geometries "Sundance Basin", Middle and Late Jurassic, Western United States /

Büscher, Olaf. Unknown Date (has links) (PDF)
University, Diss., 2004--Bonn.
7

Wechselwirkungen zwischen entdolithischen Biofilmen und Karbonatgesteinen in alpinen Gebieten Mitteleuropas

Pohl, Wolfhart 18 April 2000 (has links)
No description available.
8

Forward numerical modelling of carbonate basins: an ecological approach

Clavera-Gispert, Roger 07 December 2016 (has links) (PDF)
This thesis presents a new stratigraphic forward numerical model to simulate the carbonate production of marine sedimentary basin through ecological model which is implemented in the SIMSAFADIM-CLASTIC program. This ecological model is based on the Generalized Lotka Voltera equations that model the population evolution of species. These populations are controlled by biological factors (growth rate, carrying capacity and interaction among species), and by the environmental conditions (light, energy of the medium, nutrients, bottom slope and concentration of clastic sediments in suspension) which are combined forming a unique environmental factor that downscale the intrinsic rate of growth. The algorithm to apply in the code uses an explicit Runge-Kutta numerical method of order (4)5 to solve the differential equations formulated in the ecological model. Finally, a 3D visualization output files for the interpretation and analysis are generated using the VTK format. The obtained code has been applied in three sample experiments in order to discuss the possibilities and the limitations of the code. The first example is the model of a theoretical basin. The results are compared with real cases. The second example is an actual basin sited in western Mediterranean Sea. The results are discussed to show the applicability and the limitations of the model. The third example applies several configurations to the Aptian Galve sub-basin (Maestrat Basin, E Iberia), allowing to define the environmental conditions.
9

History matching sensitivity investigations and forecasting for low matrix porosity, permeability and highly fractured carbonate reservoir to optimize oil production in Kurdistan Region

Hakim, Sarko Hussen Hakim 10 January 2019 (has links)
Increasing of the oil recovery is an essential task of the reservoir engineers. Many highly fractured carbonate reservoirs with low matrix porosity and low matrix permeability in the world have been depleted with low ultimate recovery due to the improper management. To obtain higher oil recovery and an optimum oil production, a three dimensional geological model for the reservoir is needed. The reservoir model should be calibrated via the history matching process which makes the model reliable for forecasting and development planning. An investigation has been carried out to find the most sensitive parameter which affects the matching between the real production data and the simulated production data. After the calibration of the model, some prediction scenarios have been run to realize the future performance of the reservoir. Three wells have been suggested and included in the simulation as producers in some prediction cases and as gas injectors in another other case. The results show that the three producers with low production rate will assist in increasing the recovery and by converting those to gas injectors will assist more especially when the oil production rate is higher. An oil field in Kurdistan region has been selected for this research.
10

Forward numerical modelling of carbonate basins: an ecological approach

Clavera-Gispert, Roger 01 November 2016 (has links)
This thesis presents a new stratigraphic forward numerical model to simulate the carbonate production of marine sedimentary basin through ecological model which is implemented in the SIMSAFADIM-CLASTIC program. This ecological model is based on the Generalized Lotka Voltera equations that model the population evolution of species. These populations are controlled by biological factors (growth rate, carrying capacity and interaction among species), and by the environmental conditions (light, energy of the medium, nutrients, bottom slope and concentration of clastic sediments in suspension) which are combined forming a unique environmental factor that downscale the intrinsic rate of growth. The algorithm to apply in the code uses an explicit Runge-Kutta numerical method of order (4)5 to solve the differential equations formulated in the ecological model. Finally, a 3D visualization output files for the interpretation and analysis are generated using the VTK format. The obtained code has been applied in three sample experiments in order to discuss the possibilities and the limitations of the code. The first example is the model of a theoretical basin. The results are compared with real cases. The second example is an actual basin sited in western Mediterranean Sea. The results are discussed to show the applicability and the limitations of the model. The third example applies several configurations to the Aptian Galve sub-basin (Maestrat Basin, E Iberia), allowing to define the environmental conditions.

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