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Basins Reservoirs Resources – B2R

The UniLaSalle–UPJV research unit B2R (Basins-Reservoirs-Resources) investigates the development of sedimentary basins, reservoirs and fossil and renewable energy sources (hydrocarbons, geothermal energy and water).

The scientific project

The work carried out by the B2R research unit can be seen within the wider context of energy requirements that are constantly on the rise because of the growing world population and the many emerging economies. In industrialized countries, this growing demand has brought with it a new awareness of the strategic, environmental and societal issues raised by the need for natural resources, both energy sources (oil and gas) and minerals.

At global level, it has therefore become necessary to diversify energy sources, while also pursuing efforts to explore and use fossil fuels. Sedimentary basins have taken on increasing importance. They are both the reservoir and the source of fossil fuels (hydrocarbons), uranium and renewable energy sources (geothermal energy and water). They are also used as artificial storage facilities for these energy sources and their by-products (e.g. CO2).


The B2R team studies the development of sedimentary basins, formed several million years ago, as they can be used to predict the development of current systems and their potential in terms of natural resources.


The research unit particularly investigates the influence of physical and chemical factors in these basins on the development of thermobarometric markers such as illite and chlorite crystallinity, phyllosilicate reaction series, vitrinite reflectance, traces of fission and fluid inclusions.


These physical and chemical parameters can be used to determine the pressure/temperature conditions of sedimentary basins, helping researchers characterize their evolution.

In the fields of diagenesis and anchimetamorphism, the research team focuses its efforts on:

  • investigating the accuracy of the interpretations of markers used in the thermobarometric characterization of basins and the reservoirs they contain,
  • using field analogs and modeling to determine the evolutionary characteristics of these markers over time, depending on the geodynamic context, the lithologies encountered and fluid circulation,
  • demonstrating the geological factors that influence these markers by investigating means of control.

Within the broader framework of research on the evolutionary processes of sedimentary basins, the scientific project in the B2R unit focuses on:

  • the integrated, critical analysis of the thermobarometric markers of this evolution,
  • correlating results from the interpretation of thermobarometric markers with those from the interpretation of stratigraphic, diagenetic and structural markers,
  • demonstrating how the properties of sedimentary reservoirs have been controlled over time by different factors.
The team
  • Julien Bailleul: Associate Professor – PhD in Basin Geology
  • Pascal Barrier: Associate Professor – PhD in Microfacies Sedimentology, accreditation to supervise research (HDR)
  • Sandra Brocheray: Associate Professor – Turbidite Sedimentologist
  • Christophe Buret (UPJV): Associate Professor – PhD in Clay Petrology
  • Vincent Caron (UPJV): Associate Professor – PhD in Carbonate Sedimentology
  • Barbara Claussmann, PhD student
  • Cyril Gagnaison: Associate Professor – PhD in Paleontology
  • Geoffroy Mahieux (UPJV): PhD in Petrophysics
  • Tatiana Maison: Associate Professor – Clay Petrologist
  • Pierre Malié: PhD student
  • Sébastien Potel: Associate Professor – PhD in Low-Temperature Metamorphism
  • Renaud Toullec: Associate Professor – PhD in Carbonate Sedimentology and Petrophysicist
  • Ghislain Trullenque: Associate Professor – PhD in Experimental Structural Geology


External staff


National PNEC–INSU program EC2CO (2011-2012)
Evidence of extreme wave events recorded by beachrocks: a possible means of assessing risks in the Lesser Antilles (Saint Martin, Saint Barthélemy)

Vincent Caron – Geoffroy Mahieux
University of Picardy Jules-Verne (UPJV)

Lille 1 University – Science and Technology
UniLaSalle – Julien Bailleul

Recent academic publications

See all the publications by the B2R unit on Google Scholar.

Academic partners
  • University of Picardy Jules Verne, France
  • University of Lille 1, France
  • Paul Sabatier University, Toulouse, France
  • Institute of Human Paleontology, Paris, France
  • IFP Énergies Nouvelles, France
  • National Museum of Natural History, Paris, France
  • University of Montpellier 2, France
  • University of Nice-Sophia Antipolis, France
  • University of Rennes 1, France
  • Goethe University Frankfurt, Germany
  • Darmstadt University of Technology, Germany
  • University of Freiburg, Germany
  • Karlsruhe Institute of Technology, Germany
  • University of Potsdam, Germany
  • University of Genoa, Italy
  • University of Nevada, Reno, USA
  • University of Texas at El Paso, USA
  • University of Waikato, Hamilton, New Zealand
  • National Institute for Water and Atmospheric Research, Wellington, New Zealand
  • Geological and Nuclear Sciences, Lower Hutt, New Zealand
  • Geological Survey of Western Australia, Kalgoorlie, Australia
  • University of Yaoundé 1, Cameroon