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Geochemical Analysis - Exploration


The BIG-Method (Biologic - Isotopic - Geochemical) is a new developed surface exploration method for hydrocarbons.


Surface-near or in sediments stored hydrocarbons from the underground can be identified and characterised by BIG . Additionally, he lateral extent of accumulations and the type and quality of hydrocarbons is identified. A main advantange offers the multi - disciplinary approach of the method where three different, undependant hydrocarbon signatures form the underground are investigated. Interpretation of the data base and modelling leads to a ranking order of proposed well sites.


BIG Exploration Tool:


Integrates three different HC - Indications from the Underground:




Determination of growth and activity of hydrocarbon oxidizing bacteria




Stable isotope analysis 13C/12C to characterize the origin of hydrocarbons




Molecular analysis of adsorbed gases and UV-fluorescence analysis of sediment extracts



The data base delivers information for the oil exploration about the genetic history of hydrocarons and wether or not a given seismic structure is filled with gas or oil.


The "dry – hole – risk“ is significantly reduced. BIG complements exploration projects with important information about the hydrocarbon habitat before drilling!


BIG and parts of the method were applied worldwide in many on-shore and off-shore exploration projects for different oil companies:








    • Arctic Sea, Golf of Mexiko, Alaska
    • Switzerland, Oman, Yemen, North Sea
    • Baltic Sea, Sudan
    • In Germany:
      • Schleswig-Holstein, German Tide SeaBrandenburg
      • Oberrheinische TiefebeneMolasse Basin
      • Rheinland-PfalzNorthern Germany

GEO-data, Gesellschaft für Logging Service mbH


 Leinestrasse 33, 30827 Garbsen, Germany

Telefon: +49 (0) 51 31 46 81 0
Fax: +49 (0) 51 31 46 81 50
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Managing Directors: H. Christofzik, Dr. P. Görgen, B. A. Nadolny

GEO-data, Dienstleistungsgesellschaft für Geologie, Hydrogeologie und Umweltanalytik mbH


Carl-Zeiss-Str. 2, 30827 Garbsen, Germany

Telefon: +49 (0) 51 31 70 99 0
Fax: +49 (0) 51 31 70 99 60

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Managing Directors: Dr. T. Meyer-Uhlich, H. Kreipe

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