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Applied Biostratigraphy in Oil and Gas Exploration and Production

William "Bill" Krebs, PhD

INSTRUCTOR: William N. Krebs PhD
DISCIPLINE: Geoscience
COURSE LENGTH (DAYS): 2 Days (Classroom) / 3 Half-Day Sessions (Live Online)
CEUS: 1.6
AVAILABILITY: In-House, Live Online

Check back in periodically for updated course dates! To schedule an In-House course, contact SCA’s Training Department at

WHO SHOULD ATTEND: Geoscientists in exploration and production interested in using biostratigraphic data in their projects.

COURSE DESCRIPTION: This two day course will introduce the microfossil groups that are commonly used in the petroleum industry, their strengths and limitations, and their application to chronostratigraphic and paleoenvironmental analysis. Biozonation schemes will be compared to graphic correlation analysis—constructing and using composite standards, their calibration to geologic time, and interpreting the results in the framework of sequence stratigraphy and chronostratigraphy. A key outcome of the course is the identification of unconformities and condensed sections, paleoenvironments and provenance, potential reservoir, seal, and source rocks, the calibration of seismic and geologic data to geologic time, estimates of sedimentation rates and the duration of hiatuses, and the correlation of rock and seismic sections to help find and produce hydrocarbons.


  • Know the key microfossil groups and when and how to use them.
  • Compare the traditional biozonation approach to graphic correlation analysis.
  • Learn how to construct composite standards from biostratigraphic data and how to use them for graphic correlation analysis.
  • Using graphic correlation in sequence stratigraphy and chronostratigraphy.
  • Integration of the results with seismic and geologic datasets.



  • Useful microfossil groups, their application and limitations.
  • Biozonations vs. graphic correlation analysis.
  • Graphic correlation, the use of composite standards, their calibration to geologic time and interpretation of the results.
  • Graphic correlation, sequence stratigraphy, chronostratigraphy, and chronosequence stratigraphy.
  • Well correlations, seismic and geologic integration, and interpretation.