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Wellsite Geology

Operations Geology & Geological Logging

WSGEOL-EN-A
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E-learning This course can be adapted to virtual classroom mode

Who should attend?

  • This course provides a comprehensive understanding of how to monitor and use geological data acquired while drilling in order to characterize geological formations and reservoirs.
Public :
  • Geologists, technicians involved with geological wellsite control and/or supervision.
  • Geoscientists using well geological reports.

Level : Discovery

Course Content

  • DRILLING PARAMETERS

      • Quick review of mechanical parameters (WOH, WOB, RPM, ROP) & hydraulic parameters (SPP, MFR, MPL, MWin & out, etc.) monitored during drilling.

  • GEOLOGICAL PARAMETERS

      • Cuttings: sampling, cleaning, analysis, description, calcimetry, lag time, XRD, fluorescence.
      • Quality and representativeness of cuttings.
      • Hints on how to fill in the cutting description sheet: main minerals and accessory minerals.
      • Paleontological observations.

  • HYDROCARBON GASES

      • Physics and chemistry of gases.
      • Detection and evaluation of gas shows while drilling. Chromatography. Type of dissolved gases in the mud.
      • Importance of gas control on quality of measurements. Gas while drilling.

  • GEOLOGICAL LOGGING

      • Role of well site geologist: analysis and decision.
      • Depth control: depth, deviation surveys, (MD, TVD, TVDSS) and stratigraphic column.
      • Gathering geological and drilling information.
      • Geological log: header and track presentation; main software programs.
      • Drilling parameters for a geological log.
      • Calcimetry, gas, gain and losses.
      • Composite log: interpretation of geological observations and descriptions for the lithology.
      • Integration of other data: well tests results and logging information.
      • Supervision and quality control of logging operations.
      • Coring operations: core recovery, cleaning, splicing, description, fracture identification, sampling, photos.
      • Final report.
      • Case studies.

  • WORKSHOP SESSION: CASE STUDY

      • Quality control: quality control of mud logs in clastic and carbonate environments.
      • Hands-on: composite mud log construction from analyses and cuttings description.

Learning Objectives

  • Upon completion of the course, participants will be able to:
  • understand well-site geologist’s role, tasks and responsibilities,
  • grasp various techniques applied in well-site geology and during coring operations,
  • learn about the various aspects of operations geology and geological logging.

Ways & Means

  • Interactive presentations, applications on case studies, team work.
To French entities : IFP Training is referenced to DataDock ; you may contact your OPCO about potential funding.
Please contact our disabled persons referent to check the accessibility of this training program : referent.handicap@ifptraining.com.