Well Site Gas For Reservoir Evaluation

X:XX Hours
Well site gas data is a cost-effective and instructive dataset that should form a fundamental component of data acquisition plans, well operations and post-well analysis. The data, if analyzed correctly, provides information on the presence of pay, the phase of reservoir fluids and on the geomechanical response of the well to drilling. It is ubiquitous and collected from the top to the bottom of the well. As data acquisition budgets are tightly controlled, maximizing the value of all the data we collect should be a focus of all G&G teams. Furthermore, the data provides a method, independent of petrophysics (no assumptions on Rw) to estimate hydrocarbon saturation, providing a valuable supplementary dataset to standard petrophysical workflows.
The intent of the course is to provide awareness and understanding of the data, appropriate corrections, potential pitfalls, and applications of the data collected. This helps teams extract value from their existing well site gas databases and improve the design of data acquisition programs.
This course will benefit geoscientists of any experience level, especially those who interface with operations staff and drilling data analyses during their work. Reservoir engineers and petrophysicists looking to broaden their understanding of the applications of well site gas data will also benefit from participation in this course.

1.01 – Introduction to Well Site Data and its Applications
1.02 – Mercer (1974) Gas Classification
1.03 – Using (normalised) Well Site Gas Data to Spot Pay
1.04 – Wellsite Gas Composition Vs Reservoir Compositions
1.05 – Re-Cap, Some Things To Think About And Some Comments On Set-Up
1.06 – Selected Real World Examples – OBM Isabella UK North Sea HPHT
1.07 – Selected Real World Examples – WBM Rosebank UK West Of Shetlands
1.08 – Selected Real World Examples – WBM ROC-1 Bedout Sub-basin, Australia Oil Or Gas?
1.09 – Selected Real World Examples – Montney Play Canada WCSB [By Eric Michael]

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