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  • Webinar on demand: Traps and Gross Rock Volume

Webinar on demand: Traps and Gross Rock Volume

This webinar will focus on how to best make reasonable column length predictions & how to realistically capture the total uncertainty range.

Petroleum Geology
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USD 349.00
USD 349.00
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Session Detail

Session Code : PEWEB012
This is a recorded webinar session. By purchasing this, you will receive a link to watch a recorded webinar session.

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About this course

Gross Rock Volume (GRV) constitutes the largest uncertainty for probabilistic volume assessments of undrilled prospects. It is therefore of the greatest importance to understand this uncertainty well and to capture it realistically in probabilistic prospect volume assessments.

The parameters that contribute to the overall GRV uncertainty include time-depth conversion, reservoir thickness, trap compartmentalization and uncertainty of hydrocarbon (HC) column length. Of these, it is this last factor (column length uncertainty) that generally has by far the largest effect on the total GRV uncertainty range. When discovered HC volumes fall outside the predicted range of prospect volumes, in many cases it is because of errors in the column length prediction: the total uncertainty range tends to be not fully captured, and the mode of uncertainty distribution is too often a “hoped-for” (possible) value instead of a geologically sound most likely estimate.

What Will You Learn

    • This webinar focus will be on how to best make reasonable column length predictions and on how to realistically capture the total uncertainty range. To do this we need to:
    • Understand the geology of the prospect, the trap geometry and the related uncertainties.
    • Understand the geological control on the depth of HC-water contacts, at what depth is the spill point of a trap, and where are potential leak points?
    • Understand the juxtaposition of lithologies on either side of the fault, the geometry of layers on both sides of the faults and the likelihood that the fault may be sealing.
    • A statistical approach that does not, or insufficiently, take into account the specific aspects of a prospect will not result in meaningful predictions.

What are the requirements?

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    1. Check System Requirements - Internet speed must be adequate in order for you to view the presentation without distortion or lag time. If you're connecting from work, ensure to check the domain hosting the webinar isn't blocked.

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