PCL pancontinental energy nl

General Thoughts, page-8723

  1. 1,775 Posts.
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    I am no geophysicist, specialized in 3D seismic. Could somebody help me to understand this following image better, please.

    As I understand the red color means that the amplitudes show more absorption = better porosity?
    The quality of the AVO is: class II AVO (amplitude versus offset) anomalies .
    The quality tells us something how much confidence in the quality of data/interpretation - a probability thing - right?

    From the following image, I understand that the Oryx Prospect has 3 different reservoirs at 3 different depths. On the Top you have the first reservoir called "Oryx AVO-1", in the middle you have the second reservoir called Oryx AVO-2 and the deepest and third reservoir is called Oryx AVO-3. I think they used AVO as reservoir name because all three reservoirs show this class II AVO.

    For me, this nomenclature is a little bit confusing because in the world I am coming from we used upper XY, middle XY, lower XY or we used a, b, c ...

    So we got
    1. An Upper Oryx AVO-1 reservoir with class II AVO
    2. A Middle Oryx AVO-2 reservoir with class II AVO
    3. A Lower, deeper Oryx AVO-3 reservoir with class II AVO.

    Are these 3 reservoirs connected and can it be seen as one reservoir?
    Or are these three prospects not connected and can be seen as 3 compartments, as three independent reservoirs?

    144 km2 Oryx area: is this the area of the biggest of the three reservoirs. Or is the 144 km2 area the area of all 3 reservoirs together where you can see a good class II AVO (=red color)?

    What is the thickness ( you know it is always: "permaeability multiplied by thickness of pay zone" which is important. And we need high numbers for the thickness because we can expect permeabilities on the lower end as seen from our neighbours. And the low, ultra low viscosity of the oil will help as well to get good = commercial production rates).

    Whats your interpretation. Could we expect a thickness of around 100 m for every single reservoir or is the cumulative thickness of all three reservoirs together 100 meters?

    And again AVO, seismic attributes: are we able to see if it is gas or fluid (=oil/water) based on the experience with seismic and drilled wells in the Orange Basin?

    Would appreciate your answers, interpretations. (interpretation because for knowing we need the first exploration well).

    I do not know a single killer argument why PCL should not share more information with the public. The more good information and data is shared with more people, the higher our share price, I assume.


    https://hotcopper.com.au/data/attachments/6940/6940132-95d3bc7936b6c887febfaa8eb8df8526.jpg
 
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