What's to be excited about?

[petrengr1]

As I was writing to My2 I was looking at http://www.interoil.com/presentation/201..._Final.pdf Chart 18.
Now before I tell you this I must remind you that I know nothing about seismic and this is just a casual observation by a novice.
OK, here it is! Open chart 18 on your computer. The invisible reef right before your eyes. Do you see the sharp rise in the top of the carbonate on the left side of the chart? Now “what if” that is the Eastern edge of a reef? It continues West for 6 km and goes off of the chart to the west with more that 4,000 feet of closure/gas column. OK, I have finally figured out how to get myself excited. Now if we can get confirmation from the Company I would really be happy.

[efi426hemi]

ummm, that would be good? Right Pet........? ;-)

Unfortunately, I think that means we would have to have a couple more wells, T3-T5 to prove your above theory.

C'mon selldown, I promise to never eat M&M's again (well at least on week nights) if we can have a selldown.

Health and Happiness,
efi

[my2cows]

trying to understand pet. Does that red line mean the floor? Or would the gas column extend all the way through the red line to the gas-water contact? But you're thinking you may have reef, or at least not fractured limestone because it's not as deep?

[sageo]

Pet- thanks for getting excited! When I posted(replied) yesterday about chart 18,I was very enthused about how the reservoir seems to lenghten and broaden to the west and north when you look several kms west of T2.But as you say, I guess we will have to see if our ioc guys get excited too.Thanks for your(and all) fine research.

[petrengr1]

My2- This picture is a 2 dimensional picture of what the earth would look like if you sliced it on the red line on the small map at the bottom. The red line on the seismic section is the base of the carbonate. The water is not vertically below the gas zone where the dotted line for the gas/water contact is below the base of the carbonate. If we have a water drive, the water will move up dip through the carbonate once production commences. If we have a pressure depletion reservoir the water will not move much. We just use the gas/water contact to calculate the volume of the gas reservoir. Where the gas/water contact is within the carbonate layer the gas/water contact is the bottom of the container (reservoir). Where the gas/water contact is lower that the bottom of the carbonate the bottom of the carbonate is the bottom of the container (reservoir). Hope that make sense.
The picture is 2 dimensional but you have to think in 3 dimensions.

[Getitrt2]

Pet, what is Kelman? What is "Dec Kelman Base Carb: Kelman", the bottom of the carbonate? What are the red and white areas at the T2 well? Are the numbers meters? How are you getting 4,000 feet of gas column, to the water line below the carbonate? In what?

[Getitrt2]

Pet, have they found coal or coral above the carbonate?

[maui4marko]

Getit - my guess is that's attributing the source to Kelman http://kelman.sitesubstance.com e.g In December that's where Kelman interpreted the base of the carbonate to be.

[petrengr1]

1. http://www.kelman.com/
2. At the bottom of the chart you can see a legend that says the red and white is a depiction of gas in the mud and ROP or rate of penetration. You can see this better on chart 19.
3. The numbers across the top are meters. The numbers on the vertical axis are two way travel time (TWT). Hard to convert to depth. Here is a primitive technique and probably not perfectly accurate but gives something to work with.
We know the exact depth of the top of the carbonate is about 1250 meters drill depth or about -835 meters sub sea. We know the gas/water contact is about -1500 meters sub sea.The gas/water contact is already on the chart. Now draw a horizontal line across at the top of the carbonate at T-2 and mark it -835 meters. The distance between these two lines is the height of the gas column,665 meters or about 2200 feet.Now you know how far 2200 feet looks on the chart. Use that to estimate the subsea depth of the top of the reservoir. It is well over 4000 feet above the gas/water contact.

[petrengr1]

Getit- http://www.interoil.com/presentation/201..._Final.pdf chart 17 shows they found coal and then marl as expected.