JKA 0.00% 0.3¢ jacka resources limited

written off

  1. 3,027 Posts.
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    Must be close to assessing any oil and gas present so not far off to some news.

    Anyways just so that NO news means that HW3 is written off as a duster, I think its still very early to come to any conclusion(s) be that its taken almost 4 months now of excruciating investor patience.

    Obviously Dragon Cooper and Jacka (as only a spectactor partner) have utilized all possible care and technical data. So if the oil is there its obvious they are going to utilize any tech means at there disposal. This $44 million baby certainly will need to payup in the future?

    Anyways an interesting find from...
    http://www.sigmacubed.com/filebin/files/Case_Studies/Fractured_limestone.pdf (with lots of coloured images\

    "Imaging Oil in Fractures with Spectral Imaging: Finding New Reserves in Tunisia
    In 2003, a joint operating company drilled an exploration well near an existing field in Tunisia. The target was the Abiod formation, a carbonate reservoir known to hold oil in the fractured zones. In the Abiod, finding the fractures is equivalent to finding the movable oil. Unfortunately, finding fractures is a complex task, evidenced by many failures throughout the world. New technologies developed by Prism Seismic are finally able to simplify the difficulties posed by such reservoirs. An illustration of the application of these technologies to the Abiod reservoir is shown below.

    After reaching TD and logging the exploration well, it appeared that the well was a dry hole with no
    fractures and no oil. As a back-up plan, a side-track was proposed by one of the partners, but the optimal
    direction for such a side-track remained unknown. At this point, one of the partners contacted Prism
    Seismic to assist in looking beyond the wellbore.
    As seismic data were available in the area, Prism Seismic applied its SpectralImaging technology to the 3D
    volume. In this reservoir, high amplitudes in a specific frequency range are correlated with the presence of
    oil filled fractures. Spectral imaging revealed the presence of high amplitudes (indicating oil-filled
    fractures) around the newly drilled well. A north-south cross section through the well (Fig. 1) shows two
    large high amplitude zones (accumulations of oil) indicated in red and yellow. (see images on site)
    See site for Fig. 1 : North-South Cross section of Spectral imaging results at the drilled well location (white line).
    The bright red and yellow areas indicate the fractured zones filled with oil.

    Armed with this information, the partners agreed to test the well, despite the lack of fracture and oil indicators at the wellbore. The result was a surprising oil production of 1800 barrels per day and the discovery of new reserves.
    Using logs from a nearby well, a High Resolution Inversion was carried out by Prism Seismic to better understand the producing zones. Fig. 2 shows the existence of high impedance zones that could indicate a rock rich in fractures. These results have assisted the partners in discovering new reserves that could have been missed because the well was drilled in a poorly fractured area which is very close to large accumulations of oil. Using the spectral imaging results over the entire Abiod interval, Prism Seismic created a 2D map showing the areal distribution of high amplitude events (indicating fractured oil-bearing
    reservoir) around the well as shown in Fig. 3. In this 2D map, the prospective areas are clearly delimited, appearing red and yellow areas. As expected, the location of the new exploration well is in a blue (nonprospective) area, which is misleading.
    See site images ==> Fig. 2: High Resolution Inversion at a resolution of 0.5 (1/2) ms. The high impedance values in red
    and white are most likely hard rocks that are highly fractured and filled with oil.
    See site images ==>Fig. 3: Prism Seismic Spectral Imaging technology reveals the areal distribution of high amplitude
    zones, indicating oil-bearing reservoir, around the newly drilled exploration well.
    The red and yellow areas indicate oil-filled fractures. Notice the apparently poor location of the exploration well (blue area), which is misleading. This example demonstrates the complexity of fractured reservoirs, where information collected at a wellbore does not necessarily reflect the surrounding rock - which could be dramatically different. The advantage of using Prism Seismic technologies is to be able to look beyond the wellbore and get the “big picture”.

    Well worth a look at this site.
    Obvious why some of the recent announcements have constantly highlighted FRACTURE IMAGES as the targets in the HORIZONTAL drillings. Hope that have struck some recently. Perhaps Dragons share price was a early indication that something was interesting down there in ABIOD.


 
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