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Hyperdynamics is currently engaged in defining three exploration play types. Namely, this encompasses structural traps, stratigraphic traps and combination structural-stratigraphic traps. Our current and newly acquired 2D Seismic Program 2008 is delineating these three types of traps. The structural traps are typically large anticlinal structures located on the shelf/slope break. This type of trap is located in the Lower Cretaceous section with water depths of more than 1200 meters. The structural traps are four-way closures of size measureable of greater than 16 kilometers. Such structures, if filled to the spill point, would offered very attractive, high quality sand reservoirs with large oil columns
(> 1000 foot).
The second type of trap is a stratigraphic play typically being turbidite mounds and fans. The image below shows the geometry of one such structure spanning over a 40 square kilometer area. These features are numerous through the total extend of the concession area (> 31,000 sq. miles). These fans and/or mounds occur within the Upper Cretaceous section and are currently the focus of many of the operators within the Transform Margin Play of West Africa. Currently, Hyperdynamics’ team of geoscientists have identified more than 10 drillable fans within its repertoire of prospects of this type. This play type is typically located along the shelf-slope break or flexure zones. According to James Spear, Executive Vice President of Exploration and Production, their portfolio of stratigraphic plays is increasing almost daily with the acquisition of new acquired 2D seismic line coverage being conducted by GSI (Geophysical Services Incorporated) 2D seismic vessel, The Pacific . GSI is currently acquiring 2D seismic program of 6700 linear kilometers for Hyperdynamics offshore the Republic of Guinea of West Africa.
The third type of play is characterized as being the stratigraphic-structural combination type trap and there are many examples of this play type through-out the concession. This play is likely to occur within the Upper Cretaceous section though some of this type has been identified within the Lower Cretaceous section within the boundaries of the concession held by Hyperdynamics.
According to Jeff Sprain, Exploration Manager for Hyperdynamics, “the area is like a Superbowl of world-class prospects” contained within the confines of this largest of West African continental shelf regions. The prospect portfolio continues to enlarge itself with its “new” 2D regional lines that are providing the basis for its planned 3D seismic program to follow this year. Hyperdynamics appears positioned to provide a world class portfolio of high quality prospects for many years to come in the future for drilling. There is anticipated a robust drilling program that will provide large volumetric reserves to be tested over a four year interval of time using sixth-generational semi-submersible drilling rigs. Hyperdynamics is currently negotiating drilling contracts with third vendors.
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