2D Seismic Acquisition at Ras Nowmah Discovery

Source: www.gulfoilandgas.com 2/4/2011, Location: Middle East

Calvalley has successfully completed a 340 km 2D seismic program over the Plateau area, which covers the Ras Nowmah discovery, and nearby structures such as Sueda, East Ras Nowmah, North Ras Nowmah, South Ras Nowmah, Al Hedba, Al Gadafir, and Malik. Initial processing of the 2D seismic indicates that good quality data have been acquired.

The first phase interpretation suggests better than expected prospectivity over the coverage area. Two additional prospects have been identified in the Qishn Formation. These prospects are similar to the Ras Nowmah Discovery. The program is designed to high grade these new structures prior to the selection of drilling locations.

Calvalley has completed the drilling of the Ras Nowmah 3 appraisal well. The Company experienced downhole technical problems and as a result, the well was abandoned. The well encountered approximately 18 meters of oil and gas show similar to or better than that of Ras Nowmah 2 well, which tested approximately 3,000 bbl/d of light oil with only 9.5% drawdown. The result indicates that the previously assumed Oil / Water contact at the Qishn S1 and S2 reservoirs could be significantly lower than our initial estimates. This could result in significantly higher oil in place.

However, we caution that these geological findings must be verified with future production testing and additional appraisal drilling. The rig at Ras Nowmah 3 is expected to be mobilized to drill the Ras Nowmah East 1 exploration well. Site preparation is underway and we expect to spud the well in March 2011. With completion of the 2D seismic program discussed above, we believe that there are a number of exploration targets at the Plateau, which will be drilled. Thus, we expect to keep the rig over the Plateau for the balance of 2011.


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Related Categories: Formation Evaluation  General  Geological, Geophysical  Geophysical Contractors  Mud Logging  Reservoir Engineering & Recovery Methods  Seismic survey  Well Completion, Logging, Workover 

Related Articles: Formation Evaluation  General  Geological, Geophysical  Geophysical Contractors  Mud Logging  Reservoir Engineering & Recovery Methods  Seismic survey  Well Completion, Logging, Workover 


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