PGS Wins a Seismic Contract over four Tugela Blocks

Source: www.gulfoilandgas.com 2/11/2012, Location: Africa

Impact Oil & Gas, the oil and gas exploration company focused on emerging hydrocarbon plays around the African continent, announces the award of a contract with Petroleum Geo-Services (“PGS”) using their Geostreamer technology to complete the 2D seismic survey over the Company’s four Tugela Blocks - 2931C, 2931D, 2932C and 2932A, covering a total of 11,325 square kilometres. The Company expects the survey to finish around the end of March 2012 when the Licence commitment of 5,000 kms will have been completed.

The Geostreamer system is a new development in seismic technology that allows the recording streamer to be towed at a depth of around 25m rather than the more conventional 10m, without loss of the high frequency component of the seismic signal. This is particularly useful in Impact’s Tugela Licences where there are large ocean swells which cause noise on conventional streamers. The data to be recorded this year will be superior to last year’s data and the interpretation is expected to be improved as a result.

The acquisition of 2D seismic on the four Tugela Blocks commenced last year, in May 2011, with Seabird Exploration’s Northern Explorer. Unfortunately this survey was plagued by bad weather. Due to environmental restrictions in the Durban area, the Government will only allow the acquisition of seismic data during the months of March, April, May and June due to the migration of young turtles off the beaches near Durban and after that time due to the annual migration of whales along the coast. This environmental window coincides with the early to mid-winter period in the area which is not ideal for seismic acquisition.

Last year’s survey recorded 1,800 kms of 2-D seismic data from a planned programme of 5,000 kms. Although the amount recorded was far below target, the survey covered what the Company believes to be the most important areas of the blocks and acquired data over the main structures identified from the previous seismic – namely the Tiger, Dolphin and Camel and Leviathan prospects.


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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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