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Oil firm Egdon Resources goes in search of 50 million barrel oil field
OIL firm Egdon Resources has completed a seismic survey in the Dorchester area in search of a 50 million barrel oil field last week.
The survey, carried out by Tesla Exploration International by sending and receiving seismic vibrations through the ground, covered an area of around 68.5 square miles in the county town and Broadmayne areas, where 2D seismic data suggested such a reservoir existed.
The reflections from the waves are then picked up by receivers placed along north to south lines to create an image of the geology underneath the surface.
Egdon’s exploration director Jerry Field said the work involved machines capable of exerting 60,000 pounds of force. The machines were fitted with limiters that prevent any excessive disturbance to residents.
Although some residents have reported feeling the shaking, Mr Field said everything is done to keep the impact to a minimum.
The data still has to be processed to produce a 3D image of the geological structure of the area. If any sites are identified a series of applications would be made and permissions granted before a test well could be drilled.
Mr Field said even if it got to that stage there would still be only around a one in three chance of finding a commercially-viable deposit and there would again need to be further applications for a working oilfield to come into effect.
He said that, while there was always an element of chance with oil surveying, the surrounding area was known to be relatively oil rich, most notably at Wytch Farm in Purbeck.
Mr Field said: “We know this area has the correct geology for there to be petroleum deposits in the rocks.”
Mr Field said: “We look forward to receipt of the final processed data volume early in 2014 which will enable us to develop our future exploration plans on this highly prospective oil trend to the west of Wytch Farm, Western Europe’s largest onshore oilfield.
“After a period of limited activity by Egdon in Dorset, the recently announced commencement of production at Waddock Cross and this seismic survey illustrate our commitment to exploring the Wessex Basin.”
The firm has previously indicated it has no plans to use hydraulic fracturing in Dorset.
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