Angus Energy has revealed high-quality crude at the Lidsey oil field, near Bognor Regis, UK, after completing a geochemical analysis of oil produced from the Kimmeridge Layers in the Lidsey-X1 Well.
The company appointed third-parties to conduct analysis on samples of light oil produced from the Kimmeridge formation.
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Prior to the assessment, the company temporarily isolated production from the Great Oolite formation and exposed the Kimmeridge to enable the collection of fluid samples.
The assessment of multiple samples revealed that oil taken from the Oxfordian and Kimmeridge layers showcased a mixed range of source maturities.
The lowest quality crude was found to be 38.5° API oil.
Angus Energy chief geologist Andrew Hollis said: “The significance of this assessment is that we now have demonstrable evidence of oil generation of good quality on the outer perimeter of the basin.
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By GlobalData“This supports our conclusion that the Weald Basin Kimmeridge play is robust and the highest maturity will be found in the centre of the Weald at Brockham, Balcombe, Holmwood and Horse Hill.
“Based on the data, it is possible that fields centred in the Weald could produce even lighter, sweeter crude at 40 API. Comparatively, Brent Oil is 36 API.”
The company intends to collect more data in an effort to evaluate the commercial viability of the Kimmeridge across the Weald basin.
A basin-wide study is expected to take place next month.
Angus Energy holds a 60% direct interest in the Lidsey oil field, which is situated in the UK Production Licence PL 241.
