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Latest revision as of 10:09, 4 May 2017

Loveless, S, and Smith, N. 2016. Summary of potential oil and gas formations in England for use in groundwater vulnerability assessments. British Geological Survey Internal Report, OR/16/020.

The names of prospective hydrocarbon rock formations, members or groups were identified from the three DECC (2013) reports (DECC, 2013a[1]; 2013b[2], 2013c[3]) and from Andrews (2013[4]; 2014[5]) and Greenhalgh (2016)[6]. Where the potential hydrocarbon unit cited was not indicated on the GVS it was mapped back to a parent unit (usually group or age-group and lithology), on the GVS, using the BGS Lexicon (www.bgs.ac.uk/lexicon/). Each rock unit identified on the GVS is also summarised in the table below. A description of the hydrocarbon potential of each identified rock unit is included in this report.

These rock units will also be identified on the National Geological Model (NGM) (UK3D 2015[7]) sections and will guide the user in identification of the possible hydrocarbon potential of rock units in the area of interest and allow comparison with groundwater-bearing formations. It should be noted that often potential reservoir units are also groundwater-bearing units and vice-versa; this report does not specify possible oil/gas-water contacts within the units.

The method for identifying the rock types with hydrocarbon potential differs slightly for each exploration method and is indicated in each subsection.

References

  1. ↑ DECC, 2013A. The hydrocarbon prospectivity of Britain’s onshore basins — shale gas. (Department for Energy and Climate Change: London).
  2. ↑ DECC, 2013B. The unconventional hydrocarbon resources of Britain’s onshore basins — coalbed methane. (Department for Energy and Climate Change: London).
  3. ↑ DECC, 2013C. The unconventional hydrocarbon resources of Britain’s onshore basins — shale gas. (Department for Energy and Climate Change: London).
  4. ↑ ANDREWS, 2013a. The Carboniferous Bowland Shale gas study: geology and resource estimation. (Department for Energy and Climate Change: London).
  5. ↑ ANDREWS, I J. 2014a. The Jurassic shales of the Weald Basin: geology and shale oil and shale gas resource estimation. (Department for Energy and Climate Change: London).
  6. ↑ GREENHALGH, E. 2016. The Jurassic shales of the Wessex area: geology and shale oil and shale gas resource estimation. (Department for Energy and Climate Change: London).
  7. ↑ UK 3D v2015. UK 3D — 3D geological model for the United Kingdom (online). Available: www.bgs.ac.uk/research/ukgeology/nationalGeologicalModel/GB3D.html. Last Accessed 24 May 2016.
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