The British Geological Survey (BGS) has recently (June 2014) published its third report containing estimates of the shale gas and oil resources of parts of Britain. The reports can be found at the links below and the table provides a summary of published estimates to date.

                                 Oil (million barrels)      Gas (trillion cubic feet)

                                  Min/ Median / Max    Min / Median / Max

Bowland Shale   ?? / ?? / ??                        822 / 1329 / 2281

Weald Basin        2.2  / 4.4 / 8.6                   nil / nil / nil

Midland Valley   3.2 / ?? / 11.2                   49.4 / ?? / 134.6

  1. Bowland Shale (between Wrexham and Blackpool in the west, and Nottingham and Scarborough in the east): http://www.bgs.ac.uk/research/energy/shaleGas/bowlandShaleGas.html
  2. Weald Basin (Wiltshire to Kent):  http://www.bgs.ac.uk/research/energy/shaleGas/wealdShaleOil.html
  3. Midland Valley of Scotland (Glasgow to Edinburgh): http://www.bgs.ac.uk/shalegas/