Les Moussières, France

Jura permits - further data

Les Moussières permit

Recoverable Resource summary for Les Moussières permit conventional prospects (unrisked)

Permit / Licence Prospect name	Mean Ultimate Recovery Resource (mmbbls)	Mean Ultimate Recovery Resource (bcf)	Fluid Expectation	Comments
La Chandelière Field (north)	7		Oil	Discovery
La Chandelière (south)	12		Oil	Possible extension
Charmont updip	16		Oil	Prospect
Le Cernay	7		Oil	Prospect
Chevillard	8		Oil	Lead
La Manche	40		Oil	Lead
La Boissiere	7		Oil	Lead
Rixouse	155**	340**	Gas	Prospect

** Rixouse prospect could be oil or gas

 

Near Top Bunter Depth Map

 

Pontarlier permit

Pontarlier prospective Recoverable Resources (unrisked)

Permit / Licence Prospect name	Mean Ultimate Recovery Resource (mmbbls)	Mean Ultimate Recovery Resource (bcf)	Fluid Expectation	Comments
Le Suchet*		513	Gas	Prospect
Total		513

*Le Suchet also traverses the Vallorbes and Les Moussières permits, Liquid volumes exclude any condensate resource from gas reservoirs

 

Nr Top Bunter Depth Structure Map

 

Petroleum Geology - Jura Region

 

Top Permian Maturity Map (oil green, gas pink) (Datum MSL)

 

Maturity at Base Permo Carboniferous Map (oil green, gas pink) (Datum MSL)

 

Carboniferous Isopach Map – Autunian shale gas in Pontarlier and Vallorbes permits

 

A mid estimate for gas currently in place in the Autunian over the 1,250 sq.kms area (the area where the Autunian shale is in the gas window) is 115 tcf, within a range of 27 to 376 tcf and this volume is compared to a computed gas storage capacity based on typical USA range for porosity and gas saturations:

Autunian	Min	Mid	Max
Area (sq.kms)	1,250	1,250	1,250
Average thickness (m)	30	65	100
Acrefeet	30,390,263	65,845,569	101,300,875
Porosity	3%	8%	10%
Gas Saturation	60%	70%	80%
Recovery Factor	25%	40%	55%
Gas Expansion Factor	195	195	195
Free gas calculation
GIIP- mcf/acrefoot	153	476	680
GIIP (tcf)	4.6	31.3	68.8
Recovery (tcf)	1.2	12.5	37.9

USA experience suggests recovery factors between 25% and 55% are possible for shale gas resulting in a mid estimate of around 12tcf gas recoverable in the Autunian, with upside to 38tcf.

 

Toarcian Isopach Map – Toarcian shale oil and gas in Pontarlier and Vallorbes permits

The Toarcian has been measured to be between 15 metres and 100 metres thick in the region. However, the richest shales of the Schistes Carton are 10 – 40m thick over the permit areas. Although the mineralogy of the shales is uncertain, existing log data demonstrates that the interval is bound by tight argillaceous limestones to the top and base. A total retained gas volume has been computed covering the S2 sample range measured over a range of shale thickness for the area mapped and a mid estimate of 15 tcf is computed, within a range of 1.2 to 71 tcf . The S2 volume is compared to a computed gas storage capacity based on typical USA range for porosity and gas saturation:

Toarcian	Min	Mid	Max
Area (sq.kms)	278	278	278
Average thickness (m)	20	40	100
Acrefeet	4,505,863	9,011,726	22,529,315
Porosity	3%	8%	10%
Gas Saturation	60%	70%	80%
Recovery Factor	25%	40%	55%
Gas Expansion Factor	170	170	170
Free gas calculation
GIIP- mcf/acrefoot	133	415	592
GIIP (tcf)	0.6	3.7	13.3
Recovery (tcf)	0.2	1.5	7.3

 

Toarcian Maturity Map (oil green, gas pink)

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