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Southern North Sea Basin 
by 
Nabil Bin Idris 
SGI 140005 
Powerpoint Templates 
Page 1
Powerpoint Templates 
Page 2 
Outline 
• Location 
• History 
• Tectonic Setting 
• Evolution of the Basin 
• Petroleum Systems 
• Conclusions
Powerpoint Templates 
Page 3 
Location 
Southern North Sea basin Lies between England and The Netherlands 
Gas producing basin 
UKCS,Geological Basins
Powerpoint Templates 
Page 4 
History 
Southern North Sea Basin has produced around 43.4 trillion 
cubic feet (tcf) of gas from 123 gas fields by year end of 
2009. 
Some 856 exploration and appraisal wells led to the 
discoveries of : 
 Rotliegen play 8337 Mboe 
 Triassic play 883 Mboe 
 Carboniferous play 726 Mboe 
 Exploration begin in 1960’s with the discovery of 
Groningen gas field
Powerpoint Templates 
Page 5 
Tectonic Setting 
The North Sea was the site of a triple plate collision zone during 
the Caledonian orogeny 
The extension of Caledonian Orogeny initiated the rift basins 
Early Devonian saw extensional tectonic regime forming a series 
of graben 
Variscan Orogeny compression cause the inversion and erosion 
Rifiting reactivated in Triassic – Jurassic 
The inversion and erosion in Cretaceous – Teritary resulted in 
thining and onlap of the Chalk
Powerpoint Templates 
Page 6 
Evolution of Basin 
 Early Permian, NW Europe is a hot, barren 
landscape 
 Ephemeral lakes become saline 
 Dessert sand forms preserved the 
Carboniferous fern forests 
 Salt précipitation formed as sea become 
saline 
 Land emerged in Middle Jurassic and sand 
deposited along the coast 
 Upper Jurassic, North Sea below sea level 
became rift zone 
 Mudstone with algae content deposited 
followed by sand 
 End Cretaceous white chalk deposited 
 Erosional material deposited in North Sea 
 Subsidence cause SR to depth forming 
o&g
Powerpoint Templates 
Page 7 
Petroleum System 
 The Carboniferous source rock comprise mostly Westphalian and some 
Namurian coals. 
 The products of burial of the equatorial swamps of a foreland basin 
 Permian sand become good reservoir due to thickness, porosity & 
permeability 
 Effectively seal by Permian salt
Powerpoint Templates 
Page 8 
Conclusion 
 The southern North Sea is still unexplored for 
hydrocarbon play 
 The Dinantian Carbonate Play has a huge potential 
for hydrocarbon
Powerpoint Templates 
Page 9 
THANK YOU 
Q & A
Powerpoint Templates 
Page 9 
THANK YOU 
Q & A

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Sns basin pp

  • 1. Southern North Sea Basin by Nabil Bin Idris SGI 140005 Powerpoint Templates Page 1
  • 2. Powerpoint Templates Page 2 Outline • Location • History • Tectonic Setting • Evolution of the Basin • Petroleum Systems • Conclusions
  • 3. Powerpoint Templates Page 3 Location Southern North Sea basin Lies between England and The Netherlands Gas producing basin UKCS,Geological Basins
  • 4. Powerpoint Templates Page 4 History Southern North Sea Basin has produced around 43.4 trillion cubic feet (tcf) of gas from 123 gas fields by year end of 2009. Some 856 exploration and appraisal wells led to the discoveries of :  Rotliegen play 8337 Mboe  Triassic play 883 Mboe  Carboniferous play 726 Mboe  Exploration begin in 1960’s with the discovery of Groningen gas field
  • 5. Powerpoint Templates Page 5 Tectonic Setting The North Sea was the site of a triple plate collision zone during the Caledonian orogeny The extension of Caledonian Orogeny initiated the rift basins Early Devonian saw extensional tectonic regime forming a series of graben Variscan Orogeny compression cause the inversion and erosion Rifiting reactivated in Triassic – Jurassic The inversion and erosion in Cretaceous – Teritary resulted in thining and onlap of the Chalk
  • 6. Powerpoint Templates Page 6 Evolution of Basin  Early Permian, NW Europe is a hot, barren landscape  Ephemeral lakes become saline  Dessert sand forms preserved the Carboniferous fern forests  Salt précipitation formed as sea become saline  Land emerged in Middle Jurassic and sand deposited along the coast  Upper Jurassic, North Sea below sea level became rift zone  Mudstone with algae content deposited followed by sand  End Cretaceous white chalk deposited  Erosional material deposited in North Sea  Subsidence cause SR to depth forming o&g
  • 7. Powerpoint Templates Page 7 Petroleum System  The Carboniferous source rock comprise mostly Westphalian and some Namurian coals.  The products of burial of the equatorial swamps of a foreland basin  Permian sand become good reservoir due to thickness, porosity & permeability  Effectively seal by Permian salt
  • 8. Powerpoint Templates Page 8 Conclusion  The southern North Sea is still unexplored for hydrocarbon play  The Dinantian Carbonate Play has a huge potential for hydrocarbon
  • 9. Powerpoint Templates Page 9 THANK YOU Q & A
  • 10. Powerpoint Templates Page 9 THANK YOU Q & A