Hydrocarbon Potential of The Channel Basin, UK
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List of Contents

HYDROCARBON POTENTIAL OF THE CHANNEL BASIN, OFFSHORE UK AND FRANCE

EXECUTIVE SUMMARY

GENERAL INTRODUCTION
2.1 Introduction
2.2 Scope of Report
2.3 Database
2.4 Exploration and Development History
2.5 2.5 Legislative and Fiscal Regime
2.6 Environmental Considerations

STRUCTURAL FRAMEWORK
3.1 Introduction
3.2 Plate Tectonic Setting and Basin Evolution
3.3 Determination of Uplift

GEOPHYSICAL INTERPRETATION
4.1 Introduction and Methodology
4.2 Potential Filed Studies
4.3 Seismic Interpretation
4.4 Seismic Expression of Structural Style

STRATIGRAPHY
5.1 Introduction
5.2 Pre Permian
5.3 Permian
5.4 Triassic
5.5 Jurassic
5.6 Cretaceous
5.7 Tertiary

PETROLEUM GEOLOGY
6.1 Introduction
6.2 Hydrocarbon Occurrences
6.3 Source Rocks - Quality, Maturity and Migration
6.4 Reservoirs and Seals
6.5 Trapping Mechanisms

HYDROCARBON POTENTIAL
7.1 Introduction
7.2 Play Concepts and Fairways
7.3 7.3 Petroleum Economics
7.4 Summary

BIBLIOGRAPHY

LIST OF FIGURES

2.1 Database
2.2 Map Showing Date of Drilling and TD Age of Wells
2.3 Map of Wytch Farm Field
2.4 Environmental Considerations

3.1 Variscan Tectonic Elements
3.2 Variscan Tectonic Evolution
3.3 Variscan Regional Structural Framework
3.4 Permo-Triassic Plate Tectonic Setting
3.5 Permian to Lower Jurassic Regional Structural Framework
3.6 Late Jurassic Plate Tectonic Setting
3.7 Upper Jurassic to Lower Cretaceous Regional Structural Framework
3.8 Apto Albian Plate Tectonic Setting
3.9 Late Oligocene Plate Tectonic Setting
3.10 Tertiary Regional Structural Framework
3.11 Structural Development of the Channel Basin
3.12 Mercia Mudstone Compaction/Depth Plot
3.13 Oxford Clay Compaction/Depth Plot
3.14 Kimmeridge Clay Compaction/Depth Plot
3.15 Chalk Compaction/Depth Plot
3.16 Tertiary Uplift Map

4.1 Map Gravity and Magnetic Anomalies in the Channel Basin
4.2 Aeromagnetic Summary
4.3 Top Variscan Depth map
4.4 Top Triassic Depth Map
4.5 Top Great Oolite Depth Map
4.6 Base Cretaceous Depth Map
4.7 Base Tertiary Depth Map and Seafloor Geology
4.8 98/16-1, 98/16-2 Structure. Line JS-LM93-9
4.9 99/16-1 Structure. Line JS-LM93-6
4.10 99/18-1 Structure (Wight-Bray Line). Line JS-LM93-18
4.11 98/23-1 Structure (Mid Channel High). Line JS-LM93-12
4.12 Mid Channel High. Line Drawing (Seismic Line JS-LM93-8)
4.13 South Channel Basin Flower Structure. Line Drawing (Seismic Line JS-LM93-4)
4.14 Nautile Structure. JS-LM93-5
4.15 Lyme Bay Line Drawing (Seismic Line JS-LBW92-20)
4.16 Channel Basin structural Styles

5.1 Lithostratigraphic Correlation
5.2 Palaeogeography and Isopach - Permain
5.3 Palaeogeography and Isopach - Sherwood Sandstone
5.4 Palaeogeography and Isopach - Mercia Mudstone
5.5 Palaeogeography and Isopach - Hettangian-Pliensbachian
5.6 Palaeogeography Toarcian with Bridport Sandstone Isopachs
5.7 Palaeogeography and Isopach - Great Oolite/Fuller's Earth/Cornbrash
5.8 Isopach - Oxford Clay and Kellaways Beds
5.9 Palaeogeography of the Corallian Beds
5.10 Isopach - Kimmeridge Clay
5.11 Isopach - Portland and Purbeck Beds
5.12 Palaeogeography and Isopach - Wealden Beds
5.13 Isopach - Aptain - Albian (Lower Greensand-Upper Greensand)
5.14 Isopach - Chalk
5.15 Isopach - Tertiary
5.16 Well Correlation East-West
5.17 Well Correlation North South

6.1 Hydrocarbons Occurrences in the Channel Basin
6.2 Lithostratigraphic Distribution of Source Rocks
6.3 Distribution of Exposed Upper Carboniferous Limnic Coal Basins in France
6.4 Van Krevelen Diagrams
6.5 Gas Chromatograms of the Hydrocarbons of three Dorset Oils
6.6 Gas Chromatograms of the Hydrocarbon Fraction of Liassic Samples from the Arreton-2 well
6.7 Steranes and Triterpanes - Mupe Bay and Osmington Mills Seeps
6.8 Maximum Burial Depth of Top Triassic (Base Lias) - Source Kitchens
6.9 Thermal Geochemistry Arreton-2 Well (1500m of burial)
6.10 Depth Calibration of Temperature and Maturity Arreton -2 Well (1500m of burial)
6.11 Thermal Geochemistry Arreton-2 Well (800m of burial)
6.12 Depth Calibration of Temperature and Maturity Arreton -2 Well (800m of burial)
6.13 Thermal Geochemistry 98/22-2 Well
6.14 Depth Calibration of Temperature and Maturity 98/22-2 Well
6.15 Timing and Volume of Hydrocarbon Generated 98/22-2 Well
6.16 Timing and Volume of Hydrocarbon Generated Arreton -2 Well
6.17 Oil Migration - Wytch Farm
6.18 Distribution of Permian Reservoir
6.19 Permian Section - Nettlecombe Well
6.20 Permian Section - 98/18-1Well
6.21 Permian Section - 99/16-1Well
6.22 Distribution of Triassic Reservoirs
6.23 Sherwood Section - Nettlecombe Well
6.24 Sherwood Section - 98/22-2 Well
6.25 Sherwood Section - Wytch Farm X14 Well
6.26 Bridport Sandstones Facies (Wytch Farm - 98/22-2 Well)
6.27 Distribution of Lower Jurassic Reservoirs
6.28 Distribution of Mid-Upper Jurassic Reservoirs

7.1 Schematic Section Showing Play Concepts
7.2 Play Fairways

LIST OF ENCLOSURES

1 Database Map
2 Top Variscan Depth Map
3 Top Triassic Depth Map
4 Middle Jurassic Depth Map
5 Base Cretaceous Depth Map
6 Base Tertiary Depth map and Seafloor Geology
7 Geoseismic Cross-sections
8 Lithostratigraphic Correlation
9 East-West Well Correlation
10 North-South Well Correlation
11 Play Fairways

APPENDICES

A Licence Application Form - France

B Well Summary Sheets

C Basic Cash Flow Data for Economic Analyses