Sean North & Sean South	(Shell)
Offshore gas fields in production.
Block and licence number:	49/25a, P.054
Map reference:	Plate 10
Licensees and company interest in block (%) at end of 1997:
Shell UK Ltd	25.00
Esso Exploration & Production UK Ltd	25.00
Britoil plc	25.00
Union Texas Petroleum Ltd	25.00
Date of discovery:	Sean North: April 1969 Sean South: January 1970
Production start:	August 1986
Operator’s estimate of:
Recoverable reserves originally present (billion cubic metres):	21.18
First year of peak production:	1990
Peak production (billion cubic metres per year):	0.60
Water depth:	30m
Transport system:	Pipeline to Bacton.
Extension into other UK blocks:	None
Remarks:	This is a peak shaving field with maximum delivery capacity of 16.7 million M3/d.
Name Sean	Derived from the four partners involved when the discovery wells were drilled: Shell, Esso, Allied Chemicals & the National Coal Board.

Title | Table of Contents
Chapter 1 | Chapter 2 | Chapter 3 | Chapter 4 | Chapter 5 | Chapter 6 | Chapter 7 | Chapter 8 | Chapter 9
Appendix 1 | Appendix 2 | Appendix 3 | Appendix 4 | Appendix 5 | Appendix 6 | Appendix 7 | Appendix 8
Appendix 9 | Appendix 10 | Appendix 11 | Appendix 12 | Appendix 13 | Appendix 14 | Appendix 15 | Appendix 16 | Appendix 17
Plate 1 | Plate 2W | Plate 2E | Plate 3W | Plate 3E | Plate 4W | Plate 4E | Plate 5W | Plate 5E | Plate 6 | Plate 7
Plate 8W | Plate 8E | Plate 9W | Plate 9E | Plate 10W | Plate 10E | Plate 11 | Plate 12