Tern	(Shell)
Offshore oil field in production.
Block and licence number:	210/25a, P.296
Map reference:	Plate 6
Licensees and company interest in block (%) at end of 1997:
Shell UK Ltd	50.00
Esso Exploration & Production UK Ltd	50.00
Date of discovery:	May 1975
Production start:	June 1989
Operator’s estimate of:
Recoverable reserves originally present (million tonnes):	41.40
First year of peak production:	1993
Peak production (million tonnes per year):	4.81
Water depth:	167m
Gravity:	34°API
Sulphur content:	0.4%
Transport system:	Oil piped via North Cormorant and Cormorant Alpha to Sullom Voe.
Extension into other UK blocks:	None
Remarks:	Gas used for power generation.
Name Tern	Shell’s offshore oil fields are named after sea birds.

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