| Gryphon | (Kerr-McGee) |
| Offshore oil field in production. | |
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|
| Block and licence number: | 9/18b, P.496 |
| Map reference: | Plate 7 |
| Licensees and company interest in block (%) at end of 1997: | |
| Kerr-McGee Oil (UK) plc | 25.00 |
| Saga Petroleum UK Ltd | 25.00 |
| Clyde Expro plc | 21.50 |
| Statoil Exploration (UK) Ltd | 15.00 |
| Cairn Energy plc | 10.00 |
| ONEPM (UK) Ltd | 3.50 |
| Date of discovery: | July 1987 |
| Production start: | October 1993 |
| Operator’s estimate of: | |
| Recoverable reserves originally present (million tonnes): | 15.70 |
| First year of peak production: | 1995 |
| Peak production (million tonnes per year): | 2.20 |
| Water depth: | 112m |
| Gravity: | 21.4º API |
| Sulphur content: | 0.45% |
| Transport system: | Oil stored on floating production and storage vessel (Gryphon A) and transferred to shuttle tanker. |
| Extension into other UK blocks: | Block
number, licence number and licensee/company interest in
block (%) at end of 1997: 9/18a, P.103 (Gryphon) Extension into block 9/18a purchased by 9/18b group. |
| Remarks: | Floating production and storage vessel anchored to sea bed. Subsea development with horizontal wells, water and gas injection facilities. |
| Name Gryphon | A mythical creature, half lion, half eagle, in this case representing the American eagle and the British lion. |