Early discordant diagenesis in the Brent Group, Murchison Field, UK North Sea, detected in high values of seismic-derived acoustic impedance

Petroleum Geoscience

Volumn 2, Issue 1, 1996, Pages 75-81

  Ashcroft, W A ^a   Ridgway, M S ^b  

^a UNIVERSITY OF ABERDEEN   (United Kingdom)

^b BAKER HUGHES   (United States)

Author keywords

Acoustic impedance; Brent; Diagenesis; Murchison; Seismic

Indexed keywords

ACOUSTIC IMPEDANCE; DIAGENESIS; JURASSIC; PYRITE; RANNOCH FORMATION; SEISMIC DATA; SIDERITE;

NORTH SEA, MURCHISON FIELD;

EID: 0029749824     PISSN: 13540793     EISSN: None     Source Type: Journal    
DOI: 10.1144/petgeo.2.1.75     Document Type: Article

References (15)

1. BROWN, S. 1990. The Jurassic. In. Glennie, K. W. (ed) Introduction to the Petroleum Geology of the North Sea (3rd edn). Blackwell Scientific Publications, Oxford, 219-254.
2. BJORLYKKE, K., NEDKVITNE, T., RAMM, M. & SAIGAL, G. C. 1992. Diagenetic processes in the Brent Group (Middle Jurassic) reservoirs of the North Sea: an overview. In: Morton, A. C., Haszeldine, R. S., Giles, M. R. & Brown, S. (eds.) Geology of the Brent Group. Geological Society, London, Special Publications 61, 263-287.
3. CARMICHAEL, R. S. 1989. CRC practical handbook of physical properties of rocks and minerals. CRC press.
4. ENGELSTAD, N. 1987. Murchison. In. Spencer, A. M., Campbell, C. J., Hanslien, S. H., Holler, E., Nelson, P. H. H., Nysaether, E. & Ormaasen, E. G. (eds.) Geology of the Norwegian oil and gas fields. Norwegian Petroleum Society, 295-305.
5. GAUTIER, D. L., KHARAKA, Y. K. & SURDAM, R. C. 1985. Relationship of organic matter and mineral diagenesis. Short Course Notes No. 17, Society of Economic Palaeontologists and Mineralogists, Tulsa.
6. GILES, M. R., STEVENSON, S., MARTIN, S. V., CANNON, S. J. C., HAMILTON, P. J., MARSHALL, J. D. & SAMWAYS, G. M. 1992. The reservoir properties and diagenesis of the Brent Group: a regional perspective. In: Morton, A. C., Haszeldine, R. S., Giles, M. R. & Brown, S. (eds.) Geology of the Brent Group. Geological Society, London, Special Publications, 61, 289-327.
7. HASZELDINE, R. S., BRINT, J. F., FALLICK, A. E., HAMILTON, P. J. & BROWN, S. 1992. Open and restricted hydrologies in Brent Group diagenesis: North Sea. In. Morton, A. C., Haszeldine, R. S., Giles, M. R. & Brown, S. (eds.) Geology of the Brent Group. Geological Society, London, Special Publications 61, 401-419.
8. LINDSETH, R. O. 1979. Synthetic sonic logs - a process for stratigraphic interpretation. Geophysics, 44, 3-26.
9. MORTON, A. C. & HUMPHREYS, B. 1983. The Petrology of the Middle Jurassic Sandstones of the Murchison Field, North Sea. Journal of Petroleum Geology, 5, 245-260.
10. PROSSER, D. J., DAWS, J. A., FALLICK, A. E. & WILLIAMS, B. P. J. 1993. Geochemistry and diagenesis of stratabound calcite cement layers within the Rannoch Formation of the Brent Group, Murchison Field, North Viking Graben (northern North Sea). Sedimentary Geology, 87, 139-164.
11. 34S of authigenic pyrite in Middle Jurassic Brent Group sediments. Journal of Petroleum Geology, 17, 407-428.
12. WARRENDER, J. 1991. The Murchison Field, block 211/19a, UK North Sea. In: Abbotts, I. L. (ed.) United Kingdom Oil and Gas Fields, 25 Years Commemorative Volume. Geological Society, London, Memoir, 14, 165-173.
13. _ & SPEARS, D. A. 1991. Calcite cemented layers, their characterisation and use in improving reservoir recovery from the Murchison Field, Northern North Sea. Abstract, American Association of Petroleum Geologists, International Conference and Exhibition, London.
14. WATERS, K. H. 1987. Reflection Seismology (2nd edn). John Wiley, New York.
15. WYLLIE, M. R. J., GREGORY, A. R. & GARDNER, L. W. 1956. Elastic wave velocities in heterogeneous and porous media. Geophysics, 21, 41-70.