Geophysical interpretations in the Celtic Sea and South Western Approaches

Briant, M.. 1987 Geophysical interpretations in the Celtic Sea and South Western Approaches. British Geological Survey, 69pp. (WB/MR/87/038) (Unpublished)

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Abstract/Summary

Seven wells have been drilled and released in the South-Western Approaches and western English Channel area. Four were drilled by the Institute of Geological Sciences for the Department of Energy in 1977~~!f.g a semi-submersible drilling vessel, Zephyr (88/2-1, 87/14-1Aand 83/24-1). (Evans et a1 1981). 86//8-1 and 72/10-1A were drilled by the Atlantic Drilling Company for the British National Oil Corporation in 1979 using a drilling vessel Atlantic 1. 87/12-1A was drilled by BP Petroleum Development Limited in 1979. Fig 1.1 shows the positions of these wells and the known solid geology of the area (after Evans 1985 a, b; Evans 1982; Evans et a1 1984; Holder et a1 1983 and Taylor et a1 1980). This report consists of: a) Brief details on each well b) Tables showing the depths of noticib1e, sudden changes in sonic log velocities in each w~ll. c) Tables showing sonic log ve10cities~ depth and lithology throughout each well. d) A graphic log for each well.

Item Type:	Publication - Report
Programmes:	BGS Programmes > Other
Funders/Sponsors:	NERC
Additional Information. Not used in RCUK Gateway to Research.:	This item has been internally reviewed but not externally peer-reviewed
Date made live:	15 Mar 2012 11:20 +0 (UTC)
URI:	https://nora.nerc.ac.uk/id/eprint/17288

Item Type:

Publication - Report

Programmes:

BGS Programmes > Other

Funders/Sponsors:

NERC

Additional Information. Not used in RCUK Gateway to Research.:

This item has been internally reviewed but not externally peer-reviewed

Date made live:

15 Mar 2012 11:20 +0 (UTC)

URI:

https://nora.nerc.ac.uk/id/eprint/17288