Miller Field: reservoir stratigraphy and its impact on development

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Abstract
The Miller Field lies in UKCS Blocks 16/7b and 16/8b adjacent to the South Brae Field, and its reservoir is a high net-to-gross system of fine- to medium-grained turbiditic sandstones, interbedded with thin mudstones, which was deposited as part of an extensive submarine fan complex of Late Jurassic age, along the margin of the South Viking Graben. Recent studies of sequence stratigraphy in the area have contributed to a better understanding of the elements of the submarine fans, and, coupled with detailed biostratigraphy, have enabled the reservoir units to be correlated across the field with a fair degree of confidence. Pressure data have been incorporated into these studies. While detailed geophysical interpretation continues, a geological reservoir description has been used to map rock properties and reservoir connectivity across the field, and to indicate areas of greatest uncertainty. These uncertainties will be reduced as further data become available during production.

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