Abstract
AbstractThe Grove gas field is located in the Southern North Sea, within the UK offshore licence Blocks 49/10a, 49/9c and 49/10c. The field lies 180 km east of the Humberside coast and 4 km from the UK–Netherlands median line on the western margin of the Cleaver Bank High. The reservoir consists of late Westphalian C fluvial red beds interbedded with mud-prone floodplain deposits. Grove was put on production in 2007 through a single normally unmanned platform which is connected to the Markham J6A facilities by means of a 13.4 km 10-inch pipeline and subsequently exported to Den Helder in the Netherlands. The field has been developed by means of six production wells, targeting a variety of fault blocks and sandstone units. Reservoir complexity due to differential erosion, heterogeneity and faulting has presented development challenges and productivity per well is highly variable. Additionally, the evaporites within the overlying Zechstein Group present drilling and well integrity issues.
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