Fractured Reservoirs
Fractured Reservoirs
Fractured reservoirs are reservoirs having porosity and permeability associated with naturally occurring fractures. Fractured reservoirs can be associated with structural and stratigraphic traps and are globally a significant play type found in most petroleum basins. Fractured reservoirs are associated with sedimentary, igneous and metamorphic rock types. They are a globally significant play and are found in most petroleum basins, where they are often associated with significant reserve potential and high production rates. Some examples of fractured reservoir fields include Natih (Oman), Ekofisk (Norway) and Buchan (UK).
Fractured Basement Reservoirs
Fractured basement reservoirs are a specific type of fractured reservoir associated with igneous and metamorphic rocks and are typically found as buried hill and faulted horst combination traps. Some of the globally most significant fractured basement reservoirs include Aguila Nafoora (Libya), Bach Ho (Vietnam), La Paz (South America) and Zeit Bay (Egypt). Exploration interest in basement reservoirs has increased due to recent successes in Yemen and Vietnam. HEX believes that fractured basement reservoirs represent a significant untapped hydrocarbon play on the UKCS. To support this view HEX have identified three prospective basement targets within its licence P1368. The first of these targets, the Lancaster Prospect was successfully drilled summer 2009 and is currently undergoing technical evaluation.
