Al Khalij field in Qatar, and extension toward Reshadat Oil Field, in the Persian Gulf
Subject Areas : Petroleum Reservoir Geology
Ali reza
Bashari
1
(شرکت ملی نفت ایران )
Keywords: Al Khalij &, Reshadat oil fields Mishrif reservoir Diagenetic trap petrography petrophysics Persian Gulf,
Abstract :
Alkhalij field located offshore Qatar , was discovered in 1991 and put into production in 1997. The field is original in many aspects. it is one of the few carbonate reservoir with stratigraphic closure, the oil is being trapped in upper part of a monocline due to a lateral variation in reservoir facies. In addition, the reservoir lies within the capillary transition zone and consists of a succession of highly conductive oil bearing layers ( drains) in between matrix layers of poor permeability. High- resolution 3D seismic has revealed additional area developed, which were previously considered to be uneconomic. Resent 4D seimic pilot has given encouraging result to utilize Seismic Technologies to analyse the evolution of the Al Khalij oilfield over time. Studies shows, this field possibly extended toward Reshdat oil field.
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