Initial interpretation in the 8.5” section, indicates stacked, interbedded sandstone-clay formations with the multiple helium shows above background, detected in the mudgas, coincident with permeable sandstone reservoirs below clay seals.
interbedded sandstone-clay formations / multiple - indications there are multiple potential zones.
coincident with permeable sandstone reservoirs below clay seals - indications of permeable sandstones which would have porosity for storage and also allow the gas to be produced. Hopefully the clay seals have sufficient sealing capacity to have prevented the helium from leaking away.
The MDT's will help prove what is in the sanstones, ie %HE and provide an indication of the producibility of the sandstones.
Ann: Mbelele-1 Reaches TD, page-5
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