stratigraphic trap

stratigraphic trap

[¦strad·ə¦graf·ik ′trap]
(geology)
Sealing of a reservoir bed due to lithologic changes rather than geologic structure. Also known as porosity trap; secondary stratigraphic trap.
References in periodicals archive ?
The Kitabu prospect is a stratigraphic trap located four kilometres to the north of the Shell-operated producing South Furious 30 oil field with target reservoirs in onlapping turbidite sandstones of the same Miocene sequence.
The new structure, which has been mapped with two-dimensional seismic, covers a twenty-five-square-mile area and is a structural rather than a stratigraphic trap, which means gas-bearing reservoir sands would likely be thicker and more productive than thinner layers of reservoir more likely in a stratigraphic trap.
Mullen is a stratigraphic trap, reliant upon updip pinch-out of the turbidite reservoir on to a mud-dominated slope succession.
This collection is the result of a May 2004 meeting examining current petroleum industry perceptions of stratigraphic trap exploration together with the technologies, tools, and philosophy of stratigraphic trap exploration.
The SOA #2 prospect depended on the 9500' sand to be a stratigraphic trap (i.
Rhea is a Cretaceous-aged stratigraphic trap prospect with multiple reservoir targets and total estimated gross mean unrisked resources in excess of 250 million barrels of oil.
aaa The results from the A4 well provide further confirmation of an oil column height of at least 155 feet in Basal Sand 1 in a large structural and stratigraphic trap that encompasses the A1, A2, A3 and A4 wells.
Drilling is currently in progress on one more deepwater exploration well in Block CI-401, the Albacore-1X, located 33 kilometers (21 miles) to the east of Independance-1X on a similar large Turonian deepwater slope channel stratigraphic trap.
This provides a significant gas resource upside in this stratigraphic trap should Advent successfully identify areas within the interpreted Waggon Creek gas accumulation of thicker reservoir development.
The Mississippian oil trend is an expansive carbonate stratigraphic trap producing at shallow depths ranging from 4,500 to 7,000 feet below the surface.
These targets consist of a Permian age stratigraphic trap and a Pennsylvanian age structural trap.
Another - the Narmer-1X - is a stratigraphic trap that is separated from the Neilos oil field located five miles to the east.