combination trap

combination trap

[‚käm·bə′nā·shən ¦trap]
(geology)
Underground reservoir structure closure, deformation, or fault where reservoir rock covers only part of the structure.
References in periodicals archive ?
The Tigana field represents a combination trap with a structural component (to the east, west and north) and a stratigraphic component (to the south).
Vecta Oil & Gas is at the forefront of E&P companies acquiring and utilizing multi-component seismic data to image complex structural and stratigraphic combination traps in the US Midcontinent, the Rockies, and the Permian basin.
There is also evidence that subtle stratigraphic trapping could enhance the size of combination traps.