Setting and structure of the Sorrento field
Index map
The Sorrento field is in southeastern Colorado on the north flank of the Las Animas Arch. The map below shows the location of the Sorrento field. Structure is contoured on the base of the Pennsylvanian.
Morrow structure map
The Sorrento field reservoir is Pennsylvanian Morrow valley-fill sandstones. As shown in the figure below, structure contours on a marker bed above the Morrow Sandstone reflect the irregular thickness of the sandstone body and a small structural nose and closure. The oil column is length::70 ft depth::(20 m) and exceeds structural closure. This is a combination structural-stratigraphic trap. Fluvial sandstones lap onto marine shale at the margins of the valley, forming lateral seals.
In the figure below, circled wells represent Marmaton wells; triangles, Mississippian wells; and large X's, study wells. The rest of the oil wells produce from the Morrow. Each unit in the grid is 1 sq mi.
See also
External links
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