Breitling-Bear Run

The Breitling-Bear Run well was drilled horizontally through the Cottage Grove at a TMD (total measured depth) of approximately 13,113’.

Project Information

Custer County
Primary Formation
Cottage Grove
Secondary Formations
Basic Formation Information
The Cottage Grove is a middle Pennsylvanian sandstone within the Missouri series and Ochelata group. In this area it lies approximately 250 feet below the base of the Tonkawa sandstone, immediately below the Muncie Creek shale and above the Hogshooter limestone. The Cottage Grove is generally a single unit throughout the field, but on the east flank of the field the sandstone separates into two distinct units with an interval of shale between.

Project Photos

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