According to Nighthawk, interpretation of four recently acquired 3-D seismic surveys covering a total of over 25,000 acres at Jolly Ranch have established potential sweet spots in the Cherokee and Atoka shale packages in addition to several conventional targets.
Two of the three wells being drilled – the Craig 6-4 and the Craig 16-32 – are development wells, located in the Bolero field, part of the Jolly Ranch core development area. The third well, John Craig 11-2 is located near Limon, which is to the north of the core project location and is an area previously undrilled by Nighthawk and Running Foxes.
Drilling has commenced on the Craig 16-32, which is a direct offset from three wells previously drilled by Nighthawk and Running Foxes that are producing oil from Atoka and Cherokee shales, limestones and dolomites.
The Craig 6-4 is twinned with the previously drilled Craig 6-4 salt water disposal well, which encountered several oil bearing horizons in the Cherokee and Atoka shales, as well as in the interbedded porous dolomites and limestone at depths of between 6,489ft and 7,079ft.
The John Craig 11-2 well is targeting a structural closure defined by the recent 3-D seismic survey over the project area near Limon, the interpretation of which identified between 50ft to 100ft of structural relief in the Paleozoic rocks and significant faulting around the target location.
The Great Plains field, which was recently discovered by another operator, is adjacent to the Limon area and has two high-rate production wells (currently approximately 300-600 barrels per day), which have been completed in the Excello shale of the Cherokee formation.
