Dept. of the Interior
U.S. Geological Survey
Energy Resources Team

Selected Data from Fourteen Wildcat Wells in 
the National Petroleum Reserve in Alaska

USGS Open File Report 00-200 


Wildcat Well South Barrow 18 - Depths to Selected Stratigraphic Horizons

WELL NAME         ROCK UNIT                                   DEPTH, FEET
SOUTH BARROW 18   Surficial Deposits and/or Gubik Formation      18.00                 
SOUTH BARROW 18   Torok Formation                                75.00                 
SOUTH BARROW 18   Pebble Shale Unit                            1375.00               
SOUTH BARROW 18   Kingak Shale                                 1760.00               

Data Source
Table 15.3. - Total depth and depths to selected stratigraphic horizons
for Government-drilled wells on the North Slope of Alaska., 
in:

Gryc, George, Ed., 1988, Geology and exploration of the National Petroleum
     Reserve in Alaska, 1974 to 1982, U.S. Geological Survey Professional 
     Paper 1399, Pgs. 322 - 324.