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

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

USGS Open File Report 99-015


Depths to Selected Stratigraphic Horizons

WELL NAME      ROCK UNIT                                   DEPTH, FEET
WEST DEASE 1   Surficial Deposits and/or Gubik Formation   19.00                 
WEST DEASE 1   Torok Formation                             80.00                 
WEST DEASE 1   Pebble Shale Unit                           1700.00               
WEST DEASE 1   Kingak Shale                                2090.00               
WEST DEASE 1   Sag River Sandstone                         3220.00               
WEST DEASE 1   Shublik Formation                           3830.00               
WEST DEASE 1   Basement Complex                            4005.00               

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.