CASTOR 1

API 15135208640000 · Ness County, Kansas · DELOS field

Plugged and AbandonedPlugged 1986-01-17
API
15135208640000
Operator
Thunderbird Drilling, Inc.
County
Ness
Field
DELOS
Spudded
1974-05-19
Completed
1974-07-19
Plugged
1986-01-17
Measured depth
4,478 ft

Formation tops

Kansas records 12 formations for this well, shallowest first.

FormationTop (ft)Base (ft)
Stone Corral Formation1,930—
Wellington Formation2,030—
Chase Group2,656—
Heebner Shale Member3,816—
Toronto Limestone Member3,832—
Lansing Group3,854—
Kansas City Group—4,210
Marmaton Group4,244—
Pawnee Limestone Formation4,308—
Fort Scott Limestone Formation4,365—
Cherokee Group4,390—
Mississippian System4,465—

A dash is a formation Kansas records for this well without a depth. In the base column a dash is also a depth Kansas’s sources record differently from one another.

Location

38.532324, -100.217569

38.53232, -100.21757 · Surface location as filed with Kansas

Every well in Ness County, Kansas

Kansas state record, from KS_wells_ks_wells.parquet. Corpus built 2026-09-11.