Herrold 8

API 15065017790000 · Graham County, Kansas · Cooper field

Producing
API
15065017790000
Operator
Farmer, John O., Inc.
County
Graham
Field
Cooper
Spudded
1954-03-26
Completed
1954-04-06
Measured depth
3,725 ft

Formation tops

Kansas records 8 formations for this well, shallowest first.

FormationTop (ft)Base (ft)Picks
Topeka Limestone Formation3,175—1
Heebner Shale Member3,376—1
Toronto Limestone Member3,402—1
Lansing Group3,418—1
Kansas City Group—3,6461
Base Morrowan Member—3,6941
Simpson Group3,704—1
Arbuckle Group3,719–3,720—2

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. 1 formation was picked at more than one depth by different Kansas sources, and its range is shown rather than one of the answers.

Location

39.157102, -99.615330

39.15710, -99.61533 · Surface location as filed with Kansas

Every well in Graham County, Kansas

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