SPARKS "B" 2

API 26033055870000 · Cheyenne County, Nebraska · DORMAN field

PAOil/Gas Well
API
26033055870000
Operator
MARATHON OIL CO
County
Cheyenne
Field

Formation tops

Nebraska records 15 formations for this well, shallowest first. Nebraska files a formation code and no table of full names, so the codes are shown as the state files them.

Nebraska formation codeTop (ft)Picks
BRULE4001
M ASH5951
CHADRON6921
CRETAC7141
PIERRE1,5061
NIOBRA3,9271
FTHAYS4,214–4,2492
CODELL4,3081
CARLIL4,3121
GREENH4,4821
BELLE4,4941
MOWRY4,6361
GURLEY4,7411
HUNTSM4,8221
CRUISE4,8831

A dash is a formation Nebraska records for this well without a depth. 1 formation was picked at more than one depth by different Nebraska sources, and its range is shown rather than one of the answers.

Location

41.182407, -103.032624

41.18241, -103.03262 · Surface location as filed with Nebraska

Every well in Cheyenne County, Nebraska

Nebraska state record, from NE_wells_NE_WELLS.parquet. Corpus built 2026-09-11.