GRAFF (GRAFF PROJECT) 4

API 26033068020000 · Cheyenne County, Nebraska · GRAFF* field

PAEnhanced Oil Recovery - Injection
API
26033068020000
Operator
CENTRAL RESOURCES INC
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)
M ASH894
CHADRON960
CRETAC1,047
PIERRE1,486
FAULT3,776
NIOBRA3,777
FTHAYS4,052
CODELL4,125
CARLIL4,144
GREENH4,324
BELLE4,346
MOWRY4,471
GURLEY4,570
HUNTSM4,662
CRUISE4,712

A dash is a formation Nebraska records for this well without a depth.

Location

41.436505, -103.009512

41.43650, -103.00951 · 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.