DENVER #1-4
API 3503921392 · Custer County, Oklahoma
ACGAS
Drilling permit
Oklahoma files 1 application to drill this well, naming 7 target formations. A permit records what an operator asked to do, not what it did. A target formation is where the operator aimed, and the hole may have missed it, stopped short of it or never been drilled.
Filed 1990-10-22
WRADRPermit API
35039213920000
Operator
CHESAPEAKE OPERATING LLC
Well type
GAS
Approved
1990-10-22
Expires
1991-05-06
Proposed depth
15,250 ft
Surface casing
550 ft
Ground elevation
1,750 ft
Target formations
| Formation | Expected top (ft) |
|---|---|
| TONKAWA UP | 9,185 |
| COTTAGE GROVE | 9,281 |
| CLEVELAND | 10,275 |
| RED FORK | 11,855 |
| ATOKA | 13,077 |
| MORROW | 13,125 |
| SPRINGER | 14,429 |
An expected top is the depth the operator predicted before drilling, on the application it filed with Oklahoma. It is not a measurement of where the formation was found.
Location
35.625807, -99.020022
35.62581, -99.02002 · Surface location as filed with Oklahoma⌘ or Ctrl + scroll to zoom
Every well in Custer County, Oklahoma
Oklahoma state record, from OK_wells_rbdms-wells.parquet. Corpus built 2026-09-11.