GRAHAM "F" #3-30
API 3503921746 · Custer County, Oklahoma
ACGAS
Drilling permit
Oklahoma files 1 application to drill this well, naming 5 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 1998-02-13
WRADRPermit API
35039217460000
Operator
MARATHON OIL COMPANY LLC
Well type
GAS
Approved
1998-02-13
Expires
1998-08-13
Proposed depth
11,700 ft
Surface casing
4,500 ft
Ground elevation
1,907 ft
Target formations
| Formation | Expected top (ft) |
|---|---|
| TONKAWA | 8,370 |
| COTTAGE GROVE | 9,140 |
| CLEVELAND | 10,000 |
| MARMATON | 10,460 |
| CHEROKEE | 11,000 |
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
35.746613, -99.263850
35.74661, -99.26385 · 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.