ASHBY #1
API 3503921743 · Custer County, Oklahoma
Drilling permits
Oklahoma files 4 applications to drill this well, naming 20 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 1998-02-02
WRADRTarget formations
| Formation | Expected top (ft) |
|---|---|
| TONKAWA | 7,725 |
| COTTAGE GROVE | 8,985 |
| MARCHAND | 9,515 |
| OSWEGO | 9,800 |
| CULP-MELTON | 10,000 |
| CHEROKEE | 11,500 |
| ATOKA LM | 12,600 |
| ATOKA SD | 12,700 |
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.
Filed 1998-02-02
WRAAMTarget formations
| Formation | Expected top (ft) |
|---|---|
| TONKAWA | 7,725 |
| COTTAGE GROVE | 8,985 |
| MARCHAND | 9,515 |
| OSWEGO | 9,800 |
| CULP-MELTON | 10,000 |
| CHEROKEE | 11,500 |
| ATOKA LM | 12,600 |
| ATOKA SD | 12,700 |
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.
Filed 1999-05-11
WRARCTarget formations
| Formation | Expected top (ft) |
|---|---|
| CHEROKEE | 11,500 |
| ATOKA SD | 12,340 |
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.
Filed 2025-02-28
DELRCStraight holeTarget formations
| Formation | Expected top (ft) |
|---|---|
| CHEROKEE | 11,500 |
| ATOKA SD | 12,340 |
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
35.547449, -98.627444
Every well in Custer County, Oklahoma
Oklahoma state record, from OK_wells_rbdms-wells.parquet. Corpus built 2026-09-11.