LADDIE #1-2H
API 3503922395 · Custer County, Oklahoma
EXNT
Drilling permit
Oklahoma files 1 application to drill this well, naming 8 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 2011-10-26
WRADRHorizontal holePermit API
35039223950000
Operator
CHESAPEAKE OPERATING LLC
Well type
NT
Approved
2011-10-26
Expires
2012-10-26
Proposed depth
17,000 ft
Surface casing
490 ft
Ground elevation
1,745 ft
Target formations
| Formation | Expected top (ft) |
|---|---|
| BROWN DOLOMITE | 8,233 |
| DOUGLAS (TONKAWA UP) | 8,583 |
| TONKAWA LOW | 8,972 |
| COTTAGE GROVE | 10,415 |
| MARCHAND | 10,580 |
| CLEVELAND | 11,175 |
| MARMATON | 11,540 |
| CHEROKEE | 11,785 |
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.
Every well in Custer County, Oklahoma
Oklahoma state record, from OK_wells_rbdms-wells.parquet. Corpus built 2026-09-11.