FOSTER #1-31
API 3503921825 · Custer County, Oklahoma
ACGAS
Drilling permit
Oklahoma files 1 application to drill this well, naming 3 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 1999-09-27
WRADRPermit API
35039218250000
Operator
CHESAPEAKE OPERATING LLC
Well type
GAS
Approved
1999-09-27
Expires
2000-03-27
Proposed depth
11,800 ft
Surface casing
475 ft
Ground elevation
1,518 ft
Target formations
| Formation | Expected top (ft) |
|---|---|
| TONKAWA | 8,037 |
| CLEVELAND | 10,170 |
| CHEROKEE | 11,343 |
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
35.561918, -98.943907
35.56192, -98.94391 · 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.