SHEPHERD #1-18
API 3503921588 · Custer County, Oklahoma
ACGAS
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 1994-06-23
WRADRPermit API
35039215880000
Operator
CHESAPEAKE OPERATING LLC
Well type
GAS
Approved
1994-06-23
Expires
1995-01-06
Proposed depth
12,500 ft
Surface casing
700 ft
Ground elevation
1,764 ft
Target formations
| Formation | Expected top (ft) |
|---|---|
| HEEBNER | 7,970 |
| TONKAWA | 8,636 |
| HOGSHOOTER | 9,902 |
| CLEVELAND | 10,474 |
| MARMATON | 10,574 |
| PRUE | 11,190 |
| SKINNER | 11,757 |
| RED FORK | 12,153 |
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
35.601928, -99.157230
35.60193, -99.15723 · 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.