WILLIS #1-19
API 3509324294 · Major County, Oklahoma
ACGAS
Drilling permit
Oklahoma files 1 application to drill this well, naming 9 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 2002-11-19
WRADRPermit API
35093242940000
Operator
CHESAPEAKE OPERATING LLC
Well type
GAS
Approved
2002-11-19
Expires
2003-05-19
Proposed depth
7,550 ft
Surface casing
750 ft
Ground elevation
1,711 ft
Target formations
| Formation | Expected top (ft) |
|---|---|
| PERMIAN | 4,500 |
| WABAUNSEE | 4,800 |
| SHAWNEE | 5,100 |
| DOUGLAS | 5,800 |
| MUSSELLEM | 6,330 |
| OSWEGO | 6,735 |
| RED FORK (CHEROKEE) | 7,025 |
| CHESTER LM | 7,210 |
| MISSISSIPPI LM | 7,400 |
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
36.364575, -98.957648
36.36458, -98.95765 · Surface location as filed with Oklahoma⌘ or Ctrl + scroll to zoom
Every well in Major County, Oklahoma
Oklahoma state record, from OK_wells_rbdms-wells.parquet. Corpus built 2026-09-11.