RYAN #1-30
API 3509324591 · Major County, Oklahoma
ACGAS
Drilling permit
Oklahoma files 1 application to drill this well, naming 6 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 2007-01-19
WRADRPermit API
35093245910000
Operator
CHESAPEAKE OPERATING LLC
Well type
GAS
Approved
2007-01-19
Expires
2007-07-19
Proposed depth
7,850 ft
Surface casing
800 ft
Ground elevation
1,653 ft
Target formations
| Formation | Expected top (ft) |
|---|---|
| TONKAWA | 5,580 |
| COTTAGE GROVE | 6,085 |
| OSWEGO | 6,390 |
| CHEROKEE | 6,685 |
| CHESTER LM | 6,805 |
| MISSISSIPPI LM (MERAMEC) | 7,470 |
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
36.443640, -98.955760
36.44364, -98.95576 · 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.