SIERRA #1-34
API 3509324893 · Major County, Oklahoma
ACOIL
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 2008-11-12
WRADRStraight holePermit API
35093248930000
Operator
CHESAPEAKE OPERATING LLC
Well type
OIL
Approved
2008-11-12
Expires
2009-05-12
Proposed depth
8,610 ft
Surface casing
800 ft
Ground elevation
1,390 ft
Target formations
| Formation | Expected top (ft) |
|---|---|
| BIG LIME-OSWEGO | 6,140 |
| CHESTER | 6,499 |
| MERAMEC | 7,032 |
| OSAGE | 7,102 |
| KINDERHOOK | 7,752 |
| HUNTON | 7,931 |
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
36.432415, -98.784476
36.43241, -98.78448 · 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.