K. SIERRA #5-20
API 3505123306 · Grady 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 2005-10-04
WRADRPermit API
35051233060000
Operator
MARATHON OIL COMPANY LLC
Well type
GAS
Approved
2005-10-04
Expires
2006-04-04
Proposed depth
17,000 ft
Surface casing
650 ft
Ground elevation
1,191 ft
Target formations
| Formation | Expected top (ft) |
|---|---|
| SYCAMORE | 13,100 |
| WOODFORD | 13,300 |
| HUNTON | 13,500 |
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
34.722282, -97.753886
34.72228, -97.75389 · Surface location as filed with Oklahoma⌘ or Ctrl + scroll to zoom
Every well in Grady County, Oklahoma
Oklahoma state record, from OK_wells_rbdms-wells.parquet. Corpus built 2026-09-11.