THOMAS #4-1
API 3504522485 · Ellis County, Oklahoma
ACOIL
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 2005-07-06
WRADRPermit API
35045224850000
Operator
TRUEBLOOD RESOURCES INC
Well type
OIL
Approved
2005-07-06
Expires
2006-01-06
Proposed depth
9,400 ft
Surface casing
1,500 ft
Target formations
| Formation | Expected top (ft) |
|---|---|
| COUNCIL GROVE | 3,600 |
| TONKAWA | 6,200 |
| COTTAGE GROVE | 6,650 |
| CLEVELAND | 7,100 |
| DES MOINES | 7,250 |
| ATOKA | 7,950 |
| MORROW SD | 8,500 |
| MISSISSIPPIAN | 8,700 |
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
36.327457, -99.621800
36.32746, -99.62180 · Surface location as filed with Oklahoma⌘ or Ctrl + scroll to zoom
Every well in Ellis County, Oklahoma
Oklahoma state record, from OK_wells_rbdms-wells.parquet. Corpus built 2026-09-11.