WILLIS #6-4
API 3510529731 · Nowata County, Oklahoma
Completion
Oklahoma files 1 completion report for this well.
Completion 2
STRAIGHT HOLEPAGASIntervals
| Formation | Produced | Perforated (ft) |
|---|---|---|
| SUMMIT | TA | 527–531 |
| MULKY | TA | 564–568 |
| IRON POST | TA | 584–588 |
Casing
| String | Size (in) | Weight (lb/ft) | Grade | Set (ft) | Cement (sacks) |
|---|---|---|---|---|---|
| CONDUCTOR | 8 5/8 | 20 | — | 46 | 30 |
| PRODUCTION | 7 7/8 | 14 | — | 1,154 | 195 |
Drilling permits
Oklahoma files 2 applications to drill this well, naming 20 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 2001-06-05
WRADRTarget formations
| Formation | Expected top (ft) |
|---|---|
| PERU | 350 |
| OSWEGO | 450 |
| SUMMIT | 490 |
| MULKY | 525 |
| IRON POST | 540 |
| PRUE | 550 |
| BARTLESVILLE | 900 |
| ROWE COAL | 990 |
| RIVERTON | 1,050 |
| MISSISSIPPI CHAT | 1,070 |
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.
Filed 2004-09-15
WRAAMTarget formations
| Formation | Expected top (ft) |
|---|---|
| PERU | 350 |
| OSWEGO | 450 |
| SUMMIT | 490 |
| MULKY | 525 |
| IRON POST | 540 |
| PRUE | 550 |
| BARTLESVILLE | 900 |
| ROWE COAL | 990 |
| RIVERTON | 1,050 |
| MISSISSIPPI CHAT | 1,070 |
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
36.858028, -95.644861
Every well in Nowata County, Oklahoma
Oklahoma state record, from OK_wells_rbdms-wells.parquet. Corpus built 2026-09-11.