NORTHRUP #4-15
API 3504521827 · Ellis County, Oklahoma
ACGAS
Completion
Oklahoma files 1 completion report for this well.
Completion 0
STRAIGHT HOLEACGASSpudded
1995-10-11
Drilling finished
1995-10-24
Completed
1995-12-08
First production
1995-12-08
Total depth
7,550 ft
Operator
EXPRESS OIL & GAS LLC
Interval
| Formation | Produced | Perforated (ft) | Treatment |
|---|---|---|---|
| DOUGLAS(LESS TONKAWA) | GAS | 7,297–7,402 | Acid, Frac |
Casing
| String | Size (in) | Weight (lb/ft) | Grade | Set (ft) | Cement (sacks) |
|---|---|---|---|---|---|
| PRODUCTION | 5 1/2 | 17 | J-55 | 7,543 | 155 |
| CONDUCTOR | 20 | 65 | H-40 | 40 | 40 |
| SURFACE | 8 5/8 | 24 | J-55 | 990 | 475 |
Drilling permit
Oklahoma files 1 application to drill this well, naming 1 target formation. 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 1995-10-06
WRADRPermit API
35045218270000
Operator
OVINTIV MID-CONTINENT INC.
Well type
GAS
Approved
1995-10-06
Expires
1996-04-20
Proposed depth
7,550 ft
Surface casing
1,000 ft
Ground elevation
2,388 ft
Target formation
| Formation | Expected top (ft) |
|---|---|
| DOUGLAS LS TONKAWA | 7,226 |
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
35.951810, -99.958080
35.95181, -99.95808 · 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.