DOROTHY SWD #1-20
API 3509323734 · Major County, Oklahoma
PATM
Completion
Oklahoma files 1 completion report for this well.
Completion 2
SERVICE WELLPATMSpudded
1992-11-09
Drilling finished
1992-12-09
Completed
1993-04-15
Recompleted
2016-10-10
Total depth
9,500 ft
Operator
CONTINENTAL RESOURCES INC
Interval
| Formation | Produced | Perforated (ft) |
|---|---|---|
| SIMPSON | DISP | 8,384–8,572 |
Casing
| String | Size (in) | Weight (lb/ft) | Grade | Set (ft) | Cement (sacks) |
|---|---|---|---|---|---|
| PRODUCTION | 5 1/2 | 17 | N80 | 9,393 | 300 |
| CONDUCTOR | 16 | 42 | H40 | 71 | 10 |
| SURFACE | 8 5/8 | 24 | J-55 | 623 | 250 |
Drilling permit
Oklahoma files 1 application to drill this well, naming 7 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 1992-10-20
WRADRPermit API
35093237340000
Operator
CONTINENTAL RESOURCES INC
Well type
TM
Approved
1992-10-20
Expires
1993-05-04
Proposed depth
9,500 ft
Surface casing
600 ft
Ground elevation
1,238 ft
Target formations
| Formation | Expected top (ft) |
|---|---|
| VIOLA | 8,100 |
| SIMPSON DOLO | 8,170 |
| MARSHALL | 8,260 |
| WILCOX 2 | 8,290 |
| MCLISH | 8,500 |
| OIL CREEK | 8,570 |
| ARBUCKLE | 8,830 |
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
36.281235, -98.192597
36.28124, -98.19260 · 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.