42-059-31773
Final CompletionGEORGE 20
CALLAHAN County · District 7 · CROWN EXPLORATION COMPANY · PUTNAM WEST (DUFFER)
Permits
1
Max Depth
4,250 ft
First Permit
1977-07-21
Latest Activity
1977-07-21
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1977-08-27
Shut-In
—
Plugged
—
EWA / Production operator mismatch
Scheduling: CROWN EXPLORATION COMPANY ≠ Production: CHARTER PETROLEUM COMPANY (reported 2026-01)
Resolved via: scheduling → CROWN EXPLORATION COMPANY
Production Summary Production data is a work in progress — still being validated against RRC filings. Spot something off or have questions? [email protected]
Cum Oil
— bbl
Cum Gas
— mcf
First Production
1993-01
Last Production
2026-07
Lease Production
Production is reported at the lease level. View production data, decline curves, and history on the lease page.
Formation Tops (6) Elevation 1,541 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| CAPPS LIME | 2,367 ft | -826 ft |
| DUFFER | 2,823 ft | -1,282 ft |
| CADDO | 3,327 ft | -1,786 ft |
| DUFFER | 3,823 ft | -2,282 ft |
| BARNETT | 3,896 ft | -2,355 ft |
| ELLENBURGER | 4,021 ft | -2,480 ft |
As reported by operators on W-2/G-1 completion filings (RRC wellbore records). Depths are measured depth; names appear as filed. Subsea = reported elevation − measured depth (negative = below sea level; vertical wellbores only). View filings & logs at RRC ↗
Perforations (2)
| Interval | Type |
|---|---|
| 3,825–3,865 ft | Perforated |
| 3,825–? ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 8.625" | 225 ft | 125 sx |
| 2.375" | 4,060 ft | — |
| 4.5" | 4,091 ft | 350 sx |
Permit History (1)
Applications (1)
Records & Logs
7 completion filings on record.
+1 more filings
Completion packets open directly (post-2011 filings include attached logs). Log images can't be deep-linked — clicking copies the API for you to paste.
No GPS coordinates yet
Well Details
- Well Number
- 2-20
- Max Depth
- 4,250 ft
- Drill Type
- Vertical
- County
- CALLAHAN
- District
- 7
- Operator
- CROWN EXPLORATION COMPANY
- Completed
- 1977-08-27
Operator
- Name
- CROWN EXPL CO
- Location
- ABILENE
- P-5 Status
- Inactive (filed 1995-01-26)
- Total Permits
- 135