42-055-31098
COSEY-DORN UNIT 1
CALDWELL County · District 1 · MOTT OIL & GAS INC. · LULING-BRANYON (1700)
Permits
1
Max Depth
2,000 ft
First Permit
1977-12-27
Latest Activity
1977-12-27
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1977-11-18
Shut-In
—
Plugged
—
EWA / Production operator mismatch
Scheduling: MOTT OIL & GAS INC. ≠ Production: MILLENNIUM EXPLORATION CO. LLC (reported 2026-01)
Resolved via: scheduling → MOTT OIL & GAS INC.
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
Operator History
Chain of Custody
Lease Production
Production is reported at the lease level. View production data, decline curves, and history on the lease page.
Formation Tops (3) Elevation 440 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| AUSTIN CHALK | 1,735 ft | -1,295 ft |
| EAGLE FORD | 1,962 ft | -1,522 ft |
| BUDA | 1,988 ft | -1,548 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 |
|---|---|
| 1,746–1,930 ft | Perforated |
| ?–1,930 ft | Perforated |
Casing (1)
| Size | Set Depth | Cement |
|---|---|---|
| 5.5" | 2,066 ft | 320 sx |
Permit History (1)
Applications (1)
Records & Logs
4 completion filings on record.
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
- 1
- Max Depth
- 2,000 ft
- Drill Type
- Vertical
- County
- CALDWELL
- District
- 1
- Operator
- MOTT OIL & GAS INC.
- Completed
- 1977-11-18
Operator
- Name
- MOTT OIL & GAS, INC
- Location
- SUGAR LAND
- P-5 Status
- Inactive (filed 1993-05-14)
- Total Permits
- 17