42-013-33985
UFEDERAL ROYALTY CO. ETAL -A-
ATASCOSA County · District 1 · PETROSAURUS INC. · SOMERSET
Permits
1
Max Depth
1,650 ft
First Permit
1992-11-24
Latest Activity
1992-11-24
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1993-03-03
Shut-In
—
Plugged
2023-11-20
EWA / Permit operator mismatch
Scheduling: PETROSAURUS INC. ≠ Permit: DEVON ENERGY CORPORATION(NEVADA)
Resolved via: scheduling → PETROSAURUS 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 (4) Elevation 787 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| ESCONDIDO | 1,017 ft | -230 ft |
| TAYLOR | 1,400 ft | -613 ft |
| OLMOS 1 (Olmos) | 1,418 ft | -631 ft |
| OLMOS 2 (Olmos) | 1,507 ft | -720 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 |
|---|---|
| 1,418–1,434 ft | Perforated |
| 1,508–1,514 ft | Perforated |
Casing (1)
| Size | Set Depth | Cement |
|---|---|---|
| 4.5" | 1,600 ft | 175 sx |
Permit History (1)
Applications (1)
Records & Logs
2 completion filings on record · 1 with log images at RRC.
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
- 12
- Max Depth
- 1,650 ft
- Drill Type
- Vertical
- County
- ATASCOSA
- District
- 1
- Operator
- PETROSAURUS INC.
- Completed
- 1993-03-03
Operator
- Name
- PETROSAURUS, INC.
- Location
- SOMERSET
- P-5 Status
- Delinquent (filed 2020-10-26)
- Cum Oil (all leases)
- 172,302 bbl
- Cum Gas (all leases)
- — mcf
- Activities
- GTHS/O, OPRS/O