42-507-31671
Final CompletionPRYOR RANCH
ZAVALA County · District 1 · MCDAY ENERGY CORP. · WINN-DULCE (DEL MONTE)
Permits
1
Max Depth
3,169 ft
First Permit
1982-04-13
Latest Activity
1982-04-13
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1978-05-04
Shut-In
—
Plugged
—
EWA / Permit operator mismatch
Scheduling: MCDAY ENERGY CORP. ≠ Permit: WINN EXPLORATION/DULCE COMPANY
Resolved via: production → MCDAY ENERGY CORP.
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
originally filed by WINN EXPLORATION/DULCE COMPANY — asset transferred
Lease Production
Production is reported at the lease level. View production data, decline curves, and history on the lease page.
Formation Tops (5) Elevation 665 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| ESCONDIDO | 1,885 ft | -1,220 ft |
| OLMOS | 2,468 ft | -1,803 ft |
| DEL MONTE | 2,892 ft | -2,227 ft |
| BRACERO | 2,960 ft | -2,295 ft |
| ELAINE | 3,050 ft | -2,385 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 |
|---|---|
| 2,550–2,562 ft | Perforated |
| 2,900–2,926 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 8.625" | 405 ft | 310 sx |
| 2.375" | 2,836 ft | — |
| 4.5" | 3,169 ft | 680 sx |
Permit History (1)
Applications (1)
Records & Logs
3 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
- 57
- Max Depth
- 3,169 ft
- Drill Type
- Vertical
- County
- ZAVALA
- District
- 1
- Operator
- MCDAY ENERGY CORP.
- Completed
- 1978-05-04
Operator
- Name
- MCDAY ENGY CORP
- Location
- PLANO
- P-5 Status
- X (filed 2026-06-02)
- Cum Oil (all leases)
- 1,564,984 bbl
- Cum Gas (all leases)
- 1,473,807 mcf
- Activities
- OPRS/G, OPRS/O
- Total Permits
- 52