42-507-31957
PRODUCINGPRYOR RANCH
ZAVALA County · District 1 · MCDAY ENERGY CORP. · WINN-DULCE (BRACERO-OIL)
Permits
1
Max Depth
3,100 ft
First Permit
1983-04-27
Latest Activity
1983-04-27
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
1984-04-07
Shut-In
—
Plugged
—
P-5 Org Status: X
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
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 (5) Elevation 688 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| ESCONDIDO | 1,920 ft | -1,232 ft |
| OLMOS | 2,530 ft | -1,842 ft |
| DEL MONTE | 2,859 ft | -2,171 ft |
| BRACERO | 2,907 ft | -2,219 ft |
| ELAINE | 2,990 ft | -2,302 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 (1)
| Interval | Type |
|---|---|
| 2,934–2,945 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 8.625" | 201 ft | 145 sx |
| 4.5" | 3,050 ft | 700 sx |
Permit History (1)
Applications (1)
Records & Logs
2 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
- 179
- Max Depth
- 3,100 ft
- Drill Type
- Vertical
- County
- ZAVALA
- District
- 1
- Operator
- MCDAY ENERGY CORP.
- Completed
- 1984-04-07
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