42-013-34081
PRODUCINGBUTTS & SAWYER
ATASCOSA County · District 1 · MAZCO ENERGY LLC · PLEASANTON SOUTH (EDWARDS LIME)
Permits
1
Max Depth
9,000 ft
First Permit
1997-03-18
Latest Activity
1997-03-18
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
1997-06-27
Shut-In
—
Plugged
—
P-5 Org Status: X
EWA / Permit operator mismatch
Scheduling: MAZCO ENERGY LLC ≠ Permit: PEDECO, INC.
Resolved via: production → MAZCO ENERGY LLC
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
1997-06
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 (6) Elevation 351 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| AUSTIN CHALK | 7,464 ft | -7,113 ft |
| EAGLEFORD (Eagle Ford) | 7,812 ft | -7,461 ft |
| BUDA | 7,830 ft | -7,479 ft |
| DEL RIO | 7,930 ft | -7,579 ft |
| GEORGETOWN | 7,984 ft | -7,633 ft |
| EDWARD | 8,110 ft | -7,759 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 |
|---|---|
| 8,149–8,151 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 8.625" | 1,984 ft | 660 sx |
| 5.5" | 8,380 ft | 885 sx |
| 5.5" | — | 1,165 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
- 1
- Max Depth
- 9,000 ft
- Drill Type
- Vertical
- County
- ATASCOSA
- District
- 1
- Operator
- MAZCO ENERGY LLC
- Completed
- 1997-06-27
Operator
- Name
- MAZCO ENGY LLC
- Location
- SAN ANTONIO
- P-5 Status
- X (filed 2026-01-21)
- Cum Oil (all leases)
- 144,335 bbl
- Cum Gas (all leases)
- — mcf
- Activities
- OPRS/O
- Total Permits
- 1