42-427-33384
PRODUCING DirectionalWALKER BILLY L.
STARR County · District 4 · MORTIMER PRODUCTION COMPANY · ARROYO LOS OLMOS (YEGUA 25)
Permits
1
Max Depth
6,000 ft
First Permit
2001-06-22
Latest Activity
2001-06-22
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2001-08-02
Shut-In
—
Plugged
—
P-5 Org Status: Active
EWA / Permit operator mismatch
Scheduling: MORTIMER PRODUCTION COMPANY ≠ Permit: MORTIMER EXPLORATION COMPANY
Resolved via: production → MORTIMER PRODUCTION COMPANY
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
2001-08
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 (2) Elevation 225 ft (KB)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| TOP OF YEGUA (Yegua) | 3,570 ft | -3,345 ft |
| TOP OF LOWER YEGUA (Yegua) | 5,520 ft | -5,295 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 (5)
| Interval | Type |
|---|---|
| 5,526–5,531 ft | Perforated |
| 5,543–5,552 ft | Perforated |
| 5,574–5,612 ft | Perforated |
| 5,634–5,637 ft | Perforated |
| 5,688–5,697 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 9.625" | 503 ft | 220 sx |
| 7" | 4,648 ft | 420 sx |
| 4.5" | 6,245 ft | 380 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
- 4
- Max Depth
- 6,000 ft
- Drill Type
- Directional
- County
- STARR
- District
- 4
- Operator
- MORTIMER PRODUCTION COMPANY
- Completed
- 2001-08-02
Operator
- Name
- MORTIMER PROD CO
- Location
- SAN ANTONIO
- P-5 Status
- Active (filed 2025-09-12)
- Cum Oil (all leases)
- 795,981 bbl
- Cum Gas (all leases)
- 16,952,029 mcf
- Activities
- CSGD/G, CSGD/P, G/PUR, GTHS/G, OPRS/G, OPRS/O
- Total Permits
- 53