42-323-33429
PRODUCING HorizontalLOS CUATROS
MAVERICK County · District 1 · AMRWR LLC · LOS CUATROS (LOWER CRETACEOUS)
Permits
2
Max Depth
7,800 ft
First Permit
2012-10-22
Latest Activity
2012-10-22
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2013-03-07
Shut-In
—
Plugged
—
P-5 Org Status: X
EWA / Production operator mismatch
Scheduling: AMRWR LLC ≠ Production: ATERRA EXPLORATION, LLC (reported 2014-09)
EWA / Permit operator mismatch
Scheduling: AMRWR LLC ≠ Permit: ATERRA EXPLORATION, LLC
Resolved via: scheduling → AMRWR 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
2013-03
Last Production
2026-07
Operator History
originally filed by ATERRA EXPLORATION, LLC — asset transferred
Lease Production
Production is reported at the lease level. View production data, decline curves, and history on the lease page.
Formation Tops (4) Elevation 820 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| BUDA | 2,860 ft | -2,040 ft |
| DEL RIO | 3,015 ft | -2,195 ft |
| RODESSA | 5,895 ft | -5,075 ft |
| PEARSALL | 6,800 ft | -5,980 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 |
|---|---|
| 7,485–11,640 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 997 ft | 732 sx |
| 9.625" | 6,297 ft | 946 sx |
| 4.5" | 11,820 ft | 3,111 sx |
Permit History (2)
Applications (2)
Records & Logs
1 completion filing 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
Operator
- Name
- AMRWR, LLC
- Location
- SAN ANTONIO
- P-5 Status
- X (filed 2025-12-05)
- Cum Oil (all leases)
- — bbl
- Cum Gas (all leases)
- — mcf
- Activities
- OPRS/G, OPRS/O