42-311-35413
PRODUCING HorizontalY-BAR UNIT A
MCMULLEN County · District 1 · CASTLEROCK EF OPERATING LLC · EAGLEVILLE (EAGLE FORD-1)
Permits
1
Max Depth
9,800 ft
First Permit
2013-05-06
Latest Activity
2013-05-06
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2014-06-30
Shut-In
—
Plugged
—
P-5 Org Status: X
EWA / Permit operator mismatch
Scheduling: CASTLEROCK EF OPERATING LLC ≠ Permit: MURPHY EXPL. & PROD. CO. - USA
Resolved via: production → CASTLEROCK EF OPERATING 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
2014-03
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 (19) Elevation 334 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| FRIO - DISPOSAL (Frio) | 1,460 ft | -1,126 ft |
| CATAHOULA - DISPOSAL (Catahoula) | 1,590 ft | -1,256 ft |
| YEGUA - DISPOSAL (Yegua) | 2,890 ft | -2,556 ft |
| WILCOX - DISPOSAL (Wilcox) | 4,750 ft | -4,416 ft |
| OLMOS | 7,272 ft | -6,938 ft |
| ESCONDIDO | 8,340 ft | -8,006 ft |
| UNDIFF CHALK | 8,569 ft | -8,235 ft |
| ANACACHO | 8,686 ft | -8,352 ft |
| AUSTIN CHALK | 8,909 ft | -8,575 ft |
| AUSTIN CHALK | 9,070 ft | -8,736 ft |
| EAGLEFORD (Eagle Ford) | 9,416 ft | -9,082 ft |
| ANACACHO | 9,480 ft | -9,146 ft |
| BUDA - H2S (Buda) | — | — |
| CATAHOULA | — | — |
| EDWARDS - H2S (Edwards) | — | — |
| FRIO | — | — |
| GEORGETOWN | — | — |
| WILCOX | — | — |
| YEGUA | — | — |
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 |
|---|---|
| 10,062–14,756 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 9.625" | 3,966 ft | 1,333 sx |
| 5.5" | 14,770 ft | 1,505 sx |
Permit History (1)
Applications (1)
Records & Logs
2 completion filings on record · 2 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
- 1H
- Max Depth
- 9,800 ft
- Drill Type
- Horizontal
- County
- MCMULLEN
- District
- 1
- Operator
- CASTLEROCK EF OPERATING LLC
- Completed
- 2014-06-30
Operator
- Location
- SAN ANTONIO
- P-5 Status
- X (filed 2026-01-28)
- Cum Oil (all leases)
- 3,530,048 bbl
- Cum Gas (all leases)
- — mcf
- Activities
- OPRS/O
- Total Permits
- 34