42-311-36018
SHUT IN HorizontalY-BAR EAST UNIT A
MCMULLEN County · District 1 · CASTLEROCK EF OPERATING LLC · EAGLEVILLE (EAGLE FORD-1)
Permits
2
Max Depth
11,000 ft
First Permit
2014-04-28
Latest Activity
2014-04-28
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: scheduling → 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
2014-06
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 (17) Elevation 337 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| FRIO - DISPOSAL (Frio) | 1,460 ft | -1,123 ft |
| CATAHOULA - DISPOSAL (Catahoula) | 1,590 ft | -1,253 ft |
| YEGUA - DISPOSAL (Yegua) | 2,890 ft | -2,553 ft |
| WILCOX - DISPOSAL (Wilcox) | 4,750 ft | -4,413 ft |
| NAVARRO | 6,611 ft | -6,274 ft |
| NAVARRO- ESCONDIDO (Navarro) | 6,611 ft | -6,274 ft |
| OLMOS | 7,530 ft | -7,193 ft |
| ESCONDIDO | 8,340 ft | -8,003 ft |
| UNDIFF CHALK | 8,988 ft | -8,651 ft |
| ANACACHO | 9,054 ft | -8,717 ft |
| AUSTIN CHALK | 9,176 ft | -8,839 ft |
| EAGLE FORD - H2S (Eagle Ford) | 9,756 ft | -9,419 ft |
| BUDA | — | — |
| CATAHOULA | — | — |
| FRIO | — | — |
| 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 ↗
Offset Well Tops (nearest 8 wells with tops)
What nearby completed wells reported.
Nearest wells within 10 mi (surface locations). Click wells to select them, then open the cross-section to compare tops side by side (max 6 wells per section, including this one).
Perforations (1)
| Interval | Type |
|---|---|
| 10,062–14,756 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 9.625" | 4,375 ft | 1,461 sx |
| 5.5" | 14,854 ft | 1,410 sx |
Permit History (2)
Applications (2)
Records & Logs
4 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.
Well Details
- Well Number
- 1H
- Max Depth
- 11,000 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