42-013-34897
PRODUCING HorizontalHEARD BOWER CENTRAL UNIT
ATASCOSA County · District 1 · MARATHON OIL EF LLC · EAGLEVILLE (EAGLE FORD-1)
Permits
1
Max Depth
11,100 ft
First Permit
2014-01-06
Latest Activity
2014-01-06
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2023-02-23
Shut-In
—
Plugged
—
P-5 Org Status: Active
EWA / Permit operator mismatch
Scheduling: MARATHON OIL EF LLC ≠ Permit: AURORA USA DEVELOPMENT, LLC
Resolved via: production → MARATHON OIL EF 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
2011-09
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 (15) Elevation 276 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| MIDWAY | 7,171 ft | -6,895 ft |
| ANACACHO | 10,587 ft | -10,311 ft |
| EAGLE FORD | 10,926 ft | -10,650 ft |
| AUSTIN CHALK - H2S, DISPOSAL (Austin Chalk) | — | — |
| BARTOSH | — | — |
| BUDA - H2S (Buda) | — | — |
| CARRIZO | — | — |
| EDWARDS - H2S, DISPOSAL (Edwards) | — | — |
| ESCONDIDO - H2S, DISPOSAL (Escondido) | — | — |
| GEORGETOWN - H2S (Georgetown) | — | — |
| NAVARRO - H2S (Navarro) | — | — |
| OLMOS - DISPOSAL (Olmos) | — | — |
| QUEEN CITY | — | — |
| REKLAW | — | — |
| WILCOX - DISPOSAL (Wilcox) | — | — |
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 |
|---|---|
| 11,380–19,062 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 9.625" | 5,276 ft | 1,466 sx |
| 5.5" | 19,280 ft | 2,762 sx |
Permit History (1)
Applications (1)
Records & Logs
3 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
- 25H
- Max Depth
- 11,100 ft
- Drill Type
- Horizontal
- County
- ATASCOSA
- District
- 1
- Operator
- MARATHON OIL EF LLC
- Completed
- 2023-02-23
Operator
- Name
- MARATHON OIL EF LLC
- Location
- HOUSTON
- P-5 Status
- Active (filed 2025-09-26)
- Cum Oil (all leases)
- 409,189,156 bbl
- Cum Gas (all leases)
- 1,029,735,602 mcf
- Activities
- CSGD/G, CSGD/P, G/PUR, GTHS/C, GTHS/G, GTHS/O, OPRS/G, OPRS/O
- Total Permits
- 3,175