42-013-34400
Final Completion HorizontalHEARD BOWER WEST UNIT
ATASCOSA County · District 1 · MARATHON OIL EF LLC · EAGLEVILLE (EAGLE FORD-1)
Permits
2
Max Depth
10,999 ft
First Permit
2011-07-15
Latest Activity
2011-07-15
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
2011-11-16
Shut-In
—
Plugged
—
EWA / Permit operator mismatch
Scheduling: MARATHON OIL EF LLC ≠ Permit: CINCO NATURAL RESOURCES CORP.
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 (3)
CSV| Formation | Top Depth (MD) |
|---|---|
| OLMOS | 8,222 ft |
| AUSTIN CHALK | 10,688 ft |
| EAGLE FORD | 10,828 ft |
As reported by operators on W-2/G-1 completion filings (RRC wellbore records). Depths are measured depth; names appear as filed. View filings & logs at RRC ↗
Perforations (1)
| Interval | Type |
|---|---|
| 11,026–15,110 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 310 ft | 250 sx |
| 9.625" | 5,670 ft | 1,550 sx |
| 5.5" | 15,246 ft | 2,250 sx |
Permit History (2)
Applications (2)
Records & Logs
4 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
- 2H
- Max Depth
- 10,999 ft
- Drill Type
- Horizontal
- County
- ATASCOSA
- District
- 1
- Operator
- MARATHON OIL EF LLC
- Completed
- 2011-11-16
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