42-311-34540
SHUT IN HorizontalMARTIN MASON UNIT N
MCMULLEN County · District 1 · INEOS USA OIL & GAS LLC · EAGLEVILLE (EAGLE FORD-1)
Permits
1
Max Depth
12,000 ft
First Permit
2011-05-12
Latest Activity
2011-05-12
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2012-06-29
Shut-In
—
Plugged
—
P-5 Org Status: X
EWA / Permit operator mismatch
Scheduling: INEOS USA OIL & GAS LLC ≠ Permit: CHESAPEAKE OPERATING, INC.
Resolved via: production → INEOS USA OIL & GAS 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
2011-04
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) Elevation 386 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| ANACACHO | 8,490 ft | -8,104 ft |
| AUSTIN CHALK | 8,872 ft | -8,486 ft |
| EALGE FORD | 9,126 ft | -8,740 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 |
|---|---|
| 9,377–14,255 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 9.625" | 3,937 ft | 1,139 sx |
| 5.5" | 14,362 ft | 1,670 sx |
Permit History (1)
Applications (1)
Records & Logs
1 completion filing on record.
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
- 4H
- Max Depth
- 12,000 ft
- Drill Type
- Horizontal
- County
- MCMULLEN
- District
- 1
- Operator
- INEOS USA OIL & GAS LLC
- Completed
- 2012-06-29
Operator
- Location
- DENVER
- P-5 Status
- X (filed 2026-05-26)
- Cum Oil (all leases)
- 38,411,227 bbl
- Cum Gas (all leases)
- 123,424,939 mcf
- Activities
- OPRS/G, OPRS/O
- Total Permits
- 85