42-311-34519
Final Completion HorizontalMARTIN MASON RANCH UNIT A
MCMULLEN County · District 1 · CHESAPEAKE OPERATING INC. · EAGLEVILLE (EAGLE FORD-1)
Permits
1
Max Depth
12,000 ft
First Permit
2011-04-01
Latest Activity
2011-04-01
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
2011-06-27
Shut-In
—
Plugged
—
EWA / Production operator mismatch
Scheduling: CHESAPEAKE OPERATING INC. ≠ Production: INEOS USA OIL & GAS LLC (reported 2026-04)
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
2010-12
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 388 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| ANACACHO | 9,156 ft | -8,768 ft |
| AUSTIN CHALK | 9,498 ft | -9,110 ft |
| EAGLE FORD | 9,654 ft | -9,266 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 (2)
| Interval | Type |
|---|---|
| 10,513–17,802 ft | Perforated |
| 16,975–17,802 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 9.625" | 4,350 ft | 1,242 sx |
| 5.5" | 17,920 ft | 3,025 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
- U 5H
- Max Depth
- 12,000 ft
- Drill Type
- Horizontal
- County
- MCMULLEN
- District
- 1
- Operator
- CHESAPEAKE OPERATING INC.
- Completed
- 2011-06-27
Operator
- Name
- PARKWAY PETRO, INC
- Location
- OKLAHOMA CI, TY
- P-5 Status
- Delinquent (filed 2024-12-10)
- Cum Oil (all leases)
- 120,218,990 bbl
- Cum Gas (all leases)
- 5,501,647,035 mcf
- Total Permits
- 13,061