42-311-34220
Final Completion HorizontalMARTIN-MASON RANCH UNIT A
MCMULLEN County · District 1 · CHESAPEAKE OPERATING INC. · EAGLEVILLE (EAGLE FORD)
Permits
1
Max Depth
9,850 ft
First Permit
2010-04-21
Latest Activity
2010-04-21
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
2010-07-22
Shut-In
—
Plugged
—
EWA / Production operator mismatch
Scheduling: CHESAPEAKE OPERATING INC. ≠ Production: INEOS USA OIL & GAS LLC (reported 2026-04)
EWA / Permit operator mismatch
Scheduling: CHESAPEAKE OPERATING INC. ≠ Permit: UNION GAS OPERATING COMPANY
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
2010-06
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 (3) Elevation 388 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| ESCONDIDO | 6,407 ft | -6,019 ft |
| AUSTIN CHALK | 9,285 ft | -8,897 ft |
| EAGLE FORD | 9,410 ft | -9,022 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 |
|---|---|
| 9,743–16,495 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 9.625" | 4,434 ft | 1,440 sx |
| 5.5" | 16,604 ft | 2,416 sx |
Permit History (1)
Applications (1)
Records & Logs
5 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
- 1H
- Max Depth
- 9,850 ft
- Drill Type
- Horizontal
- County
- MCMULLEN
- District
- 1
- Operator
- CHESAPEAKE OPERATING INC.
- Completed
- 2010-07-22
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