42-371-06056
Final Completion HorizontalSMITH TAYLOR
PECOS County · District 8 · MARATHON OIL COMPANY · YATES
Permits
1
Max Depth
1,999 ft
First Permit
2007-01-22
Latest Activity
2007-01-22
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
—
Shut-In
—
Plugged
—
EWA / Production operator mismatch
Scheduling: MARATHON OIL COMPANY ≠ Production: KINDER MORGAN PRODUCTION CO LLC (reported 2026-04)
EWA / Permit operator mismatch
Scheduling: MARATHON OIL COMPANY ≠ Permit: KINDER MORGAN PRODUCTION CO LP
Resolved via: production → KINDER MORGAN PRODUCTION CO 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
1993-01
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 (6) Elevation 2,638 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| BASE (CREATACEOUS) | 563 ft | +2,075 ft |
| YATES (SMITH SAND) (Yates) | 695 ft | +1,943 ft |
| SEVEN RIVERS | 789 ft | +1,849 ft |
| QUEEN | 1,250 ft | +1,388 ft |
| GRAYBURG | 1,288 ft | +1,350 ft |
| SAN ANDRES | 1,360 ft | +1,278 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 |
|---|---|
| 1,490–1,707 ft | Perforated |
| ?–1,500 ft | Perforated |
Casing (5)
| Size | Set Depth | Cement |
|---|---|---|
| 10.75" | 502 ft | — |
| 8.625" | 801 ft | 25 sx |
| 7" | 1,145 ft | 25 sx |
| 5.5" | 1,208 ft | 95 sx |
| 4.5" | 1,598 ft | 305 sx |
Permit History (1)
Applications (1)
Records & Logs
2 completion filings on record · 1 with log images at RRC.
Completion packets open directly (post-2011 filings include attached logs). Log images and the UL library can't be deep-linked — clicking copies the API for you to paste.
No GPS coordinates yet
Well Details
- Well Number
- 51A12
- Max Depth
- 1,999 ft
- Drill Type
- Horizontal
- County
- PECOS
- District
- 8
- Operator
- MARATHON OIL COMPANY
Operator
- Name
- MARATHON OIL CO
- Location
- HOUSTON
- P-5 Status
- Active (filed 2025-08-14)
- Cum Oil (all leases)
- 183,150,113 bbl
- Cum Gas (all leases)
- 1,013,063,895 mcf
- Activities
- CSGD/P, G/PUR
- Total Permits
- 3,707