42-297-36078
Final Completion HorizontalTHREE SISTERS 01
LIVE OAK County · District 2 · MARATHON OIL EF LLC · SUGARKANE (EAGLE FORD)
Permits
1
Max Depth
25,000 ft
First Permit
2020-04-15
Latest Activity
2020-04-15
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
2022-01-26
Shut-In
—
Plugged
—
EWA / Permit operator mismatch
Scheduling: MARATHON OIL EF LLC ≠ Permit: ENSIGN OPERATING LLC
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
2017-09
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 (10) Elevation 193 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| WILCOX | 4,871 ft | -4,678 ft |
| AUSTIN CHALK | 12,351 ft | -12,158 ft |
| EAGLE FORD - H2S (Eagle Ford) | 12,382 ft | -12,189 ft |
| COOK MOUNTAIN | — | — |
| EDWARDS - H2S (Edwards) | — | — |
| FRIO - DISPOSAL (Frio) | — | — |
| HOCKLEY - DISPOSAL | — | — |
| JACKSON-YEGUA - DISPOSAL (Jackson) | — | — |
| QUEEN CITY | — | — |
| SLIGO - H2S (Sligo) | — | — |
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 ↗
Offset Well Tops (nearest 8 wells with tops)
What nearby completed wells reported.
Nearest wells within 10 mi (surface locations). Click wells to select them, then open the cross-section to compare tops side by side (max 6 wells per section, including this one).
Perforations (1)
| Interval | Type |
|---|---|
| 12,726–17,777 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 9.625" | 6,429 ft | 2,916 sx |
| 5.5" | 17,842 ft | 3,981 sx |
Permit History (1)
Applications (1)
Records & Logs
2 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.
Well Details
- Well Number
- 51H
- Max Depth
- 25,000 ft
- Drill Type
- Horizontal
- County
- LIVE OAK
- District
- 2
- Operator
- MARATHON OIL EF LLC
- Completed
- 2022-01-26
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
- 3,173