42-297-35783
PRODUCING HorizontalTHREE SISTERS 01
LIVE OAK County · District 2 · MARATHON OIL EF LLC · SUGARKANE (EAGLE FORD)
Permits
2
Max Depth
25,000 ft
First Permit
2015-09-18
Latest Activity
2015-09-18
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2017-09-20
Shut-In
—
Plugged
—
P-5 Org Status: Active
EWA / Permit operator mismatch
Scheduling: MARATHON OIL EF LLC ≠ Permit: PIONEER NATURAL RES. USA, INC.
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
2016-01
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 (10) Elevation 218 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| FRIO - DISPOSAL (Frio) | 235 ft | -17 ft |
| HOCKLEY - DISPOSAL | 740 ft | -522 ft |
| JACKSON-YEGUA - DISPOSAL (Jackson) | 1,459 ft | -1,241 ft |
| COOK MOUNTAIN | 2,477 ft | -2,259 ft |
| QUEEN CITY | 3,764 ft | -3,546 ft |
| WILCOX | 5,081 ft | -4,863 ft |
| AUSTIN CHALK | 12,258 ft | -12,040 ft |
| EAGLE FORD - H2S (Eagle Ford) | 12,470 ft | -12,252 ft |
| EDWARDS - H2S (Edwards) | — | — |
| 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 ↗
Perforations (1)
| Interval | Type |
|---|---|
| 12,980–22,402 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 10.75" | 6,474 ft | 3,520 sx |
| 9.625" | 6,474 ft | 3,520 sx |
| 5.5" | 22,635 ft | 3,660 sx |
Permit History (2)
Applications (2)
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
- 37H
- Max Depth
- 25,000 ft
- Drill Type
- Horizontal
- County
- LIVE OAK
- District
- 2
- Operator
- MARATHON OIL EF LLC
- Completed
- 2017-09-20
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