42-255-38120
PRODUCING HorizontalRIDLEY 01
KARNES County · District 2 · MARATHON OIL EF LLC · SUGARKANE (EAGLE FORD)
Permits
1
Max Depth
22,000 ft
First Permit
2024-07-31
Latest Activity
2024-07-31
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2025-06-13
Shut-In
—
Plugged
—
P-5 Org Status: Active
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
2012-02
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 231 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| QUEEN CITY | 134 ft | +97 ft |
| REKLAW | 1,235 ft | -1,004 ft |
| CARRIZO | 1,325 ft | -1,094 ft |
| WILCOX - DISPOSAL (Wilcox) | 1,425 ft | -1,194 ft |
| AUSTIN CHALK - H2S (Austin Chalk) | 11,950 ft | -11,719 ft |
| EAGLE FORD - H2S (Eagle Ford) | 12,935 ft | -12,704 ft |
| EDWARDS - H2S (Edwards) | — | — |
| FRIO - DISPOSAL (Frio) | — | — |
| SLIGO - H2S (Sligo) | — | — |
| YEGUA - DISPOSAL (Yegua) | — | — |
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 |
|---|---|
| 13,085–19,517 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 9.625" | 5,927 ft | 1,863 sx |
| 5.5" | 19,502 ft | 3,879 sx |
Permit History (1)
Applications (1)
Records & Logs
1 completion filing 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.
Well Details
- Well Number
- 13H
- Max Depth
- 22,000 ft
- Drill Type
- Horizontal
- County
- KARNES
- District
- 2
- Operator
- MARATHON OIL EF LLC
- Completed
- 2025-06-13
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