42-025-33821
PRODUCING HorizontalWERNLI 01
BEE County · District 2 · MARATHON OIL EF LLC · SUGARKANE (EAGLE FORD)
Permits
1
Max Depth
21,000 ft
First Permit
2012-04-02
Latest Activity
2012-04-02
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2012-08-02
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
2012-08
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 299 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| CARRIZO/WILCOX (Carrizo) | 5,628 ft | -5,329 ft |
| MIDWAY | 8,561 ft | -8,262 ft |
| TOP EGFD | 13,248 ft | -12,949 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 |
|---|---|
| 14,285–17,901 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 530 ft | 630 sx |
| 9.625" | 8,902 ft | 555 sx |
| 5.5" | 18,160 ft | 1,920 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.
No GPS coordinates yet
Well Details
- Well Number
- 01H
- Max Depth
- 21,000 ft
- Drill Type
- Horizontal
- County
- BEE
- District
- 2
- Operator
- MARATHON OIL EF LLC
- Completed
- 2012-08-02
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