42-123-32255
PRODUCING HorizontalFRIEDRICHS GAS UNIT
DE WITT County · District 2 · MARATHON OIL EF LLC · FLINTSTONE (CRETACEOUS CHALK)
Permits
2
Max Depth
17,500 ft
First Permit
2008-09-29
Latest Activity
2008-09-29
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2009-05-26
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
2009-05
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 (4) Elevation 361 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| AUSTIN CHALK | 13,270 ft | -12,909 ft |
| EAGLE FORD | 13,710 ft | -13,349 ft |
| BUDAH | 13,945 ft | -13,584 ft |
| EDWARDS | 14,075 ft | -13,714 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 |
|---|---|
| 15,500–16,654 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 9.625" | 2,510 ft | 945 sx |
| 4.5" | 13,060 ft | 270 sx |
| 7" | 13,863 ft | 195 sx |
Permit History (2)
Applications (2)
Records & Logs
3 completion filings 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
- 1
- Max Depth
- 17,500 ft
- Drill Type
- Horizontal
- County
- DE WITT
- District
- 2
- Operator
- MARATHON OIL EF LLC
- Completed
- 2009-05-26
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
- 3,175