42-371-37977
PRODUCINGLONGFELLOW STATE A
PECOS County · District 8 · LONGFELLOW ENERGY LP · ALLISON RANCH (WOLFCAMP)
Permits
1
Max Depth
9,000 ft
First Permit
2007-07-03
Latest Activity
2007-07-03
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2017-11-27
Shut-In
—
Plugged
—
P-5 Org Status: Active
EWA / Permit operator mismatch
Scheduling: LONGFELLOW ENERGY LP ≠ Permit: SANDRIDGE ENERGY, INC.
Resolved via: production → LONGFELLOW ENERGY, LP
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
2007-10
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 (14) Elevation 3,933 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| UPPER WOLFCAMP (Wolfcamp) | 1,360 ft | +2,573 ft |
| MIDDLE WOLFCAMP (Wolfcamp) | 2,360 ft | +1,573 ft |
| CABALLOS II | 3,433 ft | +500 ft |
| CABALLOS A I | 5,105 ft | -1,172 ft |
| BONE SPRINGS (Bone Spring) | — | — |
| CABBALLOS | — | — |
| CANYON | — | — |
| DELAWARE | — | — |
| MONTOYA | — | — |
| MULTIPAY - UNIDENTIFIED | — | — |
| STRAWN | — | — |
| WADDELL | — | — |
| WOLFCAMP | — | — |
| ZONE - UNIDENTIFIED | — | — |
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 (3)
| Interval | Type |
|---|---|
| 2,898–2,977 ft | Perforated |
| 3,456–3,604 ft | Perforated |
| 5,111–5,252 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 9.625" | 1,107 ft | 600 sx |
| 5.5" | 5,582 ft | 1,030 sx |
Permit History (1)
Applications (1)
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 and the UL library can't be deep-linked — clicking copies the API for you to paste.
No GPS coordinates yet
Well Details
- Well Number
- 905
- Max Depth
- 9,000 ft
- Drill Type
- Vertical
- County
- PECOS
- District
- 8
- Operator
- LONGFELLOW ENERGY LP
- Completed
- 2017-11-27
Operator
- Name
- LONGFELLOW ENGY, LP
- Location
- DALLAS
- P-5 Status
- X (filed 2026-03-26)
- Cum Oil (all leases)
- 402,477 bbl
- Cum Gas (all leases)
- 35,171,464 mcf
- Activities
- GTHS/G, OPRS/G, OPRS/O
- Total Permits
- 36