42-371-38196
PRODUCINGALLISON
PECOS County · District 8 · LONGFELLOW ENERGY LP · PINON (OVERTHRUST)
Permits
1
Max Depth
12,000 ft
First Permit
2008-02-13
Latest Activity
2008-02-13
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2008-06-29
Shut-In
—
Plugged
—
P-5 Org Status: Active
EWA / Permit operator mismatch
Scheduling: LONGFELLOW ENERGY LP ≠ Permit: SANDRIDGE ENERGY, INC.
Resolved via: scheduling → 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
2008-06
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 (6) Elevation 4,213 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| WOLFCAMP | 3,226 ft | +987 ft |
| TESNUS | 6,326 ft | -2,113 ft |
| TESNUS LM | 7,752 ft | -3,539 ft |
| UP-RIGHT 2ND CAB | 8,418 ft | -4,205 ft |
| WOODS HOLLOW LIMESTONE MARKER | 9,012 ft | -4,799 ft |
| OVER-TURNED 2ND CAB | 9,129 ft | -4,916 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 (4)
| Interval | Type |
|---|---|
| 4,170–4,208 ft | Perforated |
| 4,720–4,740 ft | Perforated |
| 9,020–9,060 ft | Perforated |
| 9,156–9,366 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 9.625" | 1,450 ft | 930 sx |
| 7" | 7,895 ft | 805 sx |
Permit History (1)
Applications (1)
Records & Logs
2 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
- 23
- Max Depth
- 12,000 ft
- Drill Type
- Vertical
- County
- PECOS
- District
- 8
- Operator
- LONGFELLOW ENERGY LP
- Completed
- 2008-06-29
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