42-371-37920
SHUT INALLISON
PECOS County · District 8 · LONGFELLOW ENERGY LP · ALLISON RANCH (WOLFCAMP)
Permits
1
Max Depth
12,000 ft
First Permit
2007-04-30
Latest Activity
2007-04-30
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2020-12-07
Shut-In
—
Plugged
—
P-5 Org Status: Active
EWA / Production operator mismatch
Scheduling: LONGFELLOW ENERGY LP ≠ Production: OCCIDENTAL W TX OVERTHRUST, INC. (reported 2020-05)
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
2008-07
Last Production
2026-07
Injection / Disposal
PECOS County disposal market →Permitted Volume
1,000 bbl/d
Max Pressure
1,790 psi
Injection Interval
3,580–4,280 ft
Injected (12mo)
—
Monthly injected volume (bbl, from H-10 filings through 2025-11-01)
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 4,539 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| UPPER WOLFCAMP LIME (Wolfcamp) | 3,558 ft | +981 ft |
| UPPER WOLFCAMP SAND (Wolfcamp) | 4,041 ft | +498 ft |
| TESNUS | 6,034 ft | -1,495 ft |
| CABALLOS | 9,136 ft | -4,597 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 (3)
| Interval | Type |
|---|---|
| 3,580–3,842 ft | Perforated |
| 3,580–4,280 ft | Perforated |
| 4,064–4,254 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 9.625" | 1,730 ft | 1,440 sx |
| 7" | 7,290 ft | 860 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
- 4709
- Max Depth
- 12,000 ft
- Drill Type
- Vertical
- County
- PECOS
- District
- 8
- Operator
- LONGFELLOW ENERGY LP
- Completed
- 2020-12-07
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