42-371-36400
PRODUCING DirectionalSidetrackWEST RANCH
PECOS County · District 8 · LONGFELLOW ENERGY LP · PINON (OVERTHRUST)
Permits
3
Max Depth
7,500 ft
First Permit
1993-07-07
Latest Activity
1993-07-07
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
1993-11-06
Shut-In
—
Plugged
—
P-5 Org Status: Active
EWA / Permit operator mismatch
Scheduling: LONGFELLOW ENERGY LP ≠ Permit: FINA OIL & CHEMICAL COMPANY
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
1993-11
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 3,903 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| LEONARD | 520 ft | +3,383 ft |
| TOP OF THRUST | 2,290 ft | +1,613 ft |
| TESNUS SHALE | 4,460 ft | -557 ft |
| TESNUS CARBONATE | 5,620 ft | -1,717 ft |
| CABALLOS | 6,806 ft | -2,903 ft |
| MARAVILLAS | 7,100 ft | -3,197 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 |
|---|---|
| 6,833–6,964 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 1,010 ft | 830 sx |
| 9.625" | 3,004 ft | 600 sx |
| 5.5" | 7,197 ft | 565 sx |
Permit History (3)
Applications (3)
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
- 4101
- Max Depth
- 7,500 ft
- Drill Type
- Directional, Sidetrack
- County
- PECOS
- District
- 8
- Operator
- LONGFELLOW ENERGY LP
- Completed
- 1993-11-06
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