42-105-37842
PRODUCINGBLACK HALLIE 4
CROCKETT County · District 7 · LONGFELLOW ENERGY LP · JM W. (STRAWN)
Permits
1
Max Depth
11,500 ft
First Permit
1997-08-21
Latest Activity
1997-08-21
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
1997-10-30
Shut-In
—
Plugged
—
P-5 Org Status: Active
EWA / Permit operator mismatch
Scheduling: LONGFELLOW ENERGY LP ≠ Permit: SONAT EXPLORATION CO. - MIDLAND
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
1997-10
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 (4) Elevation 1,924 ft
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| CLFK | 2,520 ft | -596 ft |
| CANYON | 4,170 ft | -2,246 ft |
| PENN (Pennsylvanian) | 7,907 ft | -5,983 ft |
| STRAWN | 10,900 ft | -8,976 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 |
|---|---|
| 10,902–11,082 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 1,260 ft | 900 sx |
| 9.625" | 6,212 ft | 2,050 sx |
| 5.5" | 11,325 ft | 275 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
- 1
- Max Depth
- 11,500 ft
- Drill Type
- Vertical
- County
- CROCKETT
- District
- 7
- Operator
- LONGFELLOW ENERGY LP
- Completed
- 1997-10-30
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