42-183-30972
Final CompletionLATHROP F.K. GAS UNIT
GREGG County · District 6 · TANOS EXPLORATION LLC · WILLOW SPRINGS (COTTON VALLEY W)
Permits
3
Max Depth
11,300 ft
First Permit
1992-10-08
Latest Activity
2011-09-23
Lifespan
19 yrs
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1993-04-13
Shut-In
—
Plugged
—
EWA / Production operator mismatch
Scheduling: TANOS EXPLORATION LLC ≠ Production: EQV OPERATING LLC (reported 2026-04)
Resolved via: production → EQV OPERATING LLC
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
1993-04
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 (3) Elevation 383 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| TRAVIS PEAK | 7,565 ft | -7,182 ft |
| COTTON VALLEY-TAYLOR (Cotton Valley) | 10,362 ft | -9,979 ft |
| BOSSIER SHALE (Bossier) | 10,652 ft | -10,269 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 (6)
| Interval | Type |
|---|---|
| 7,700–7,714 ft | Perforated |
| 10,429–10,464 ft | Perforated |
| 10,473–10,488 ft | Perforated |
| 10,562–10,587 ft | Perforated |
| 10,592–10,630 ft | Perforated |
| 10,645–10,650 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 8.625" | 1,127 ft | 625 sx |
| 5.5" | 10,770 ft | 2,315 sx |
Permit History (3)
Applications (3)
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 can't be deep-linked — clicking copies the API for you to paste.
No GPS coordinates yet
Well Details
- Well Number
- 4
- Max Depth
- 11,300 ft
- Drill Type
- Vertical
- County
- GREGG
- District
- 6
- Operator
- TANOS EXPLORATION LLC
- Completed
- 1993-04-13
Operator
- Name
- TANOS EXPL, LLC
- Location
- HOUSTON
- P-5 Status
- Delinquent (filed 2013-05-10)
- Cum Oil (all leases)
- 62,019 bbl
- Cum Gas (all leases)
- 30,898,746 mcf
- Total Permits
- 35