42-371-35130
YELLYSON STATE
PECOS County · District 8 · LAST MILE PRODUCTION LLC · TOMLAW (CLEAR FORK LOWER)
Permits
2
Max Depth
3,600 ft
First Permit
1984-09-07
Latest Activity
2018-12-31
Lifespan
34 yrs
Regulatory Status
Schedule
OFF SCHEDULE
Completion
2018-08-10
Shut-In
—
Plugged
2021-12-23
EWA / Permit operator mismatch
Scheduling: LAST MILE PRODUCTION LLC ≠ Permit: ISKANDIA ENERGY OPERATING, INC.
Resolved via: scheduling → LAST MILE PRODUCTION 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
1993-01
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 (14) Elevation 2,421 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| YATES | 970 ft | +1,451 ft |
| QUEEN | 1,738 ft | +683 ft |
| SAN ANDRES | 2,165 ft | +256 ft |
| GLORIETA | 2,580 ft | -159 ft |
| GLORIETTA (Glorieta) | 2,580 ft | -159 ft |
| CLEARFORK (Clear Fork) | 2,906 ft | -485 ft |
| LOWER CLEARFORK (Clear Fork) | 3,260 ft | -839 ft |
| GRAYBURG | — | — |
| O'BRIEN | — | — |
| RUSTLER | — | — |
| SEVEN RIVERS | — | — |
| SOMA | — | — |
| TOBORG | — | — |
| TUBB | — | — |
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 ↗
Offset Well Tops (nearest 8 wells with tops)
What nearby completed wells reported.
Nearest wells within 10 mi (surface locations). Click wells to select them, then open the cross-section to compare tops side by side (max 6 wells per section, including this one).
Perforations (4)
| Interval | Type |
|---|---|
| 2,252–2,930 ft | Perforated |
| 2,598–2,930 ft | Perforated |
| 3,352–3,389 ft | Perforated |
| 3,389–3,352 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 8.625" | 656 ft | 325 sx |
| 5.5" | 3,487 ft | 650 sx |
| 5.5" | 3,493 ft | 650 sx |
Permit History (2)
Applications (2)
Records & Logs
4 completion filings on record.
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.
Well Details
- Well Number
- 4
- Max Depth
- 3,600 ft
- Drill Type
- Vertical
- County
- PECOS
- District
- 8
- Operator
- LAST MILE PRODUCTION LLC
- Completed
- 2018-08-10
Operator
- Location
- SOUTHLAKE
- P-5 Status
- Delinquent (filed 2025-02-18)
- Cum Oil (all leases)
- 57,339 bbl
- Cum Gas (all leases)
- 150,096 mcf
- Activities
- OPRS/G, OPRS/O