42-033-31528
PRODUCINGBORDEN (SPRABERRY) UNIT
BORDEN County · District 8 · ESTANCIA OIL & GAS LLC · REO (JO MILL LOWER)
Permits
1
Max Depth
7,700 ft
First Permit
1992-03-09
Latest Activity
1992-03-09
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
1992-04-17
Shut-In
—
Plugged
—
P-5 Org Status: Active
EWA / Permit operator mismatch
Scheduling: ESTANCIA OIL & GAS LLC ≠ Permit: GLG ENERGY, L.P.
Resolved via: production → ESTANCIA OIL & GAS, 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 (6) Elevation 2,955 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| RUSTLER | 1,644 ft | +1,311 ft |
| SAN ANDRES | 3,453 ft | -498 ft |
| CLEAR FORK | 5,497 ft | -2,542 ft |
| UPPER SPRABERRY (Spraberry) | 6,391 ft | -3,436 ft |
| LOWER SPRABERRY (Spraberry) | 6,980 ft | -4,025 ft |
| JO MILL | 7,349 ft | -4,394 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 (4)
| Interval | Type |
|---|---|
| 7,398–7,402 ft | Perforated |
| 7,408–7,410 ft | Perforated |
| 7,416–7,423 ft | Perforated |
| 7,430–7,444 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 374 ft | 420 sx |
| 8.625" | 3,498 ft | 870 sx |
| 5.5" | 7,550 ft | 790 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 can't be deep-linked — clicking copies the API for you to paste.
No GPS coordinates yet
Well Details
- Well Number
- 301
- Max Depth
- 7,700 ft
- Drill Type
- Vertical
- County
- BORDEN
- District
- 8
- Operator
- ESTANCIA OIL & GAS LLC
- Completed
- 1992-04-17
Operator
- Location
- AUSTIN
- P-5 Status
- Active (filed 2025-09-18)
- Cum Oil (all leases)
- 2,138,764 bbl
- Cum Gas (all leases)
- — mcf
- Activities
- OPRS/O
- Total Permits
- 37