Permits
1
Max Depth
4,425 ft
First Permit
1984-04-13
Latest Activity
1984-04-13
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
1984-12-29
Shut-In
—
Plugged
—
P-5 Org Status: Delinquent
EWA / Permit operator mismatch
Scheduling: SANDSTONE SERVICES LLC ≠ Permit: LONGHORN RESOURCES, INC.
Resolved via: scheduling → SANDSTONE SERVICES 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 (4) Elevation 1,576 ft
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| UPPER CADDO (Caddo) | 3,160 ft | -1,584 ft |
| LOWER CADDO (Caddo) | 3,630 ft | -2,054 ft |
| DUFFER | 3,828 ft | -2,252 ft |
| ELLENBURGER | 4,010 ft | -2,434 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 (3)
| Interval | Type |
|---|---|
| 3,161–3,164 ft | Perforated |
| 3,170–3,176 ft | Perforated |
| 3,192–3,196 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 8.625" | 163 ft | 130 sx |
| 4.5" | 3,952 ft | 300 sx |
Permit History (1)
Applications (2)
Records & Logs
2 completion filings on record.
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
- 1A
- Max Depth
- 4,425 ft
- Drill Type
- Vertical
- County
- CALLAHAN
- District
- 7
- Operator
- SANDSTONE SERVICES LLC
- Completed
- 1984-12-29
Operator
- Location
- GRAHAM
- P-5 Status
- Delinquent (filed 2024-07-03)
- Cum Oil (all leases)
- 9,637 bbl
- Cum Gas (all leases)
- 453 mcf
- Activities
- OPRS/G, OPRS/O
- Total Permits
- 3