42-391-01107
Final CompletionHYNES MINERAL TRUST
REFUGIO County · District 2 · CUMMINS & WALKER OIL CO. INC. · HYNES RANCH (7250)
Permits
4
Max Depth
7,553 ft
First Permit
1978-01-24
Latest Activity
2009-10-08
Lifespan
32 yrs
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1977-03-27
Shut-In
—
Plugged
1984-08-28
EWA / Production operator mismatch
Scheduling: CUMMINS & WALKER OIL CO. INC. ≠ Production: HILCORP ENERGY COMPANY (reported 2019-05)
EWA / Permit operator mismatch
Scheduling: CUMMINS & WALKER OIL CO. INC. ≠ Permit: HILCORP ENERGY COMPANY
Resolved via: scheduling → CUMMINS & WALKER OIL CO. INC.
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
2009-12
Last Production
2026-07
Operator History
originally filed by HILCORP ENERGY COMPANY — asset transferred
Lease Production
Production is reported at the lease level. View production data, decline curves, and history on the lease page.
Formation Tops (3) Elevation 60 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| CATAHOULA | 3,869 ft | -3,809 ft |
| FRIO | 4,666 ft | -4,606 ft |
| JACKSON/YEGUA (Jackson) | — | — |
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 |
|---|---|
| 6,746–6,751 ft | Perforated |
| 6,836–6,840 ft | Perforated |
| 6,953–6,962 ft | Perforated |
| 7,248–7,254 ft | Perforated |
Casing (6)
| Size | Set Depth | Cement |
|---|---|---|
| 10.75" | 66 ft | 60 sx |
| 10.75" | 66 ft | 60 sx |
| 2.375" | 6,800 ft | — |
| 2.375" | 7,000 ft | — |
| 5.5" | 7,309 ft | 320 sx |
| 5.5" | 7,309 ft | 320 sx |
Permit History (4)
Applications (4)
Records & Logs
9 completion filings on record.
+3 more filings
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
- D 1
- Max Depth
- 7,553 ft
- Drill Type
- Vertical
- County
- REFUGIO
- District
- 2
- Operator
- CUMMINS & WALKER OIL CO. INC.
- Completed
- 1977-03-27
Operator
- Location
- AUSTIN
- P-5 Status
- Active (filed 2026-02-04)
- Cum Oil (all leases)
- 1,531,327 bbl
- Cum Gas (all leases)
- 14,651,789 mcf
- Total Permits
- 365