Permits
6
Max Depth
6,500 ft
First Permit
1988-05-27
Latest Activity
2009-10-01
Lifespan
21 yrs
Regulatory Status
Schedule
OFF SCHEDULE
Completion
—
Shut-In
—
Plugged
—
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
Injection / Disposal
Permitted Volume
5,000 bbl/d
Max Pressure
1,500 psi
Injection Interval
3,354–3,362 ft
Injected (12mo)
—
Lease Production
Production is reported at the lease level. View production data, decline curves, and history on the lease page.
Formation Tops (7) Elevation 63 ft
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| LARGARTO (Lagarto) | 1,500 ft | -1,437 ft |
| OAKVILLE | 2,750 ft | -2,687 ft |
| CATAHOULA (MIOCENE) (Catahoula) | 3,300 ft | -3,237 ft |
| ANAHUAC (MIOCENE) (Anahuac) | 4,100 ft | -4,037 ft |
| FRIO-GRETA (OLIGOCEN) (Frio) | 4,365 ft | -4,302 ft |
| MIDDLE FRIO (SINTON) (Frio) | 5,000 ft | -4,937 ft |
| LOWER FRIO (OLIGOCENE) (Frio) | 5,880 ft | -5,817 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 |
|---|---|
| 2,250–2,256 ft | Perforated |
| 4,175–4,187 ft | Perforated |
| ?–4,414 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 9.625" | 1,050 ft | 325 sx |
| 5.5" | 5,273 ft | 830 sx |
Permit History (6)
CLAUDE E. HEARD ET AL · 6,500 ft
2009-10-01
HEARD, CLAUDE E., ET AL · 6,500 ft
2007-06-28
Spud 2007-04-20
HEARD, CLAUDE E. ET AL · 6,500 ft
2005-02-01
HEARD, CLAUDE E. , ET AL · 6,500 ft
1991-08-19
HEARD, CLAUDE E. , ET AL · 6,500 ft
1991-08-19
Spud 1992-08-13
HEARD, CLAUDE E. ET AL · 6,500 ft
1988-05-27
Applications (6)
Records & Logs
5 completion filings on record · 2 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
- 28
- Max Depth
- 6,500 ft
- Drill Type
- Vertical
- County
- REFUGIO
- District
- 2
- Operator
- HILCORP ENERGY COMPANY
Operator
- Name
- HILCORP ENGY CO
- Location
- HOUSTON
- P-5 Status
- X (filed 2026-03-27)
- Cum Oil (all leases)
- 75,699,281 bbl
- Cum Gas (all leases)
- 1,779,939,645 mcf
- Activities
- CSGD/G, CSGD/P, G/PUR, GTHS/C, GTHS/G, GTHS/O, OPRS/G, OPRS/O
- Total Permits
- 3,428