Permits
10
Max Depth
8,200 ft
First Permit
1987-06-23
Latest Activity
2015-02-10
Lifespan
28 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
Lease Production
Production is reported at the lease level. View production data, decline curves, and history on the lease page.
Formation Tops (10) Elevation 58 ft
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| LARGARTO (Lagarto) | 1,500 ft | -1,442 ft |
| OAKVILLE | 2,750 ft | -2,692 ft |
| CATAHOULA (MIOCENE) (Catahoula) | 3,300 ft | -3,242 ft |
| ANAHUAC (MIOCENE) (Anahuac) | 4,100 ft | -4,042 ft |
| ANAHUAC(MIOCENE) (Anahuac) | 4,100 ft | -4,042 ft |
| FRIO-GRETA (OLIGOCENE) (Frio) | 4,365 ft | -4,307 ft |
| MIDDLE FRIO (SINTON) (Frio) | 5,000 ft | -4,942 ft |
| LOWER FRIO (OLIGOCENE) (Frio) | 5,880 ft | -5,822 ft |
| FRIO | 7,850 ft | -7,792 ft |
| NO CHANGE | — | — |
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 (8)
| Interval | Type |
|---|---|
| 5,891–5,894 ft | Perforated |
| 5,927–5,932 ft | Perforated |
| 6,460–6,467 ft | Perforated |
| 6,548–6,551 ft | Perforated |
| 6,553–6,557 ft | Perforated |
| 6,602–6,606 ft | Perforated |
| 7,490–7,498 ft | Perforated |
| 7,518–7,524 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 9.625" | 1,512 ft | 800 sx |
| 9.625" | 1,516 ft | 800 sx |
| 5.5" | 7,846 ft | 1,830 sx |
Permit History (10)
CLEMENT HEARD · 7,850 ft
2015-02-10
TOM O'CONNOR (5800 SD) FLD. UNIT · 7,850 ft
2012-09-26
CLEMENT HEARD · 7,850 ft
2011-10-06
Spud 2011-04-20
CLEMENT HEARD · 7,850 ft
2009-11-13
CLEMENT HEARD · 7,850 ft
2009-11-13
Spud 2010-02-22
CLEMENT HEARD · 7,850 ft
2009-11-13
HEARD, CLEMENT · 7,850 ft
2002-09-27
HEARD, CLEMENT · 7,850 ft
1992-01-24
Spud 1992-01-02
HEARD, CLEMENT · 7,850 ft
1987-06-23
HEARD, CLEMENT · 8,200 ft
1987-06-23
Applications (10)
Records & Logs
15 completion filings on record · 8 with log images at RRC.
+9 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
- 31
- Max Depth
- 8,200 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