Permits
8
Max Depth
7,810 ft
First Permit
1991-01-10
Latest Activity
2016-04-27
Lifespan
25 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
6,000 bbl/d
Max Pressure
2,200 psi
Injection Interval
4,406–4,496 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 (24) Elevation 57 ft
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| LARGARTO (Lagarto) | 1,500 ft | -1,443 ft |
| SURFACE SAND & CLAY | 1,500 ft | -1,443 ft |
| LARGARTO (Lagarto) | 2,750 ft | -2,693 ft |
| OAKVILLE | 2,750 ft | -2,693 ft |
| CATAHOULA (MIOCENE) (Catahoula) | 3,300 ft | -3,243 ft |
| CATAHOULA(MIOCENE) (Catahoula) | 3,300 ft | -3,243 ft |
| OAKVILLE | 3,300 ft | -3,243 ft |
| CATAHOULA | 3,584 ft | -3,527 ft |
| ANAHUAC (MIOCENE) (Anahuac) | 4,100 ft | -4,043 ft |
| ANAHUAC(MIOCENE) (Anahuac) | 4,100 ft | -4,043 ft |
| CATAHOULA (MIOCENE) (Catahoula) | 4,100 ft | -4,043 ft |
| FRIO | 4,341 ft | -4,284 ft |
| ANAHUAC (MIOCENE) (Anahuac) | 4,365 ft | -4,308 ft |
| FRIO-GRETA (OLIGOCENE) (Frio) | 4,365 ft | -4,308 ft |
| FRIO-GRETA(OLIGOCENE) (Frio) | 4,365 ft | -4,308 ft |
| FRIO-GRET (OLIGOCENE) (Frio) | 4,365 ft | -4,308 ft |
| FRIO-GRETA (OLIG) (Frio) | 4,785 ft | -4,728 ft |
| MIDDLE FRIO (SINTON) (Frio) | 5,000 ft | -4,943 ft |
| MIDDLE FRIO(SINTON) (Frio) | 5,000 ft | -4,943 ft |
| MIDDLE FRIO (SINTON) (Frio) | 5,400 ft | -5,343 ft |
| LOWER FRIO (OLIGOCENE) (Frio) | 5,880 ft | -5,823 ft |
| LOWER FRIO (OLIG) (Frio) | 7,810 ft | -7,753 ft |
| JACKSON/YEGUA (Jackson) | — | — |
| 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 (9)
| Interval | Type |
|---|---|
| 4,406–4,412 ft | Perforated |
| 5,332–5,338 ft | Perforated |
| 5,440–5,446 ft | Perforated |
| 5,535–5,541 ft | Perforated |
| 5,607–5,616 ft | Perforated |
| 5,735–5,751 ft | Perforated |
| 6,550–6,557 ft | Perforated |
| 6,569–6,576 ft | Perforated |
| 6,620–6,624 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 9.625" | 1,023 ft | 515 sx |
| 5.5" | 7,801 ft | 1,730 sx |
| 5.5" | 7,900 ft | 1,730 sx |
Permit History (8)
CLEMENT HEARD · 7,810 ft
2016-04-27
Spud 2016-05-19
TOM O'CONNOR(5600 FOOT SAND)UNIT · 7,810 ft
2009-08-07
HEARD, CLEMENT · 7,810 ft
2007-03-15
Spud 2007-03-12
HEARD, CLEMENT · 7,810 ft
2003-05-08
HEARD, CLEMENT · 7,810 ft
2003-05-08
HEARD, CLEMENT · 7,810 ft
1998-10-26
Spud 1998-11-18
CLEMENT HEARD · 7,810 ft
1992-03-26
Spud 1992-03-26
HEARD, CLEMENT · 7,810 ft
1991-01-10
Spud 1991-02-06
Applications (8)
Records & Logs
14 completion filings on record · 8 with log images at RRC.
+8 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
- 21
- Max Depth
- 7,810 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