42-391-31588
Final CompletionHEARD CLEMENT
REFUGIO County · District 2 · HILCORP ENERGY COMPANY · TOM OCONNOR (7500)
Permits
9
Max Depth
8,000 ft
First Permit
1982-09-22
Latest Activity
2009-08-05
Lifespan
27 yrs
Regulatory Status
Schedule
OFF SCHEDULE
Completion
2002-04-05
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
37,498 bbl/d
Max Pressure
2,190 psi
Injection Interval
4,380–5,600 ft
Injected (12mo)
609,205 bbl
Monthly injected volume (bbl, from H-10 filings through 2025-11-01)
Lease Production
Production is reported at the lease level. View production data, decline curves, and history on the lease page.
Formation Tops (15) Elevation 59 ft
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| LARGARTO (Lagarto) | 1,500 ft | -1,441 ft |
| LARGARTO (Lagarto) | 2,750 ft | -2,691 ft |
| OAKVILLE | 2,750 ft | -2,691 ft |
| CATHOULAA (MIOCENE) | 3,300 ft | -3,241 ft |
| CATAHOULA | 3,570 ft | -3,511 ft |
| ANAHUAC (MIOCENE) (Anahuac) | 4,100 ft | -4,041 ft |
| OAKVILLE | 4,100 ft | -4,041 ft |
| FRIO | 4,325 ft | -4,266 ft |
| ANAHUAC | 4,365 ft | -4,306 ft |
| FRIO-GRETA (OLIGOCENE) (Frio) | 4,365 ft | -4,306 ft |
| MIDDLE FRIO (SINTON) (Frio) | 5,000 ft | -4,941 ft |
| LOWER FRIO (OLIGOCENE) (Frio) | 5,880 ft | -5,821 ft |
| FRIO | 7,808 ft | -7,749 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 (8)
| Interval | Type |
|---|---|
| 5,538–5,556 ft | Perforated |
| 5,704–5,711 ft | Perforated |
| 5,882–5,886 ft | Perforated |
| 5,890–5,897 ft | Perforated |
| 6,136–6,138 ft | Perforated |
| 6,194–6,200 ft | Perforated |
| 6,256–6,260 ft | Perforated |
| 7,408–7,416 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 10.75" | 1,505 ft | 770 sx |
| 2.875" | 5,864 ft | — |
| 7" | 7,803 ft | 1,860 sx |
Permit History (9)
TOM O'CONNOR(5600 FOOT SAND)UNIT · 7,808 ft
2009-08-05
Spud 2010-02-25
CLEMENT HEARD · 7,808 ft
2009-02-25
Spud 2009-02-19
HEARD, CLEMENT · 7,808 ft
2007-03-15
Spud 2007-03-01
HEARD, CLEMENT · 7,808 ft
2002-07-03
Spud 2003-09-24
HEARD, CLEMENT · 7,808 ft
2002-07-03
HEARD, CLEMENT · 7,808 ft
2001-08-03
HEARD, CLEMENT · 7,808 ft
2001-08-03
Spud 2002-03-08
TOMO'CONNOR(5800'SAND)FIELD UNIT · 7,808 ft
1989-03-28
HEARD, CLEMENT · 8,000 ft
1982-09-22
Applications (9)
Records & Logs
18 completion filings on record · 7 with log images at RRC.
+12 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
- W524B
- Max Depth
- 8,000 ft
- Drill Type
- Vertical
- County
- REFUGIO
- District
- 2
- Operator
- HILCORP ENERGY COMPANY
- Completed
- 2002-04-05
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
- 3,436