Permits
6
Max Depth
5,900 ft
First Permit
1983-05-23
Latest Activity
2014-01-16
Lifespan
31 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 (8) Elevation 52 ft
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| LARGARTO (Lagarto) | 1,500 ft | -1,448 ft |
| OAKVILLE | 2,750 ft | -2,698 ft |
| CATAHOULA (MIOCENE) (Catahoula) | 3,300 ft | -3,248 ft |
| ANAHUAC (MIOCENE) (Anahuac) | 4,100 ft | -4,048 ft |
| FRIO-GRETA (OLIGOCENE) (Frio) | 4,365 ft | -4,313 ft |
| MIDDLE FRIO (SINTON) (Frio) | 5,000 ft | -4,948 ft |
| LOWER FRIO (OILGOCENE) (Frio) | 5,880 ft | -5,828 ft |
| LOWER FRIO (OLIGOCENE) (Frio) | 5,880 ft | -5,828 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 (4)
| Interval | Type |
|---|---|
| 5,522–5,527 ft | Perforated |
| 5,635–5,644 ft | Perforated |
| 5,711–5,717 ft | Perforated |
| ?–5,800 ft | Perforated |
Casing (4)
| Size | Set Depth | Cement |
|---|---|---|
| 9.625" | 1,030 ft | 350 sx |
| 9.625" | 1,130 ft | 350 sx |
| 1.5" | 5,497 ft | — |
| 5.5" | 5,898 ft | 500 sx |
Permit History (6)
MRS. FANNIE V. W. HEARD · 5,900 ft
2014-01-16
TOM O'CONNOR (4150 FT. SD.) · 5,900 ft
2009-12-31
HEARD, MRS. FANNIE V. W. · 5,900 ft
2003-11-05
HEARD, FANNIE V. W. MRS. · 5,900 ft
1990-09-25
Spud 1990-10-25
TOM OCONNOR(5800 SAND)FIELD UNIT · 5,900 ft
1987-07-21
HEARD, FANNIE V.W. MRS. · 5,900 ft
1983-05-23
Applications (6)
Records & Logs
9 completion filings on record · 2 with log images at RRC.
+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
- 52
- Max Depth
- 5,900 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