42-391-30047
Final CompletionMRS. FANNIE V. W. HEARD
REFUGIO County · District 2 · HILCORP ENERGY COMPANY
Permits
4
Max Depth
4,500 ft
First Permit
1990-11-05
Latest Activity
2010-05-11
Lifespan
20 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 (13) Elevation 55 ft
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| LARGARTO (Lagarto) | 1,500 ft | -1,445 ft |
| SURFACE SAND CLAY | 1,500 ft | -1,445 ft |
| LARGARTO (Lagarto) | 2,750 ft | -2,695 ft |
| OAKVILLE | 2,750 ft | -2,695 ft |
| CATAHOULA (MIOCENE) (Catahoula) | 3,300 ft | -3,245 ft |
| OAKVILLE | 3,300 ft | -3,245 ft |
| ANAHUAC (MIOCENE) (Anahuac) | 4,100 ft | -4,045 ft |
| CATAHOULA (MIOCENE) (Catahoula) | 4,100 ft | -4,045 ft |
| ANAHUAC (MIOCENE) (Anahuac) | 4,365 ft | -4,310 ft |
| FRIO-GRETA (OLIGOCENE) (Frio) | 4,365 ft | -4,310 ft |
| FRIO-GRETA (OLIG) (Frio) | 4,500 ft | -4,445 ft |
| MIDDLE FRIO (SINTON) (Frio) | 5,000 ft | -4,945 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 (4)
| Interval | Type |
|---|---|
| 2,226–2,238 ft | Perforated |
| 3,472–3,476 ft | Perforated |
| 3,911–3,918 ft | Perforated |
| 4,390–4,394 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 8.625" | 1,227 ft | 450 sx |
| 5.5" | 4,473 ft | 650 sx |
| 5.5" | 4,473 ft | 650 sx |
Permit History (4)
MRS. FANNIE V. W. HEARD · 4,500 ft
2010-05-11
Spud 2010-05-12
HEARD, FANNIE V. W., MRS. · 4,500 ft
2006-10-27
HEARD, MRS. FANNIE V. W. · 4,500 ft
1999-11-22
Spud 2000-01-27
HEARD, FANNIE V. W. MRS. · 4,500 ft
1990-11-05
Spud 1990-12-06
Applications (4)
Records & Logs
7 completion filings on record · 3 with log images at RRC.
+1 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
- 87
- Max Depth
- 4,500 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