42-391-00725
Final CompletionMRS. FANNIE V. W. HEARD
REFUGIO County · District 2 · HILCORP ENERGY COMPANY
Permits
9
Max Depth
5,980 ft
First Permit
1988-04-29
Latest Activity
2016-12-12
Lifespan
29 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 (22) Elevation 51 ft
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| LARGARTO (Lagarto) | 1,500 ft | -1,449 ft |
| SURFACE SAND CLAY | 1,500 ft | -1,449 ft |
| LAGARTO | 1,748 ft | -1,697 ft |
| OAKVILLE | 2,540 ft | -2,489 ft |
| LARGARTO (Lagarto) | 2,750 ft | -2,699 ft |
| OAKVILLE | 2,750 ft | -2,699 ft |
| CATAHOULA (MIOCENE) (Catahoula) | 3,300 ft | -3,249 ft |
| OAKVILLE | 3,300 ft | -3,249 ft |
| CATAHOULA | 3,528 ft | -3,477 ft |
| ANAHUAC (MIOCENE) (Anahuac) | 4,100 ft | -4,049 ft |
| CATAHOULA | 4,100 ft | -4,049 ft |
| FRIO | 4,305 ft | -4,254 ft |
| FRIO | 4,345 ft | -4,294 ft |
| ANAHUAC (MIOCENE) (Anahuac) | 4,365 ft | -4,314 ft |
| FRIO-GRETA (OLIGOCENE) (Frio) | 4,365 ft | -4,314 ft |
| FRIO-GRETA (OLIG) (Frio) | 4,785 ft | -4,734 ft |
| MIDDLE FRIO (SINTON) (Frio) | 5,000 ft | -4,949 ft |
| MIDDLE FRIO (SINTON) (Frio) | 5,400 ft | -5,349 ft |
| LOWER FRIO (OLIGOCENE) (Frio) | 5,880 ft | -5,829 ft |
| LOWER FRIO (Frio) | 5,980 ft | -5,929 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 (11)
| Interval | Type |
|---|---|
| 2,360–2,366 ft | Perforated |
| 2,643–2,649 ft | Perforated |
| 3,450–3,462 ft | Perforated |
| 3,550–3,562 ft | Perforated |
| 4,030–4,038 ft | Perforated |
| 4,309–4,317 ft | Perforated |
| 4,320–4,327 ft | Perforated |
| 5,488–5,494 ft | Perforated |
| 5,651–5,659 ft | Perforated |
| 5,705–5,709 ft | Perforated |
| ?–5,488 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 10.75" | 1,226 ft | 350 sx |
| 7" | 5,943 ft | 700 sx |
Permit History (9)
MRS. FANNIE V. W. HEARD · 5,980 ft
2016-12-12
Spud 2017-05-05
MRS. FANNIE V. W. HEARD · 5,980 ft
2015-08-24
Spud 2015-08-19
MRS. FANNIE V. W. HEARD · 5,980 ft
2010-09-10
HEARD, FANNIE V.W. MRS. · 5,980 ft
2005-11-21
TOM O'CONNOR 4400 SAND GAS UNIT · 5,980 ft
2001-11-20
Spud 2001-12-13
HEARD, MRS. FANNIE V. W. · 5,980 ft
1999-08-05
Spud 1999-08-04
TOM 0'CONNOR(5800SAND)FIELD UNIT · 5,980 ft
1990-10-24
TOM 0'CONNOR(5800SAND)FIELD UNIT · 5,980 ft
1990-10-24
Spud 1991-03-19
HEARD, FANNIE V. W. MRS. · 5,980 ft
1988-04-29
Applications (9)
Records & Logs
19 completion filings on record · 8 with log images at RRC.
+13 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
- 4G
- Max Depth
- 5,980 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