42-391-31617
Final CompletionHEARD CLEMENT
REFUGIO County · District 2 · HILCORP ENERGY COMPANY · TOM OCONNOR (5900 SAND)
Permits
9
Max Depth
8,000 ft
First Permit
1982-12-31
Latest Activity
2015-09-25
Lifespan
33 yrs
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1983-03-03
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 59 ft
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| LARGARTO (Lagarto) | 1,500 ft | -1,441 ft |
| SURFACE SAND CLAY | 1,500 ft | -1,441 ft |
| LARGARTO (Lagarto) | 2,750 ft | -2,691 ft |
| OAKVILLE | 2,750 ft | -2,691 ft |
| CATAHOULA (MIOCENE) (Catahoula) | 3,300 ft | -3,241 ft |
| OAKVILLE | 3,300 ft | -3,241 ft |
| OAKVILLEE | 3,300 ft | -3,241 ft |
| CATAHOULA | 3,543 ft | -3,484 ft |
| ANAHUAC (MIOCENE) (Anahuac) | 4,100 ft | -4,041 ft |
| CATAHOULA (MIOCENE) (Catahoula) | 4,100 ft | -4,041 ft |
| FRIO | 4,314 ft | -4,255 ft |
| ANAHUAC (MIOCENE) (Anahuac) | 4,365 ft | -4,306 ft |
| ANAHUAC(MIOCENE) (Anahuac) | 4,365 ft | -4,306 ft |
| FRIO-GRETA (OLIGOCENE) (Frio) | 4,365 ft | -4,306 ft |
| FRIO-GRETA (OLIG) (Frio) | 4,785 ft | -4,726 ft |
| MIDDLE FRIO (SINTON) (Frio) | 5,000 ft | -4,941 ft |
| MIDDLE FRIO (SINTON) (Frio) | 5,400 ft | -5,341 ft |
| LOWER FRIO (OLIGOCENE) (Frio) | 5,880 ft | -5,821 ft |
| LOWER FRIO (OLIG) (Frio) | 6,104 ft | -6,045 ft |
| LOWER FRIO(OLIG) (Frio) | 6,104 ft | -6,045 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 (10)
| Interval | Type |
|---|---|
| 4,044–4,056 ft | Perforated |
| 5,220–5,228 ft | Perforated |
| 5,472–5,480 ft | Perforated |
| 5,527–5,537 ft | Perforated |
| 5,648–5,654 ft | Perforated |
| 5,690–5,697 ft | Perforated |
| 5,784–5,794 ft | Perforated |
| 5,796–5,806 ft | Perforated |
| 5,881–5,903 ft | Perforated |
| 5,882–5,891 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 10.75" | 1,545 ft | 770 sx |
| 2.875" | 5,856 ft | — |
| 7" | 6,104 ft | 1,310 sx |
Permit History (9)
CLEMENT HEARD · 6,104 ft
2015-09-25
Spud 2015-09-30
TOM O'CONNOR(5600 FOOT SAND)UNIT · 6,104 ft
2010-07-13
Spud 2010-07-20
TOM O'CONNOR(5600 FOOT SAND)UNIT · 6,104 ft
2009-08-03
Spud 2010-02-26
HEARD, CLEMENT · 6,104 ft
2002-04-15
Spud 2002-03-27
HEARD, CLEMENT · 6,104 ft
2001-02-28
Spud 2001-02-27
HEARD, CLEMENT · 6,104 ft
1999-11-04
Spud 1999-05-28
HEARD, CLEMENT · 6,104 ft
1998-07-20
Spud 1998-07-17
TOM O'CONNOR (5800'SD)FIELD UNIT · 6,100 ft
1988-07-15
HEARD, CLEMENT · 8,000 ft
1982-12-31
Applications (9)
Records & Logs
18 completion filings on record · 8 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
- 26
- Max Depth
- 8,000 ft
- Drill Type
- Vertical
- County
- REFUGIO
- District
- 2
- Operator
- HILCORP ENERGY COMPANY
- Completed
- 1983-03-03
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