42-039-04008
Final CompletionOLD OCEAN UNIT
BRAZORIA County · District 3 · HILCORP ENERGY COMPANY · OLD OCEAN (LARSEN)
Permits
1
Max Depth
10,840 ft
First Permit
2009-12-18
Latest Activity
2009-12-18
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
2009-08-26
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
Operator History
Chain of Custody
Lease Production
Production is reported at the lease level. View production data, decline curves, and history on the lease page.
Formation Tops (4) Elevation 31 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| CHENAULT | 9,614 ft | -9,583 ft |
| ARMSTRONG | 9,895 ft | -9,864 ft |
| CAMPBELL | 10,369 ft | -10,338 ft |
| LARSEN | 10,482 ft | -10,451 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 (10)
| Interval | Type |
|---|---|
| 9,614–9,634 ft | Perforated |
| 10,016–10,028 ft | Perforated |
| 10,546–10,556 ft | Perforated |
| 10,580–10,600 ft | Perforated |
| 10,610–10,640 ft | Perforated |
| 10,685–10,740 ft | Perforated |
| 10,685–10,770 ft | Perforated |
| 10,755–10,770 ft | Perforated |
| 10,755–10,774 ft | Perforated |
| 10,775–10,770 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 1,491 ft | — |
| 9.625" | 7,020 ft | — |
| 7" | 10,832 ft | — |
Permit History (1)
Applications (1)
Records & Logs
9 completion filings on record · 1 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
- 148
- Max Depth
- 10,840 ft
- Drill Type
- Vertical
- County
- BRAZORIA
- District
- 3
- Operator
- HILCORP ENERGY COMPANY
- Completed
- 2009-08-26
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