42-039-03988
Final CompletionOLD OCEAN UNIT
BRAZORIA County · District 3 · HILCORP ENERGY COMPANY · OLD OCEAN (LARSEN)
Permits
1
Max Depth
10,843 ft
First Permit
2008-04-11
Latest Activity
2008-04-11
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
2004-10-08
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 (3) Elevation 43 ft (DF)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| F-19 | 10,420 ft | -10,377 ft |
| F-20 | 10,483 ft | -10,440 ft |
| F-21 | 10,572 ft | -10,529 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 (16)
| Interval | Type |
|---|---|
| 9,956–9,965 ft | Perforated |
| 9,956–9,986 ft | Perforated |
| 10,022–10,052 ft | Perforated |
| 10,068–10,078 ft | Perforated |
| 10,084–10,094 ft | Perforated |
| 10,300–10,326 ft | Perforated |
| 10,330–10,360 ft | Perforated |
| 10,330–10,743 ft | Perforated |
| 10,426–10,432 ft | Perforated |
| 10,438–10,446 ft | Perforated |
| 10,452–10,456 ft | Perforated |
| 10,504–10,520 ft | Perforated |
| 10,536–10,548 ft | Perforated |
| 10,620–10,644 ft | Perforated |
| 10,648–10,675 ft | Perforated |
+1 more intervals
Casing (7)
| Size | Set Depth | Cement |
|---|---|---|
| 20" | 45 ft | 15 sx |
| 13.375" | 1,493 ft | 350 sx |
| 9.625" | 7,010 ft | 500 sx |
| 9.625" | 7,070 ft | 500 sx |
| 2.875" | 9,895 ft | — |
| 7" | 10,087 ft | 500 sx |
| 2.375" | 10,400 ft | — |
Permit History (1)
Applications (1)
Records & Logs
8 completion filings on record · 1 with log images at RRC.
+2 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
- 120
- Max Depth
- 10,843 ft
- Drill Type
- Vertical
- County
- BRAZORIA
- District
- 3
- Operator
- HILCORP ENERGY COMPANY
- Completed
- 2004-10-08
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