TEXAS · WELLS · MATAGORDA COUNTY · API 42-321-00736 · DISTRICT 03
Old Ocean Unit #12
Matagorda County · Old Ocean (Larsen) field · Temp Abandoned · Vertical
Old Ocean Unit #12 (API 42-321-00736) is a well in Matagorda County operated by Hilcorp Energy Company, completed March 3, 1988 and listed as temp abandoned on the RRC schedule, shut in January 1, 1998.
The RRC has issued one drilling permit, issued February 1, 1988, permitted to 11,005 ft.
It was permitted by Amoco Production Company and has since transferred to Hilcorp Energy Company on the wellbore schedule.
No lease production has been reported under this well’s leases.
Operator of record
Permitted by Amoco Production Company; the EWA schedule now lists a different operator.
- Based in
- Houston, TX
- P-5 status
- Active – Extension (X)
- P-5 last filed
- Mar 27, 2026
- Permits on file
- 3,454
- Phone
- (713) 209-2400
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Hilcorp Energy Company |
| Production reports | none |
| Latest permit | Amoco Production CompanyFeb 1, 1988 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 11,005
- total depth, ft
- 1
- permits on file
- Feb 1, 1988
- last permit issued
- Mar 3, 1988
- completed
- 0
- cumulative oil, bbl
- 0
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Mar 3, 1988
- Shut in
- Jan 1, 1998
- Plugged
- —
Operator's P-5 on the schedule: Active (A)
Surface location
No coordinates on the permit record yet. The RRC's GIS record usually lands within days of issuance; historical master-file permits never carry one.
Lease production
PDQ LEASE REPORTS · REPORTED THROUGH APR 2026
Texas reports oil by lease, not by well. These are the 2 leases this well is completed on; they carry 2 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Old Ocean Unit G-3-7646 | Old Ocean (Larsen) | Hilcorp Energy Company | 1 | 0 | 0 | Jan 1993 – Jul 2026 |
| Old Ocean Unit G-3-45278 | Old Ocean (Armstrong) | Hilcorp Energy Company | 1 | 0 | 0 | Jan 1993 – Jul 2026 |
No volumes reported on these leases in the last three years.
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 342091-99 | Recompletion | Amoco Production Company | Feb 1, 1988 | Feb 1, 1988 | — | 11,005 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Mar 3, 1988 | Old Ocean Unit G-3-7646 | Old Ocean (Larsen) | Hilcorp Energy Company | Temp Abandoned · shut in Jan 1, 1998 | 11,005 |
| Dec 12, 1968 | Old Ocean Unit G-3-45278 | Old Ocean (Armstrong) | Hilcorp Energy Company | Temp Abandoned · shut in Jan 1, 1998 | 11,005 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 10,078 | 10,088 | Perforated |
| 10,650 | 10,660 | Perforated |
| 10,658 | 10,668 | Perforated |
| 10,812 | 10,830 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 1,624 | 18 | 800 S |
| 9.625 | 7,161 | 12.25 | 1,000 S |
| 5.5 | 11,000 | — | 1,000 S |
Completion filings
W-2 and G-1 reports on record in the RRC wellbore file, newest first. The suffix identifies the wellbore or completion event. About these reports →
| Suffix | Filed | W-2 / G-1 date | Logs referenced |
|---|---|---|---|
| 00 | Aug 8, 1988 | Mar 22, 1988 | — |
| 00 | Jan 12, 1984 | — | — |
The source documents
Petrora holds the structured record. The scanned filings live at the RRC; these links open its search already filled in for this API.
- Wellbore filings for 42-321-00736 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-321-00736 → scanned completion filings
Log images are in archives with no per-well link: the RRC's Neubus archive (2004 onward). then paste it into their search.
About this data
Permits from the RRC OGA049M master and daily daf420 files; wellbore and operator of record from the EWA schedule, weekly; completions, formation tops, casing, and perforations from the dbf900 wellbore file; production from PDQ lease reports, which lag two to three months; injection from UIC permits, H-10 reports, and TexNet daily volumes; earthquakes from the TexNet catalog.
New to these records? How to read a well page · API numbers · completion reports and tops · why production is by lease
Developers: this page as JSON is GET /v1/data/wells/32100736, documented in the API reference.