WELL · 42-039-03976 · DISTRICT 3
Old Ocean Unit #108
Brazoria County · Old Ocean (Chenault) field · Sidetrack
Old Ocean Unit #108 (API 42-039-03976) is a well in Brazoria County operated by Hilcorp Energy Company, completed September 1, 1971.
The RRC has issued one drilling permit, issued January 22, 2003, permitted to 10,850 ft.
Completion filings report 4 formation tops, including Chenault, Chesnault, Armstrong, Larsen.
No lease production has been reported under this well’s leases.
Operator of record
- 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 | Hilcorp Energy Companythrough Apr 2026 |
| Latest permit | Hilcorp Energy CompanyJan 22, 2003 |
- 10,850
- total depth, ft
- 1
- permits on file
- Jan 22, 2003
- last permit issued
- Sep 1, 1971
- completed
- 0
- cumulative oil, bbl
- 9.91M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Sep 1, 1971
- Shut in
- —
- Plugged
- —
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-3-42778 | Old Ocean (Larsen) | Hilcorp Energy Company | 1 | 0 | 9.91M | Jan 1993 – Jul 2026 |
| Old Ocean Unit G-3-51230 | Old Ocean (Chenault) | Hilcorp Energy Company | 1 | 0 | 0 | Jan 1993 – Jun 2008 |
Gas, mcf lease total
Last 12 months 13,761 · prior 12 79,066(-83%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Amoco Production CompanyJan 1993 → Apr 1998
- 2Hilcorp Energy CompanyMay 1998 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 527586-99 | Recompletion · sidetrack | Hilcorp Energy Company | Jan 22, 2003 | Jan 22, 2003 | Jan 23, 2003 | 10,850 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-3-42778 | — | — | — | — |
| — | — G-3-51230 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 36 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Chenault | 9,569 | -9,533 |
| Chesnault | 9,569 | -9,533 |
| Armstrong | 9,859 | -9,823 |
| Larsen | 10,540 | -10,504 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 10,518 | 10,791 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 1,585 | 15 | — |
| 13.375 | 1,585 | 18 | — |
| 13.375 | 1,585 | — | — |
| 9.625 | 6,995 | 12.25 | — |
| 9.625 | 6,995 | — | — |
| 7 | 10,144 | 8.625 | 500 S |
| 7 | 10,144 | — | — |
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 | Mar 23, 2009 | Jan 22, 2009 | — |
| 00 | Feb 5, 2009 | Dec 5, 2008 | — |
| 00 | Nov 14, 2008 | Jul 15, 2008 | — |
| 00 | Jul 21, 2003 | Jun 12, 2003 | Yes |
| 00 | Jan 12, 1984 | Oct 13, 1971 | — |
| 00 | Jan 12, 1984 | Nov 2, 1967 | — |
| 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 42-039-03976 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-039-03976 → 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/03903976, documented in the API reference.