WELL · 42-039-33044 · DISTRICT 3
Old Ocean Unit #257
Brazoria County · Old Ocean (F-25) field · Directional
Old Ocean Unit #257 (API 42-039-33044) is a well in Brazoria County operated by Hilcorp Energy Company, completed November 24, 2010.
The RRC has issued 3 drilling permits between 2010 and 2025, permitted to 13,000 ft.
Completion filings report 7 formation tops, including F-11 (Armstrong), F-24, F-25, F-28.
Its 3 leases have reported 10.7K barrels of oil and 543K mcf of gas since February 2007, last reporting in July 2026. The leases carry 5 wells, so these are lease totals, not this well alone.
Operator of record
Houston, TX · P-5 Y, filed Mar 26, 2026 · 3,453 permits on file · (713) 209-2411
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 CompanyAug 20, 2025 |
- 13,000
- total depth, ft
- 3
- permits on file
- Aug 20, 2025
- last permit issued
- Nov 24, 2010
- completed
- 10.7K
- cumulative oil, bbl
- 543K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Feb 2007 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Nov 24, 2010
- Shut in
- —
- Plugged
- —
Surface location
29.037341, -95.706750
OpenStreetMap → · Google Maps →
Permit surface location from the RRC GIS record, in Brazoria County.
Lease production
PDQ LEASE REPORTS · REPORTED THROUGH APR 2026
Texas reports oil by lease, not by well. These are the 3 leases this well is completed on; they carry 5 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Old Ocean Unit G-3-269965 | Old Ocean (Larsen) | Hilcorp Energy Company | 1 | 0 | 377K | Mar 2013 – Jul 2026 |
| Old Ocean Unit G-3-300330 | Old Ocean (Armstrong) | Hilcorp Energy Company | 1 | 0 | 9.65K | Jul 2025 – Jul 2026 |
| Old Ocean Unit O-3-25030 | Old Ocean (F-25) | Hilcorp Energy Company | 3 | 10.7K | 157K | Feb 2007 – Jul 2026 |
Gas, mcf lease total
Last 12 months 14,460 · prior 12 16,998(-15%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Hilcorp Energy CompanyFeb 2007 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 909592-99 | Recompletion | Hilcorp Energy Company | Jul 30, 2025 | Aug 20, 2025 | Jun 7, 2010 | 12,403 |
| 755415-99 | Recompletion | Hilcorp Energy Company | Jan 23, 2013 | Jan 28, 2013 | Feb 5, 2013 | 12,403 |
| 696228-99 | Drill | Hilcorp Energy Company | May 18, 2010 | May 20, 2010 | Jun 19, 2010 | 13,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-3-269965 | — | — | — | — |
| — | — G-3-300330 | — | — | — | — |
| — | — O-3-25030 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 30 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| F-11 (Armstrong) | 9,897 | -9,867 |
| F-24 | 10,500 | -10,470 |
| F-24 | 10,505 | -10,475 |
| F-25 | 10,800 | -10,770 |
| F-28 | 11,800 | -11,770 |
| Armstrong | — | — |
| Campbell | — | — |
| Chenault | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 10,290 | 10,318 | Perforated |
| 10,712 | 10,850 | Perforated |
| 11,300 | 11,317 | Perforated |
| 11,348 | 11,361 | Perforated |
| 11,509 | 11,560 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 2,550 | 13.5 | 1,015 S |
| 7 | 11,025 | 9.875 | 975 S |
| 4.5 | 12,592 | 6.125 | 280 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 | Nov 18, 2025 | Sep 12, 2025 | — |
| 00 | May 25, 2023 | Apr 25, 2023 | — |
| 00 | Sep 30, 2013 | May 3, 2013 | — |
| 00 | Jan 26, 2012 | Feb 10, 2011 | — |
| 00 | Nov 30, 2011 | Oct 18, 2010 | Yes |
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 42-039-33044 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-039-33044 → 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.
Nearby wells and their tops
NEAREST 8 LOCATED WELLS WITH TOPS · WITHIN 16 KM
Draw a cross-section
This well's tops beside its 5 nearest neighbours, subsea-aligned so they line up regardless of surface terrain.
Old Ocean Unit42-039-32852
1.2 KM · Hilcorp Energy Company · Section with this well →
| Chenault (F-9) | 9,740 | -9,714 |
| Chenault | 9,740 | -9,714 |
| Armstrong | 10,075 | -10,049 |
| Armstrong (F-11) | 10,075 | -10,049 |
| Larsen | 10,532 | -10,506 |
| F-19 | 10,532 | -10,506 |
| Larsen (F-19) | 10,532 | -10,506 |
| F-26 | 11,285 | -11,259 |
9 TOPS · FIRST 8
Old Ocean Unit42-039-33074
1.3 KM · Hilcorp Energy Company · Section with this well →
| Chenault (F-9) | 9,775 | -9,750 |
| Chenault | 9,775 | -9,750 |
| Campbell (F-16) | 10,338 | -10,313 |
| Campbell | 10,338 | -10,313 |
| Larsen | 10,584 | -10,559 |
| Larsen (F-21) | 10,584 | -10,559 |
Old Ocean Unit42-039-04012
1.3 KM · Hilcorp Energy Company · Section with this well →
| F-9 | 9,592 | -9,557 |
| F-12 | 9,967 | -9,932 |
| F-13 | 10,040 | -10,005 |
| F-19 | 10,444 | -10,409 |
| F-20 | 10,544 | -10,509 |
| F-21 | 10,610 | -10,575 |
Old Ocean Unit42-039-33179
2.3 KM · Hilcorp Energy Company · Section with this well →
| Chenault | 9,570 | -9,545 |
| Campbell | 10,318 | -10,293 |
| Larsen | 10,424 | -10,399 |
Old Ocean Unit42-039-33009
2.4 KM · Hilcorp Energy Company · Section with this well →
| F-12 | 9,941 | -9,921 |
| F-16 | 10,120 | -10,100 |
| F-19 | 10,346 | -10,326 |
| F-21 | 10,445 | -10,425 |
Smith Heirs Unit42-039-32897
3.1 KM · Davis Operating Company, Inc. · Section with this well →
| Anahuac | 7,000 | -6,976 |
| Frio | 8,900 | -8,876 |
| F-23 | 11,700 | -11,676 |
Old Ocean Unit42-039-32765
3.8 KM · Hilcorp Energy Company · Section with this well →
| F-12 | 10,349 | -10,326 |
| F12 | 10,349 | -10,326 |
| F-23 | 11,437 | -11,414 |
| F-24 | 11,533 | -11,510 |
| Otis - Disposal | — | |
| Oligocene - Disposal | — | |
| Miocene (undifferentiated) | — | |
| Het Lime - Disposal | — |
10 TOPS · FIRST 8
Oddie Fields42-039-33360
4.1 KM · Bluestem Natural Gas LLC · Section with this well →
| Miocene (undifferentiated) | 7,020 | -6,998 |
| Het Lime - Disposal | 8,335 | -8,313 |
| Oligocene - Disposal | 8,980 | -8,958 |
| Frio | 12,000 | -11,978 |
| Caprock | — | |
| Otis - Disposal | — |
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/03933044, documented in the API reference.