WELL · 42-391-01303 · DISTRICT 2
Fox W. J. A #37
Refugio County · Hynes Ranch (Frio 5500) field · Vertical
Fox W. J. A #37 (API 42-391-01303) is a well in Refugio County operated by Hilcorp Energy Company, completed December 3, 2004.
The RRC has issued 5 drilling permits between 2004 and 2018, permitted to 7,715 ft.
Completion filings report 6 formation tops, including Catahoua, Catahoula, Frio, Ff-29.
Its 7 leases have reported 101K barrels of oil and 374K mcf of gas since January 1993, last reporting in July 2026. The leases carry 12 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 Dec 2018 |
| Latest permit | Hilcorp Energy CompanyFeb 22, 2018 |
- 7,715
- total depth, ft
- 5
- permits on file
- Feb 22, 2018
- last permit issued
- Dec 3, 2004
- completed
- 101K
- cumulative oil, bbl
- 374K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Dec 3, 2004
- Shut in
- —
- Plugged
- —
Surface location
28.368426, -97.217679
OpenStreetMap → · Google Maps →
Permit surface location from the RRC GIS record, in Refugio County.
Lease production
PDQ LEASE REPORTS · REPORTED THROUGH APR 2026
Texas reports oil by lease, not by well. These are the 7 leases this well is completed on; they carry 12 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| W. J. Fox "A" O-2-9644 | Hynes Ranch (6800) | Hilcorp Energy Company | 3 | 5.72K | 43.7K | Feb 2011 – Jul 2026 |
| W. J. Fox 'A' O-2-10453 | Hynes Ranch (FF-38 Sand) | Hilcorp Energy Company | 2 | 27.3K | 57.6K | Dec 2011 – Jul 2026 |
| W. J. Fox 'A' G-2-284452 | Hynes Ranch (FF-29) | Hilcorp Energy Company | 1 | 0 | 0 | Aug 2017 – Jan 2018 |
| Fox, W. J. "A" O-2-8957 | Hynes Ranch (Frio 5500) | Hilcorp Energy Company | 1 | 24.4K | 118K | Dec 2004 – Apr 2012 |
| Fox, W. J. "A" O-2-9080 | Hynes Ranch (FF-38 Sand) | Hilcorp Energy Company | 3 | 28.4K | 61.3K | Nov 2006 – Apr 2012 |
| Fox, W. J. -A- O-2-5194 | Hynes Ranch (5800 Frio Upper) | Hilcorp Energy Company | 1 | 14.9K | 56.5K | Jan 1993 – Sep 2005 |
| Fox, W. J. "A" G-2-205578 | Hynes Ranch (F- 8) | Hilcorp Energy Company | 1 | 0 | 36.9K | Jun 2004 – Dec 2004 |
No volumes reported on these leases in the last three years.
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Pennzoil Exploration & Prod. Co.Feb 1993 → Feb 1999
- 2Pennzenergy Exp. & Prod., L.L.C.Mar 1999 → Mar 2000
- 3Devon Energy Production Co, L.P.Apr 2000 → Jan 2002
- 4Hilcorp Energy CompanyJul 2004 → Sep 2018
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 835230-99 | Recompletion | Hilcorp Energy Company | Jan 16, 2018 | Feb 22, 2018 | Jan 15, 2018 | 7,715 |
| 828337-99 | Recompletion | Hilcorp Energy Company | Jun 28, 2017 | Aug 10, 2017 | Aug 16, 2017 | 7,715 |
| 717507-99 | Recompletion | Hilcorp Energy Company | Jun 1, 2011 | Jul 7, 2011 | Sep 22, 2011 | 7,715 |
| 554631-99 | Recompletion | Hilcorp Energy Company | Dec 9, 2004 | Jan 3, 2005 | — | 7,715 |
| 548131-99 | Recompletion | Hilcorp Energy Company | Jul 12, 2004 | Jul 16, 2004 | Jun 14, 2004 | 7,715 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-2-205578 | — | — | — | — |
| — | — G-2-284452 | — | — | — | — |
| — | — O-2-5194 | — | — | — | — |
| — | — O-2-8957 | — | — | — | — |
| — | — O-2-9080 | — | — | — | — |
| — | — O-2-9644 | — | — | — | — |
| — | — O-2-10453 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 53 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 5,543 | 5,550 | Perforated |
| 5,557 | 5,567 | Perforated |
| 5,809 | 5,812 | Perforated |
| 5,809 | 5,813 | Perforated |
| 6,215 | 6,223 | Perforated |
| 6,246 | 6,253 | Perforated |
| 6,531 | 6,533 | Perforated |
| 6,880 | 6,884 | Perforated |
| 7,374 | 7,380 | Perforated |
| 7,390 | 7,398 | Perforated |
| 7,464 | 7,474 | Perforated |
| — | 6,749 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 1,316 | 13.75 | 717 S |
| 5.5 | 7,573 | 8.75 | 586 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 | Oct 8, 2018 | May 3, 2018 | Yes |
| 00 | Aug 9, 2018 | Feb 9, 2018 | — |
| 00 | May 17, 2013 | Dec 27, 2011 | Yes |
| 00 | Apr 11, 2012 | Dec 27, 2011 | — |
| 00 | Sep 2, 2005 | Jan 24, 2005 | — |
| 00 | May 4, 2005 | — | — |
| 00 | Apr 21, 2005 | Jul 28, 2004 | Yes |
| 00 | Jan 25, 2005 | — | — |
| 00 | Jan 12, 1984 | Apr 22, 1975 | — |
| 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 42-391-01303 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-391-01303 → 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.
W. J. Fox -A-42-391-33183
2.4 KM · Hilcorp Energy Company · Section with this well →
| Catahoula | 3,639 | -3,586 |
| Frio | 4,459 | -4,406 |
| Jackson | — |
W. J. Fox 'A'42-391-33075
2.4 KM · Hilcorp Energy Company · Section with this well →
| Catahoula | 3,614 | -3,557 |
| Frio | 4,448 | -4,391 |
| 5800A | 5,857 | -5,800 |
| 6400 | 6,418 | -6,361 |
| 6600 | 6,614 | -6,557 |
| Top 6600' | 6,614 | -6,557 |
| Jackson | — |
Fox, W. J. -A-42-391-01289
2.6 KM · Pennzoil Exploration & Prod. Co. · Section with this well →
| Catahoula | 3,603 | -3,549 |
| Frio | 4,449 | -4,395 |
| M. Frio Sinton | 4,978 | -4,924 |
| Jackson | — |
Lambert, M.F.42-391-31289
3.4 KM · Pennzoil Producing Co. · Section with this well →
| L-3 | 1,855 | -1,782 |
| L-8 | 2,221 | -2,148 |
| 4400 | 4,355 | -4,282 |
O'Connor42-391-33267
3.8 KM · Greta Operating Company LLC · Section with this well →
| Catahoula | 3,455 | -3,436 |
| Frio | 4,323 | -4,304 |
| Jackson | — |
Thomas O'Connor42-391-33151
3.9 KM · Acock/Anaqua Operating Co., LP · Section with this well →
| Catahoula | 3,452 | -3,394 |
| Frio | 4,274 | -4,216 |
| Jackson | — |
J.M. O'Brien JLB42-391-33276
3.9 KM · Jura Energy Operating LLC · Section with this well →
| Catahoula | 3,461 | -3,403 |
| Frio | 4,359 | -4,301 |
| Jackson | — |
M. F. Lambert 'A'42-391-33052
4.1 KM · Hilcorp Energy Company · Section with this well →
| Surface | 1,500 | -1,448 |
| Catahoula | 2,585 | -2,533 |
| Lagarto | 2,750 | -2,698 |
| Oakville | 2,900 | -2,848 |
| Anahuac | 4,100 | -4,048 |
| Greta | 4,300 | -4,248 |
| Frio | 4,430 | -4,378 |
| Frio | 4,785 | -4,733 |
11 TOPS · FIRST 8
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/39101303, documented in the API reference.