WELL · 42-479-38770 · DISTRICT 4
Walker J O C #5
Webb County · Aguilares (Zone 5-a W) field · Producing · Vertical
Walker J O C #5 (API 42-479-38770) is a well in Webb County operated by Proex Energy Management L.L.C., completed October 19, 2004 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued June 22, 2004, permitted to 7,000 ft.
It was permitted by Mcguffin, Joe JR. and has since transferred to Proex Energy Management L.L.C. on the wellbore schedule.
Completion filings report 3 formation tops, including Yegua, Queen City, Wilcox.
No lease production has been reported under this well’s leases.
Operator of record
Proex Energy Management L.L.C.
Permitted by McGuffin, Joe Jr.; the EWA schedule now lists a different operator.
Spring, TX · P-5 Y, filed Jul 4, 2026 · 10 permits on file · (281) 798-7270
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Proex Energy Management L.L.C. |
| Production reports | McGuffin, Joe Jr.through Feb 2005 |
| Latest permit | McGuffin, Joe Jr.Jun 22, 2004 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 7,000
- total depth, ft
- 1
- permits on file
- Jun 22, 2004
- last permit issued
- Oct 19, 2004
- completed
- 0
- cumulative oil, bbl
- 7.22K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Oct 2004 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Oct 19, 2004
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Delinquent
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 lease this well is completed on; this well is the only one on it.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Walker, J O "C" G-4-205355 | Aguilares (Zone 5-a, W) | Proex Energy Management, L.L.C. | 1 | 0 | 7.22K | Oct 2004 – Jul 2026 |
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.
- 1McGuffin, Joe Jr.Oct 2004 → Feb 2005
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 547284-99 | Drill | McGuffin, Joe Jr. | Jun 22, 2004 | Jun 22, 2004 | — | 7,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-4-205355 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 620 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Yegua | 1,870 | -1,250 |
| Queen City | 3,570 | -2,950 |
| Wilcox | 6,050 | -5,430 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 6,749 | 6,756 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 505 | 12.25 | 250 S |
| 4.5 | 7,046 | 7.875 | 620 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 | Mar 28, 2005 | Nov 19, 2004 | Yes |
| 00 | Jan 13, 2005 | — | — |
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 42-479-38770 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-479-38770 → 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/47938770, documented in the API reference.