WELL · 42-481-34931 · DISTRICT 3
Cockburn Deep Frio Unit No. 1 #4
Wharton County · Magnet Withers (Frio Cons.) field · Producing · Vertical
Cockburn Deep Frio Unit NO. 1 #4 (API 42-481-34931) is a well in Wharton County operated by Orx Resources L.L.C., completed May 3, 2010 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued September 28, 2007, permitted to 7,500 ft.
It was permitted by Kcs Resources, Inc. and has since transferred to Orx Resources L.L.C. on the wellbore schedule.
Completion filings report 3 formation tops, including Miocene (undifferentiated), Marg 1, Frio.
No lease production has been reported under this well’s leases.
Operator of record
Permitted by KCS Resources, Inc.; the EWA schedule now lists a different operator.
Houston, TX · P-5 Y, filed Jul 4, 2026 · 1 permits on file · (888) 595-1425
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Orx Resources L.L.C. |
| Production reports | Orx Resources, L.L.C.through Apr 2026 |
| Latest permit | KCS Resources, Inc.Sep 28, 2007 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 7,500
- total depth, ft
- 1
- permits on file
- Sep 28, 2007
- last permit issued
- May 3, 2010
- completed
- 0
- cumulative oil, bbl
- 225K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Dec 2007 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- May 3, 2010
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active
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 |
|---|---|---|---|---|---|---|
| Cockburn Deep Frio Unit No. 1 G-3-237668 | Magnet Withers (Frio Cons.) | Orx Resources, L.L.C. | 1 | 0 | 225K | Dec 2007 – Jul 2026 |
Gas, mcf lease total
Last 12 months 261 · prior 12 146(+79%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Milagro Exploration, LLCDec 2007 → Oct 2015
- 2White Oak Operating Company LLCNov 2015 → Apr 2023
- 3Orx Resources, L.L.C.Jun 2023 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 646640-99 | Drill | KCS Resources, Inc. | Sep 24, 2007 | Sep 28, 2007 | Nov 24, 2007 | 7,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-3-237668 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 74 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Miocene (undifferentiated)MIOCENE | 4,120 | -4,046 |
| Marg 1 | 5,442 | -5,368 |
| FrioFRIO 1 | 5,517 | -5,443 |
| FrioFRIO 9 | 6,048 | -5,974 |
| FrioFRIO 24A | 7,037 | -6,963 |
| FrioFRIO 26 | 7,319 | -7,245 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 6,145 | 6,149 | Perforated |
| 6,727 | 6,730 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 1,572 | 12.25 | 525 S |
| 5.5 | 7,460 | 8.75 | 900 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 | Jul 13, 2010 | May 5, 2010 | — |
| 00 | Sep 11, 2008 | Jun 26, 2008 | Yes |
| 00 | Aug 6, 2008 | — | — |
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 42-481-34931 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-481-34931 → 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/48134931, documented in the API reference.