WELL · 42-479-35564 · DISTRICT 4
Martinez-Barrera Gas Unit #4
Webb County · Bashara-Hereford (7300) field · Temp Abandoned · Vertical
Martinez-Barrera Gas Unit #4 (API 42-479-35564) is a well in Webb County operated by Columbus Energy LLC, completed March 20, 2010 and listed as temp abandoned on the RRC schedule.
The RRC has issued one drilling permit, issued August 24, 1992, permitted to 9,000 ft.
It was permitted by Transamerican Natural Gas Corp. and has since transferred to Columbus Energy LLC on the wellbore schedule.
Completion filings report 2 formation tops, including Wilcox, Wills Point.
No lease production has been reported under this well’s leases.
Operator of record
Permitted by Transamerican Natural Gas Corp.; the EWA schedule now lists a different operator.
Houston, TX · P-5 Y, filed Apr 4, 2026 · 51 permits on file · (956) 722-5238
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Columbus Energy LLC |
| Production reports | Columbus Energy, LLCthrough Mar 2015 |
| Latest permit | Transamerican Natural Gas Corp.Aug 24, 1992 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 9,000
- total depth, ft
- 1
- permits on file
- Aug 24, 1992
- last permit issued
- Mar 20, 2010
- completed
- 0
- cumulative oil, bbl
- 1.44M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Mar 20, 2010
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: X
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 |
|---|---|---|---|---|---|---|
| Martinez-Barrera Gas Unit G-4-143693 | Bashara-Hereford (7300) | Columbus Energy, LLC | 1 | 0 | 1.44M | Jan 1993 – 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.
- 1Transamerican Natural Gas Corp.Jan 1993 → Jul 1993
- 2Transtexas Gas CorporationAug 1993 → May 1997
- 3Conoco Inc.Jun 1997 → Dec 2001
- 4Houston Exploration Company, TheApr 2003 → Sep 2006
- 5Forest Oil CorporationJul 2009 → Jun 2010
- 6Columbus Energy, LLCJul 2010 → Mar 2015
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 402470-99 | Drill | Transamerican Natural Gas Corp. | Aug 18, 1992 | Aug 24, 1992 | Oct 18, 1992 | 9,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-4-143693 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 466 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| WilcoxTOP WILCOX | 3,680 | -3,214 |
| WilcoxTOP/WILCOX | 3,680 | -3,214 |
| WilcoxBASE WILCOX | 4,960 | -4,494 |
| WilcoxBASE/WILCOX | 4,960 | -4,494 |
| Wills Point | 8,500 | -8,034 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,626 | 7,636 | Perforated |
| 7,845 | 7,870 | Perforated |
| 7,845 | 7,890 | Perforated |
| 7,870 | 7,890 | Perforated |
| 8,193 | 8,270 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 819 | 14.75 | 530 S |
| 10.75 | 821 | 14.75 | 530 S |
| 7 | 6,618 | 8.75 | 265 S |
| 7 | 6,620 | 7.75 | 265 S |
| 7 | 6,620 | 8.75 | 265 S |
| 3.5 | 8,985 | 6.125 | 420 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 | Jun 29, 2010 | Apr 9, 2010 | — |
| 00 | Feb 22, 2010 | Dec 7, 2009 | — |
| 00 | Nov 30, 2009 | Sep 25, 2009 | — |
| 00 | Jan 6, 2004 | Nov 6, 2003 | — |
| 00 | Feb 10, 1993 | Jan 11, 1993 | Yes |
| 00 | Feb 1, 1993 | — | — |
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 42-479-35564 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-479-35564 → 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/47935564, documented in the API reference.