TEXAS · WELLS · WEBB COUNTY · MARTINEZ, D.S. LEASE · API 42-479-36572 · DISTRICT 04
Martinez D.S. #4
Webb County · Bashara-Hereford (7300) field · Producing · Vertical
Martinez D.S. #4 (API 42-479-36572) is a well in Webb County operated by Columbus Energy LLC, completed January 30, 1997 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued September 19, 1996, permitted to 7,676 ft.
It was permitted by Columbus Energy Corp. and has since transferred to Columbus Energy LLC on the wellbore schedule.
Its lease has reported 42.7K barrels of oil and 3.92M mcf of gas since January 1997, last reporting volume in April 2026.
Operator of record
Permitted by Columbus Energy Corp.; the EWA schedule now lists a different operator.
- Based in
- Houston, TX
- P-5 status
- Active – Extension (X)
- P-5 last filed
- Jun 2, 2026
- Permits on file
- 51
- Phone
- (832) 432-8540
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Columbus Energy LLC |
| Production reports | Columbus Energy, LLCthrough Apr 2026 |
| Latest permit | Columbus Energy Corp.Sep 19, 1996 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 7,676
- total depth, ft
- 1
- permits on file
- Sep 19, 1996
- last permit issued
- Jan 30, 1997
- completed
- 42.7K
- cumulative oil, bbl
- 3.92M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1997 THROUGH Apr 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Jan 30, 1997
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active – Extension (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, D.S. G-4-162129 | Bashara-Hereford (7300) | Columbus Energy, LLC | 1 | 42.7K | 3.92M | Jan 1997 – Apr 2026 |
Gas, mcf lease total
Last 12 months 5,387 · prior 12 5,934(-9%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Columbus Energy Corp.Jan 1997 → Jun 2007
- 2Columbus Energy, LLCJul 2007 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 452721-99 | Drill | Columbus Energy Corp. | Sep 17, 1996 | Sep 19, 1996 | Dec 1, 1996 | 7,900 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Jan 30, 1997 | Martinez D.S. G-4-162129 | Bashara-Hereford (7300) | Columbus Energy LLC | Producing | 7,676 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,164 | 7,242 | Perforated |
| 7,262 | 7,272 | Perforated |
| 7,417 | 7,419 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 848 | 12.25 | 310 S |
| 7 | 5,827 | 8.75 | 395 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. The record date is the RRC's own date on the record, not the day the report was filed: 462,034 of the state's filings carry 1984-01-12. About these reports →
| Suffix | RRC record date | W-2 / G-1 date | Logs referenced |
|---|---|---|---|
| 00 | Apr 2, 1997 | Mar 4, 1997 | Yes |
| 00 | Mar 28, 1997 | — | — |
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 42-479-36572 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-479-36572 → scanned completion filings
Log images filed since 2004 open from the RRC's log search for this well; none are loaded here for it.
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/47936572, documented in the API reference.