TEXAS · WELLS · WEBB COUNTY · RANCHO BLANCO CORP LEASE · API 42-479-36312 · DISTRICT 04
Rancho Blanco Corp #2
Webb County · Bashara-Hereford (7300) field · Producing · Vertical
Rancho Blanco Corp #2 (API 42-479-36312) is a well in Webb County operated by Columbus Energy LLC, completed January 16, 1996 and listed as producing on the RRC schedule, shut in June 1, 2017.
The RRC has issued one drilling permit, issued November 21, 1995, permitted to 7,423 ft.
It was permitted by Zachry Exploration, Inc. and has since transferred to Columbus Energy LLC on the wellbore schedule.
Its lease has reported 2.3K barrels of oil and 773K mcf of gas since January 1996, with no volume in the three years through April 2026.
Operator of record
Permitted by Zachry Exploration, Inc.; 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 May 2017 |
| Latest permit | Zachry Exploration, Inc.Nov 21, 1995 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 7,423
- total depth, ft
- 1
- permits on file
- Nov 21, 1995
- last permit issued
- Jan 16, 1996
- completed
- 2.3K
- cumulative oil, bbl
- 773K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1996 THROUGH May 2017
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Jan 16, 1996
- Shut in
- Jun 1, 2017
- 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 |
|---|---|---|---|---|---|---|
| Rancho Blanco Corp G-4-157719 | Bashara-Hereford (7300) | Columbus Energy, LLC | 1 | 2.3K | 773K | Jan 1996 – May 2017 |
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.
- 1Zachry Exploration, Inc.Jan 1996 → Nov 2009
- 2Zachry Exploration, Ltd.May 2002 → Jan 2009
- 3Zachry Exploration, LLCDec 2009 → Jul 2010
- 4Columbus Energy, LLCAug 2010 → May 2017
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 436875-99 | Drill | Zachry Exploration, Inc. | Jun 14, 1995 | Nov 21, 1995 | Dec 20, 1995 | 9,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Jan 16, 1996 | Rancho Blanco Corp G-4-157719 | Bashara-Hereford (7300) | Columbus Energy LLC | Producing · shut in Jun 1, 2017 | 7,423 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,160 | 7,188 | Perforated |
| 7,198 | 7,220 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 964 | 14.75 | 585 S |
| 7 | 5,823 | 8.75 | 370 S |
| 2.875 | 7,408 | 6.25 | 520 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 | May 31, 1996 | Feb 7, 1996 | Yes |
| 00 | May 7, 1996 | — | — |
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 42-479-36312 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-479-36312 → 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/47936312, documented in the API reference.