TEXAS · WELLS · WEBB COUNTY · ZACHRY LEASE · API 42-479-33243 · DISTRICT 04
Zachry #15
Webb County · Rancho Blanco (Lobo) field · Temp Abandoned · Vertical
Zachry #15 (API 42-479-33243) is a well in Webb County operated by Columbus Energy LLC, completed December 7, 1984 and listed as temp abandoned on the RRC schedule, shut in October 1, 2019.
The RRC has issued one drilling permit, issued January 29, 1982, permitted to 8,121 ft.
It was permitted by Consolidated Oil & Gas, Inc. and has since transferred to Columbus Energy LLC on the wellbore schedule.
Completion filings report 6 formation tops, including Queen City, Reklaw, Carrizo, L. Wilcox.
Its lease has reported 6.62K barrels of oil and 2.74M mcf of gas since January 1993, with no volume in the three years through April 2026.
Operator of record
Permitted by Consolidated Oil & Gas, 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 Sep 2019 |
| Latest permit | Consolidated Oil & Gas, Inc.Jan 29, 1982 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 8,121
- total depth, ft
- 1
- permits on file
- Jan 29, 1982
- last permit issued
- Dec 7, 1984
- completed
- 6.62K
- cumulative oil, bbl
- 2.74M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Sep 2019
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Dec 7, 1984
- Shut in
- Oct 1, 2019
- 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 |
|---|---|---|---|---|---|---|
| Zachry G-4-99244 | Rancho Blanco (Lobo) | Columbus Energy, LLC | 1 | 6.62K | 2.74M | Jan 1993 – Sep 2019 |
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.
- 1Columbus Energy Corp.Jan 1993 → Oct 1994
- 2Rancho Blanco CorporationNov 1994 → Apr 1995
- 3Zachry Exploration, Inc.May 1995 → Nov 2009
- 4Zachry Exploration, Ltd.May 2002 → Jan 2009
- 5Zachry Exploration, LLCDec 2009 → Jul 2010
- 6Columbus Energy, LLCAug 2010 → Sep 2019
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 149551-99 | Drill | Consolidated Oil & Gas, Inc. | Jan 29, 1982 | Jan 29, 1982 | Feb 2, 1982 | 9,100 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Dec 7, 1984 | Zachry G-4-99244 | Rancho Blanco (Lobo) | Columbus Energy LLC | Temp Abandoned · shut in Oct 1, 2019 | 8,121 |
Formation tops
As filed on W-2/G-1. Subsea from 480 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Queen City | 1,576 | -1,096 |
| ReklawREKLAW SHALE | 2,210 | -1,730 |
| Carrizo | 2,500 | -2,020 |
| L. Wilcox | 5,964 | -5,484 |
| Lobo 1 | 7,124 | -6,644 |
| Lobo 6 | 7,820 | -7,340 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,125 | 7,200 | Perforated |
| 7,125 | 7,926 | Perforated |
| 7,454 | 7,468 | Perforated |
| 7,492 | 7,496 | Perforated |
| 7,864 | 7,894 | Perforated |
| 7,916 | 7,926 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 774 | 14.75 | 425 S |
| 7.625 | 6,094 | 9.875 | 600 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 | Aug 27, 1986 | Jul 3, 1986 | — |
| 00 | Jan 12, 1984 | May 10, 1982 | — |
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 42-479-33243 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-479-33243 → 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/47933243, documented in the API reference.