WELL · 42-479-34207 · DISTRICT 4
Zachry H. B. #23
Webb County · Hein (Lobo) field · Vertical
Zachry H. B. #23 (API 42-479-34207) is a plugged well in Webb County, plugged December 16, 2012, last operated by Columbus Energy LLC.
The RRC has issued one drilling permit, issued July 17, 1985, permitted to 8,200 ft.
It was permitted by Consolidated Oil & Gas, Inc. and has since transferred to Columbus Energy LLC on the wellbore schedule.
Completion filings report one formation top, including Lobo.
Operator of record
Permitted by Consolidated Oil & Gas, Inc.; 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 | Zachry Exploration, Ltd.through Oct 2008 |
| Latest permit | Consolidated Oil & Gas, Inc.Jul 17, 1985 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 8,200
- total depth, ft
- 1
- permits on file
- Jul 17, 1985
- last permit issued
- Sep 15, 1985
- completed
- 0
- cumulative oil, bbl
- 845K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Dec 2012
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Sep 15, 1985
- Shut in
- —
- Plugged
- Dec 16, 2012
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, H. B. G-4-118854 | Hein (Lobo) | Columbus Energy, LLC | 1 | 0 | 845K | Jan 1993 – Dec 2012 |
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 → Apr 2002
- 4Zachry Exploration, Ltd.May 2002 → Oct 2008
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 280868-99 | Drill | Consolidated Oil & Gas, Inc. | Sep 19, 1985 | Jul 17, 1985 | Aug 3, 1985 | 8,200 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-4-118854 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 500 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Lobo | 7,018 | -6,518 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,022 | 7,082 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 774 | 14.75 | 475 S |
| 7.625 | 5,962 | 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. About these reports →
| Suffix | Filed | W-2 / G-1 date | Logs referenced |
|---|---|---|---|
| 00 | Dec 5, 1985 | Oct 24, 1985 | Yes |
| 00 | Nov 23, 1985 | — | — |
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 42-479-34207 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-479-34207 → 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/47934207, documented in the API reference.