WELL · 42-479-31216 · DISTRICT 4
Zachry, H. B. "C" #4
Webb County · Vertical
Zachry, H. B. "C" #4 (API 42-479-31216) is a permitted well in Webb County filed by Conoco Inc.; no completion report is on file yet.
The RRC has issued 2 drilling permits in 1981, permitted to 8,018 ft.
Operator of record
Houston, TX · P-5 Y, filed Dec 6, 2002 · 4,644 permits on file
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | none |
| Production reports | Columbus Energy, LLCthrough Apr 2026 |
| Latest permit | Conoco Inc.Jul 2, 1981 |
- 8,018
- total depth, ft
- 2
- permits on file
- Jul 2, 1981
- last permit issued
- —
- completed
- 0
- cumulative oil, bbl
- 1.18M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- —
- Shut in
- —
- Plugged
- —
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. -C- G-4-72249 | Laredo (Lobo) | Columbus Energy, LLC | 1 | 0 | 1.18M | Jan 1993 – Jul 2026 |
Gas, mcf lease total
Last 12 months 18,851 · prior 12 18,386(+3%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Conoco Inc.Jan 1993 → Dec 1993
- 2Zachry, H. B. CompanyJan 1994 → Apr 1994
- 3Rancho Blanco CorporationMay 1994 → Apr 1995
- 4Zachry Exploration, Inc.May 1995 → Nov 2009
- 5Zachry Exploration, Ltd.May 2002 → Jan 2009
- 6Zachry Exploration, LLCDec 2009 → Jul 2010
- 7Columbus Energy, LLCAug 2010 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 130407-99 | Drill | Conoco Inc. | Jul 2, 1981 | Jul 2, 1981 | — | 8,018 |
| 113456-99 | Other | Conoco Inc. | Mar 27, 1981 | Mar 27, 1981 | — | 8,018 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-4-72249 | — | — | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 6,972 | 7,052 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 914 | 15 | 600 S |
| 7.625 | 5,570 | 9.875 | 550 S |
| 2.375 | 6,800 | — | — |
| 4.5 | 8,018 | 6.75 | 900 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 | Jan 12, 1984 | Jul 26, 1977 | — |
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 42-479-31216 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-479-31216 → 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/47931216, documented in the API reference.