WELL · 42-505-31368 · DISTRICT 4
Serna Gas Unit #1
Zapata County · Vertical
Serna Gas Unit #1 (API 42-505-31368) is a permitted well in Zapata County filed by Sanchez-O'Brien Oil & Gas Corp.; no completion report is on file yet.
The RRC has issued 2 drilling permits (amended once) between 1981 and 1996, permitted to 12,000 ft.
Operator of record
Sanchez-O'Brien Oil & Gas Corp.
Houston, TX · P-5 Y, filed Jul 6, 1998 · 493 permits on file
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | none |
| Production reports | none |
| Latest permit | Sanchez-O'Brien Oil & Gas Corp.Oct 8, 1996 |
- 12,000
- total depth, ft
- 3
- permits on file
- Oct 8, 1996
- last permit issued
- —
- completed
- 0
- cumulative oil, bbl
- 0
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · May 1994 THROUGH Jan 1997
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 |
|---|---|---|---|---|---|---|
| Serna Gas Unit G-4-158122 | Wildcat | Sanchez-O'Brien Oil & Gas Corp. | 1 | 0 | 0 | May 1994 – Jan 1997 |
No volumes reported on these leases in the last three years.
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 453603-98 | Recompletion | Sanchez-O'Brien Oil & Gas Corp. | Oct 15, 1996 | Oct 8, 1996 | — | 12,000 |
| 453603-99 | Recompletion | Sanchez-O'Brien Oil & Gas Corp. | Oct 8, 1996 | Oct 8, 1996 | — | 12,000 |
| 118392-99 | Drill | Homaby Bay Petroleum Corp. | May 5, 1981 | May 5, 1981 | May 14, 1981 | 12,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-4-158122 | — | — | — | — |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 860 | — | — |
| 9.625 | 7,000 | — | — |
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 | Jun 7, 1996 | Apr 18, 1996 | — |
| 00 | May 29, 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 42-505-31368 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-505-31368 → 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/50531368, documented in the API reference.