WELL · 42-409-02126 · DISTRICT 4
Mayo, C. H. #A-2
San Patricio County · Vertical
Mayo, C. H. #A-2 (API 42-409-02126) is a permitted well in San Patricio County filed by Cummins & Walker Oil CO., Inc.; no completion report is on file yet.
The RRC has issued one drilling permit, issued June 15, 1977, permitted to 6,000 ft.
Operator of record
Cummins & Walker Oil Co., Inc.
- Based in
- Austin, TX
- P-5 status
- Active (A)
- P-5 last filed
- Feb 4, 2026
- Permits on file
- 365
- Phone
- (512) 329-8700
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | none |
| Production reports | none |
| Latest permit | Cummins & Walker Oil Co., Inc.Jun 15, 1977 |
- 6,000
- total depth, ft
- 1
- permits on file
- Jun 15, 1977
- last permit issued
- —
- completed
- 0
- cumulative oil, bbl
- 0
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Aug 1994
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 |
|---|---|---|---|---|---|---|
| Mayo, C. H. O-4-3143 | Taft, East | Howell, Michael | 1 | 0 | 0 | Jan 1993 – Aug 1994 |
No volumes reported on these leases in the last three years.
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 732-99 | Recompletion | Cummins & Walker Oil Co., Inc. | Jun 15, 1977 | Jun 15, 1977 | — | 6,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-4-3143 | — | — | — | — |
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 | Feb 16, 1994 | — | — |
| 00 | Jan 12, 1984 | — | — |
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 42-409-02126 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-409-02126 → 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/40902126, documented in the API reference.