WELL · 42-409-03936 · DISTRICT 4
Mayo J. W. a/C 1 #67
San Patricio County · Taft (4900) field · Vertical
Mayo J. W. A/C 1 #67 (API 42-409-03936) is a plugged well in San Patricio County, plugged May 12, 2005, last operated by Hec Petroleum Inc..
The RRC has issued 2 drilling permits between 1979 and 1983, permitted to 4,992 ft.
It was permitted by Exxon Corp. and has since transferred to Hec Petroleum Inc. on the wellbore schedule.
Its 2 leases have reported 395K barrels of oil and 439K mcf of gas since January 1993, last reporting in June 2005. The leases carry 47 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Exxon Corp.; the EWA schedule now lists a different operator.
Midland, TX · P-5 Y, filed Mar 3, 2006
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Hec Petroleum Inc. |
| Production reports | Hec Petroleum, Inc.through Aug 2004 |
| Latest permit | Exxon Corp.Sep 29, 1983 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 4,992
- total depth, ft
- 2
- permits on file
- Sep 29, 1983
- last permit issued
- —
- completed
- 395K
- cumulative oil, bbl
- 439K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jun 2005
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- —
- Shut in
- —
- Plugged
- May 12, 2005
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 2 leases this well is completed on; they carry 47 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Mayo, J. W., a/C 1 O-4-7253 | Taft (4000) | Hec Petroleum, Inc. | 45 | 395K | 439K | Jan 1993 – Jun 2005 |
| Mayo, J. W. a/C #1 O-4-10407 | Taft (3900) | Hec Petroleum, Inc. | 2 | 0 | 0 | Jan 1993 – Jun 2005 |
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.
- 1Exxon Corp.Jan 1993 → Jul 1994
- 2Cox Resources Corp.Aug 1994 → Aug 2000
- 3Hallwood Petroleum, Inc.Sep 2000 → Dec 2001
- 4Hec Petroleum, Inc.Jan 2002 → Aug 2004
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 215614-99 | Recompletion | Exxon Corp. | Sep 27, 1983 | Sep 29, 1983 | — | 4,992 |
| 63163-99 | Other | Exxon Corp. | Nov 7, 1979 | Nov 7, 1979 | — | 4,992 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-4-7253 | — | — | — | — |
| — | — O-4-7253 | — | — | — | — |
| — | — O-4-10407 | — | — | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 3,900 | 3,907 | Perforated |
| 3,932 | 3,942 | Perforated |
| 4,620 | 4,624 | Perforated |
| — | 3,932 | Perforated |
| — | 4,353 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 628 | 12.25 | 300 S |
| 9.625 | 628 | — | — |
| 9.625 | 629 | 12.25 | 300 S |
| 1.5 | 4,398 | — | — |
| 2.875 | 4,935 | — | — |
| 2.875 | 4,946 | — | — |
| 2.875 | 4,973 | — | — |
| 2.875 | 4,977 | 8.75 | 360 S |
| 2.875 | 4,977 | — | — |
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 | Jul 31, 1987 | Jul 7, 1987 | — |
| 00 | Jul 28, 1987 | — | — |
| 00 | Apr 26, 1984 | Jan 9, 1984 | — |
| 00 | Mar 6, 1984 | Jan 9, 1984 | — |
| 00 | Jan 12, 1984 | Feb 14, 1980 | — |
| 00 | Jan 12, 1984 | Mar 4, 1965 | — |
| 00 | Jan 12, 1984 | Feb 9, 1965 | — |
| 00 | Jan 12, 1984 | Nov 19, 1964 | — |
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 42-409-03936 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-409-03936 → 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/40903936, documented in the API reference.