WELL · 42-077-32270 · DISTRICT 9
Mayo Joe Unit #1 #1
Clay County · Joy N.W. (Marble Falls) field · Producing · Vertical
Mayo Joe Unit #1 #1 (API 42-077-32270) is a well in Clay County operated by Cobra Oil & Gas Corporation, completed July 20, 1981 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued June 19, 1981, permitted to 6,150 ft.
Its lease has reported 99.2K barrels of oil and 37.7K mcf of gas since January 1993, last reporting in July 2026.
Operator of record
Wichita Falls, TX · P-5 Y, filed Dec 4, 2025 · 778 permits on file · (940) 720-2597
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Cobra Oil & Gas Corporation |
| Production reports | Cobra Oil & Gas Corporationthrough Apr 2026 |
| Latest permit | Cobra Oil & Gas CorporationJun 19, 1981 |
- 6,150
- total depth, ft
- 1
- permits on file
- Jun 19, 1981
- last permit issued
- Jul 20, 1981
- completed
- 99.2K
- cumulative oil, bbl
- 37.7K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Jul 20, 1981
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: X
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, Joe Unit #1 O-13-21222 | Joy, N.W. (Marble Falls) | Cobra Oil & Gas Corporation | 1 | 99.2K | 37.7K | Jan 1993 – Jul 2026 |
Oil, barrels lease total
Last 12 months 2,286 · prior 12 2,119(+8%)
Gas, mcf lease total
Last 12 months 558 · prior 12 533(+5%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Spragins, EdJan 1993 → Feb 2019
- 2Cobra Oil & Gas CorporationMar 2019 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 124700-99 | Drill | Cobra Oil & Gas Corporation | Jun 19, 1981 | Jun 19, 1981 | Jun 23, 1981 | 6,150 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-13-21222 | — | — | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 5,644 | 5,663 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 275 | 12.25 | 195 S |
| 2.375 | 5,608 | — | — |
| 4.5 | 6,020 | 7.875 | 775 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 27, 1981 | — |
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 42-077-32270 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-077-32270 → 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/07732270, documented in the API reference.