WELL · 42-041-30790 · DISTRICT 3
Mahoney-Shannon #1
Brazos County · Vertical
Mahoney-Shannon #1 (API 42-041-30790) is a permitted well in Brazos County filed by Chenango Oil And Gas CO.; no completion report is on file yet.
The RRC has issued 5 drilling permits between 1982 and 1993, permitted to 9,300 ft.
Completion filings report 4 formation tops, including Austin Chalk, Woodbine, Buda, Georgetown.
Its 2 leases have reported 1.21K barrels of oil and 2.88K mcf of gas since January 1993, last reporting in June 1997. The leases carry 2 wells, so these are lease totals, not this well alone.
Operator of record
Groves, TX · P-5 Y, filed Dec 5, 2014 · 3 permits on file
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | none |
| Production reports | Texas State Oil Co.through Apr 1996 |
| Latest permit | Chenango Oil and Gas Co.Dec 27, 1993 |
- 9,300
- total depth, ft
- 5
- permits on file
- Dec 27, 1993
- last permit issued
- —
- completed
- 1.21K
- cumulative oil, bbl
- 2.88K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jun 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 2 leases this well is completed on; they carry 2 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Mahoney-Shannon O-3-22663 | Kurten (Austin Chalk) | Texas State Oil Co. | 1 | 666 | 1.03K | Dec 1994 – Jun 1997 |
| Mahoney-Shannon O-3-16142 | Kurten (Woodbine) | Texas State Oil Co. | 1 | 547 | 1.86K | Jan 1993 – Jun 1995 |
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.
- 1Mabry, F. C.Jan 1993 → Jun 1993
- 2Chenango Oil and Gas Co.Jul 1993 → Oct 1994
- 3Texas State Oil Co.Nov 1994 → Apr 1996
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 419455-99 | Recompletion | Chenango Oil and Gas Co. | Dec 17, 1993 | Dec 27, 1993 | Dec 7, 1994 | 8,050 |
| 263171-99 | Recompletion | Penta Energy Corporation | Dec 31, 1984 | Dec 31, 1984 | — | 8,789 |
| 218652-99 | Recompletion | Penta Energy Corporation | Oct 17, 1983 | Oct 26, 1983 | — | 8,789 |
| 196424-99 | Recompletion | Penta Energy Corporation | Aug 22, 1983 | May 25, 1983 | — | 8,789 |
| 167574-99 | Drill | Penta Energy Corporation | Jul 26, 1982 | Jul 28, 1982 | Aug 2, 1982 | 9,300 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-3-16142 | — | — | — | — |
| — | — O-3-22663 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 285 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Austin Chalk | 7,960 | -7,675 |
| WoodbineWOODBINE A | 8,075 | -7,790 |
| WoodbineWOODBINE B | 8,135 | -7,850 |
| WoodbineWOODBINE C | 8,210 | -7,925 |
| Buda | 8,612 | -8,327 |
| Georgetown | 8,720 | -8,435 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,992 | 7,998 | Perforated |
| 8,005 | 8,020 | Perforated |
| 8,138 | 8,520 | Perforated |
| 8,622 | 8,700 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 3,545 | 12.25 | 1,315 S |
| 2.375 | 8,525 | — | — |
| 2.375 | 8,709 | — | — |
| 5.5 | 8,842 | 8.75 | — |
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 | Apr 18, 1995 | Jan 27, 1995 | Yes |
| 00 | Apr 3, 1995 | Oct 17, 1983 | — |
| 00 | Jan 12, 1984 | Oct 17, 1983 | — |
| 00 | Jan 12, 1984 | Sep 16, 1982 | — |
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 42-041-30790 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-041-30790 → 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/04130790, documented in the API reference.