WELL · 42-435-31297 · DISTRICT 7
Mayer, Edwin S., Jr. "C" #12
Sutton County · Vertical
Mayer, Edwin S., JR. "C" #12 (API 42-435-31297) is a permitted well in Sutton County filed by Amoco Production Company; no completion report is on file yet.
The RRC has issued 3 drilling permits between 1977 and 1980, permitted to 8,300 ft.
Operator of record
Houston, TX · P-5 Y, filed May 7, 2004 · 7,201 permits on file
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | none |
| Production reports | Upp Operating, LLCthrough Apr 2026 |
| Latest permit | Amoco Production CompanyMay 19, 1980 |
- 8,300
- total depth, ft
- 3
- permits on file
- May 19, 1980
- last permit issued
- —
- completed
- 0
- cumulative oil, bbl
- 61.7K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
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 |
|---|---|---|---|---|---|---|
| Mayer, Edwin S. Jr. "C" G-9-78448 | Sawyer (Canyon) | Upp Operating, LLC | 1 | 0 | 61.7K | Jan 1993 – Jul 2026 |
Gas, mcf lease total
Last 12 months 136 · prior 12 86(+58%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Graham Royalty, Ltd.Jan 1993 → Oct 1993
- 2Dreyfus, Louis Natural Gas CorpNov 1993 → Nov 2001
- 3Dominion Oklahoma Texas E&P, IncDec 2001 → Dec 2007
- 4Highmount Expl & Prod Texas LLCJan 2008 → Sep 2014
- 5Enervest Operating, L.L.C.Oct 2014 → Dec 2018
- 6Upp Operating, LLCDec 2019 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 81484-99 | Other | Amoco Production Company | May 19, 1980 | May 19, 1980 | — | 8,105 |
| 20642-99 | Recompletion | Amoco Production Company | Mar 23, 1978 | Mar 23, 1978 | — | 8,105 |
| 9961-99 | Drill | Amoco Production Company | Oct 17, 1977 | Oct 17, 1977 | — | 8,300 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-9-78448 | — | — | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 6,406 | 7,706 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 1,057 | 11 | 500 S |
| 2.375 | 6,664 | — | — |
| 4.5 | 7,895 | — | 25 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 | Sep 19, 1978 | — |
| 00 | Jan 12, 1984 | Oct 13, 1977 | — |
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 42-435-31297 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-435-31297 → 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/43531297, documented in the API reference.