TEXAS · WELLS · SUTTON COUNTY · MAYFIELD 40 LEASE · API 42-435-33517 · DISTRICT 6E
Mayfield 40 #3
Sutton County · Sawyer (Canyon) field · Producing · Vertical
Mayfield 40 #3 (API 42-435-33517) is a well in Sutton County operated by Upp Operating LLC, completed December 8, 1989 and listed as producing on the RRC schedule, shut in October 1, 2025.
The RRC has issued one drilling permit, issued November 1, 1989, permitted to 7,400 ft.
It was permitted by American Exploration Company and has since transferred to Upp Operating LLC on the wellbore schedule.
Completion filings report one formation top, including Canyon.
Its lease has reported 178 barrels of oil and 339K mcf of gas since January 1993, last reporting volume in September 2025.
Operator of record
Permitted by American Exploration Company; the EWA schedule now lists a different operator.
- Based in
- Houston, TX
- P-5 status
- Active (A)
- P-5 last filed
- Mar 6, 2026
- Permits on file
- 33
- Phone
- (713) 495-5300
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Upp Operating LLC |
| Production reports | Upp Operating, LLCthrough Sep 2025 |
| Latest permit | American Exploration CompanyNov 1, 1989 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 7,400
- total depth, ft
- 1
- permits on file
- Nov 1, 1989
- last permit issued
- Dec 8, 1989
- completed
- 178
- cumulative oil, bbl
- 339K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Sep 2025
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Dec 8, 1989
- Shut in
- Oct 1, 2025
- Plugged
- —
Operator's P-5 on the schedule: Active (A)
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 |
|---|---|---|---|---|---|---|
| Mayfield 40 G-9-132967 | Sawyer (Canyon) | Upp Operating, LLC | 1 | 178 | 339K | Jan 1993 – Sep 2025 |
Gas, mcf lease total
Last 12 months 499 · prior 12 1,445(-65%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1American Exploration CompanyJan 1993 → Jul 1995
- 2Dreyfus, Louis Natural Gas CorpAug 1995 → 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 → Mar 2019
- 6Upp Operating, LLCApr 2019 → Sep 2025
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 365769-99 | Drill | American Exploration Company | Oct 30, 1989 | Nov 1, 1989 | — | 7,900 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Dec 8, 1989 | Mayfield 40 G-9-132967 | Sawyer (Canyon) | Upp Operating LLC | Producing · shut in Oct 1, 2025 | 7,400 |
Formation tops
As filed on W-2/G-1. Subsea from 2,179 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 6,834 | 6,916 | Perforated |
| 6,984 | 7,086 | Perforated |
| 7,137 | 7,219 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 2,011 | 11 | 625 S |
| 4.5 | 7,376 | 7.875 | 380 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. The record date is the RRC's own date on the record, not the day the report was filed: 462,034 of the state's filings carry 1984-01-12. About these reports →
| Suffix | RRC record date | W-2 / G-1 date | Logs referenced |
|---|---|---|---|
| 00 | Feb 12, 1990 | Jan 4, 1990 | Yes |
| 00 | Feb 1, 1990 | — | — |
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 42-435-33517 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-435-33517 → scanned completion filings
Log images filed since 2004 open from the RRC's log search for this well; none are loaded here for it.
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/43533517, documented in the API reference.