TEXAS · WELLS · SUTTON COUNTY · MAYFIELD 34 LEASE · API 42-435-33518 · DISTRICT 6E
Mayfield 34 #6
Sutton County · Sawyer (Canyon) field · Producing · Vertical
- Permitted field
- Fawcett (Wolfcamp)
Mayfield 34 #6 (API 42-435-33518) is a well in Sutton County operated by Upp Operating LLC, completed January 11, 1990 and listed as producing on the RRC schedule, shut in February 1, 2025.
The RRC has issued 2 drilling permits between 1989 and 2000, permitted to 7,260 ft.
It was permitted by Dreyfus, Louis Natural Gas Corp and has since transferred to Upp Operating LLC on the wellbore schedule.
Completion filings report one formation top, including Canyon.
Its lease has reported 2.13K barrels of oil and 159K mcf of gas since January 1993, last reporting volume in January 2025.
Operator of record
Permitted by Dreyfus, Louis Natural Gas Corp; 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 Jan 2025 |
| Latest permit | Dreyfus, Louis Natural Gas CorpJun 23, 2000 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 7,260
- total depth, ft
- 2
- permits on file
- Jun 23, 2000
- last permit issued
- Jan 11, 1990
- completed
- 2.13K
- cumulative oil, bbl
- 159K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jan 2025
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Jan 11, 1990
- Shut in
- Feb 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 34 G-9-133261 | Sawyer (Canyon) | Upp Operating, LLC | 1 | 2.13K | 159K | Jan 1993 – Jan 2025 |
Gas, mcf lease total
Last 12 months 0 · prior 12 1,398(-100%)
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 → May 2000
- 3Dominion Oklahoma Texas E&P, IncDec 2006 → Dec 2007
- 4Highmount Expl & Prod Texas LLCJan 2008 → Sep 2014
- 5Enervest Operating, L.L.C.Oct 2014 → Dec 2018
- 6Upp Operating, LLCApr 2019 → Jan 2025
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 496520-99 | Recompletion | Dreyfus, Louis Natural Gas Corp | Jun 23, 2000 | Jun 23, 2000 | — | 4,080 |
| 365767-99 | Drill | American Exploration Company | Oct 30, 1989 | Nov 1, 1989 | — | 7,750 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Jan 11, 1990 | Mayfield 34 G-9-133261 | Sawyer (Canyon) | Upp Operating LLC | Producing · shut in Feb 1, 2025 | 7,260 |
Formation tops
As filed on W-2/G-1. Subsea from 2,156 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 6,295 | 6,359 | Perforated |
| 6,966 | 7,147 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 1,991 | 11 | 700 S |
| 4.5 | 7,250 | 7.875 | 1,080 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 27, 1990 | Feb 2, 1990 | Yes |
| 00 | Feb 10, 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 42-435-33518 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-435-33518 → 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/43533518, documented in the API reference.