TEXAS · WELLS · SUTTON COUNTY · MAYER RANCH L LEASE · API 42-435-33109 · DISTRICT 6E
Mayer Ranch L #11
Sutton County · Sawyer (Canyon) field · Producing · Vertical
Mayer Ranch L #11 (API 42-435-33109) is a well in Sutton County operated by Upp Operating LLC, completed August 2, 1984 and listed as producing on the RRC schedule, shut in October 1, 2024.
The RRC has issued one drilling permit, issued April 13, 1984, permitted to 7,400 ft.
It was permitted by Statex Petroleum Inc. and has since transferred to Upp Operating LLC on the wellbore schedule.
Completion filings report 3 formation tops, including Base Cretaceous (marker), Wolf Camp, Canyon.
Its lease has reported 57 barrels of oil and 148K mcf of gas since the record begins in January 1993, last reporting volume in March 2026.
Operator of record
Permitted by Statex Petroleum Inc.; 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 Mar 2026 |
| Latest permit | Statex Petroleum Inc.Apr 13, 1984 |
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
- Apr 13, 1984
- last permit issued
- Aug 2, 1984
- completed
- 57
- cumulative oil, bbl
- 148K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · ON RECORD FROM JAN 1993, THE RECORD'S FIRST MONTH, THROUGH MAR 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Aug 2, 1984
- Shut in
- Oct 1, 2024
- 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.
Wells nearby
Every well with a location on file around this well, in any state, nearest first.
Texas locations come from drilling permits, so most older Texas wells have none and are not listed.
Lease production
PDQ LEASE REPORTS · REPORTED THROUGH AUG 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 Ranch L G-9-112808 | Sawyer (Canyon) | Upp Operating, LLC | 1 | 57 | 148K | by Jan 1993 – Mar 2026 |
Gas, mcf lease total
Last 12 months 3 · prior 12 1(+200%)
Wells named Mayer Ranch L
Upp Operating LLC's other wells filed under this lease name in Sutton County, newest permit first. The RRC gives a gas well its own lease number, so the name is what joins the wells of a unit.
Loading the lease's wellsChain 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 → Mar 2019
- 6Upp Operating, LLCApr 2019 → Mar 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 236464-99 | Drill | Statex Petroleum Inc. | May 2, 1984 | Apr 13, 1984 | May 18, 1984 | 7,900 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Aug 2, 1984 | Mayer Ranch L G-9-112808 | Sawyer (Canyon) | Upp Operating LLC | Producing · shut in Oct 1, 2024 | 7,400 |
Formation tops
As filed on W-2/G-1. Subsea from 2,313 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Base Cretaceous (marker)BASE CRETACEOUS | 595 | 1,718 |
| Wolf Camp | 4,732 | -2,419 |
| CanyonCANYON SD | 6,565 | -4,252 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 6,579 | 6,671 | Perforated |
| 6,715 | 6,797 | Perforated |
| 6,875 | 7,111 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 1,222 | 12.25 | 620 S |
| 4.5 | 7,405 | 7.875 | 490 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 | Oct 23, 1984 | Sep 24, 1984 | — |
| 00 | Oct 11, 1984 | — | — |
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 42-435-33109 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-435-33109 → 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/43533109, documented in the API reference.