TEXAS · WELLS · SUTTON COUNTY · MAYER RANCH 40 LEASE · API 42-435-39227 · DISTRICT 6E
Mayer Ranch 40 #5
Sutton County · Sawyer (Canyon) field · Temp Abandoned · Vertical
Mayer Ranch 40 #5 (API 42-435-39227) is a well in Sutton County operated by Upp Operating LLC, completed February 4, 2010 and listed as temp abandoned on the RRC schedule, shut in December 1, 2013.
The RRC has issued one drilling permit, issued November 12, 2009, permitted to 8,298 ft.
It was permitted by Highmount Expl & Prod Texas LLC and has since transferred to Upp Operating LLC on the wellbore schedule.
Completion filings report 4 formation tops, including Base Cretaceous (marker), Wolfcamp, Canyon, Strawn.
Its lease has reported 449 barrels of oil and 3.97K mcf of gas since February 2010, with no volume in the three years through April 2026.
Operator of record
Permitted by Highmount Expl & Prod Texas LLC; 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 May 2022 |
| Latest permit | Highmount Expl & Prod Texas LLCNov 12, 2009 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 8,298
- total depth, ft
- 1
- permits on file
- Nov 12, 2009
- last permit issued
- Feb 4, 2010
- completed
- 449
- cumulative oil, bbl
- 3.97K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Feb 2010 THROUGH May 2022
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Feb 4, 2010
- Shut in
- Dec 1, 2013
- 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 |
|---|---|---|---|---|---|---|
| Mayer Ranch 40 G-9-255273 | Sawyer (Canyon) | Upp Operating, LLC | 1 | 449 | 3.97K | Feb 2010 – May 2022 |
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.
- 1Highmount Expl & Prod Texas LLCFeb 2010 → Nov 2013
- 2Enervest Operating, L.L.C.Nov 2014 → Aug 2016
- 3Upp Operating, LLCJul 2019 → Dec 2020
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 687037-99 | Drill | Highmount Expl & Prod Texas LLC | Nov 5, 2009 | Nov 12, 2009 | Nov 27, 2009 | 8,550 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Feb 4, 2010 | Mayer Ranch 40 G-9-255273 | Sawyer (Canyon) | Upp Operating LLC | Temp Abandoned · shut in Dec 1, 2013 | 8,298 |
Formation tops
As filed on W-2/G-1. Subsea from 2,235 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Base Cretaceous (marker)BASE CRETACEOUS | 1,097 | 1,138 |
| Wolfcamp | 4,145 | -1,910 |
| Canyon | 7,186 | -4,951 |
| Strawn | 8,088 | -5,853 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,188 | 7,394 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 1,101 | 11 | 350 S |
| 4.5 | 7,550 | 7.875 | 400 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 | Jun 17, 2010 | Apr 6, 2010 | Yes |
| 00 | Apr 9, 2010 | — | — |
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 42-435-39227 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-435-39227 → 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/43539227, documented in the API reference.