WELL · 42-461-35986 · DISTRICT 7
McElroy Ranch 136 #1
Upton County · Spraberry (Trend Area) field · Vertical
Mcelroy Ranch 136 #1 (API 42-461-35986) is a well in Upton County operated by TS Oil LLC, completed December 1, 2008.
The RRC has issued one drilling permit, issued July 16, 2008, permitted to 10,300 ft.
It was permitted by Mewbourne Oil Company and has since transferred to TS Oil LLC on the wellbore schedule.
Completion filings report 7 formation tops, including Yates, Queen, San Andres, Clear Fork.
Its lease has reported 161K barrels of oil and 1.82M mcf of gas since December 2008, last reporting in July 2026. The lease carries 3 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Mewbourne Oil Company; the EWA schedule now lists a different operator.
River Oaks, TX · P-5 Y, filed Dec 4, 2025 · 1 permits on file · (817) 688-3435
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | TS Oil LLC |
| Production reports | TS Oil, LLCthrough Apr 2026 |
| Latest permit | Mewbourne Oil CompanyJul 16, 2008 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 10,300
- total depth, ft
- 1
- permits on file
- Jul 16, 2008
- last permit issued
- Dec 1, 2008
- completed
- 161K
- cumulative oil, bbl
- 1.82M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Dec 2008 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Dec 1, 2008
- 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; they carry 3 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| McElroy Ranch "136" O-9-16805 | Spraberry (Trend Area) | TS Oil, LLC | 3 | 161K | 1.82M | Dec 2008 – Jul 2026 |
Gas, mcf lease total
Last 12 months 35,906 · prior 12 28,701(+25%)
Oil, barrels lease total
Last 12 months 0 · prior 12 9(-100%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Mewbourne Oil CompanyDec 2008 → Jul 2019
- 2Summit Petroleum LLCAug 2019 → Aug 2021
- 3GTG Operating, LLCSep 2021 → Feb 2024
- 4TS Oil, LLCMar 2025 → Mar 2025
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 665298-99 | Drill | Mewbourne Oil Company | Jun 25, 2008 | Jul 16, 2008 | Oct 5, 2008 | 10,300 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-9-16805 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,755 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Yates | 2,701 | 54 |
| Queen | 3,495 | -740 |
| San Andres | 4,872 | -2,117 |
| Clear ForkCLEARFORK | 6,928 | -4,173 |
| Spraberry | 6,928 | -4,173 |
| SpraberryUPPER SPRABERRY | 7,150 | -4,395 |
| SpraberryLOWER SPRABERRY | 8,000 | -5,245 |
| Dean | 8,555 | -5,800 |
| WolfcampUPPER WOLFCAMP | 8,684 | -5,929 |
| WolfcampLOWER WOLFCAMP | 9,048 | -6,293 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 6,928 | 7,392 | Perforated |
| 7,517 | 8,194 | Perforated |
| 8,376 | 9,136 | Perforated |
| 9,314 | 9,801 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 515 | 12.25 | 350 S |
| 4.5 | 9,932 | 7.875 | 1,051 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 | Aug 14, 2026 | Jul 16, 2026 | — |
| 00 | Jun 30, 2026 | Jun 2, 2026 | — |
| 00 | Feb 17, 2009 | Dec 30, 2008 | Yes |
| 00 | Jan 29, 2009 | — | — |
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 42-461-35986 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-461-35986 → scanned completion filings
Log images are in archives with no per-well link: the RRC's Neubus archive (2004 onward) and the University Lands library. 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/46135986, documented in the API reference.