WELL · 42-461-35637 · DISTRICT 7
Quail Ranch #1571
Upton County · Spraberry (Trend Area) field · Producing · Vertical
Quail Ranch #1571 (API 42-461-35637) is a well in Upton County operated by TS Oil LLC, completed July 11, 2008 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued January 7, 2008, permitted to 11,000 ft.
It was permitted by Mewbourne Oil Company and has since transferred to TS Oil LLC on the wellbore schedule.
Completion filings report 5 formation tops, including Yates, Queen, San Andres, Clear Fork.
Its lease has reported 133K barrels of oil and 950K mcf of gas since April 2008, last reporting in July 2026. The lease carries 5 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.
- Based in
- River Oaks, TX
- P-5 status
- Active (A)
- P-5 last filed
- Mar 9, 2026
- Permits on file
- 1
- Phone
- (817) 928-5915
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 CompanyJan 7, 2008 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 11,000
- total depth, ft
- 1
- permits on file
- Jan 7, 2008
- last permit issued
- Jul 11, 2008
- completed
- 133K
- cumulative oil, bbl
- 950K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Apr 2008 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Jul 11, 2008
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active – Extension (X)
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 5 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Quail Ranch O-9-16545 | Spraberry (Trend Area) | TS Oil, LLC | 5 | 133K | 950K | Apr 2008 – Jul 2026 |
Gas, mcf lease total
Last 12 months 11,893 · prior 12 10,295(+16%)
Oil, barrels lease total
Last 12 months 710 · prior 12 1,619(-56%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Mewbourne Oil CompanyApr 2008 → Jul 2019
- 2Summit Petroleum LLCAug 2019 → Aug 2021
- 3GTG Operating, LLCSep 2021 → Feb 2025
- 4TS Oil, LLCMar 2025 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 652092-99 | Drill | Mewbourne Oil Company | Dec 27, 2007 | Jan 7, 2008 | May 25, 2008 | 11,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-9-16545 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,701 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Yates | 2,630 | 71 |
| Queen | 3,383 | -682 |
| San Andres | 4,519 | -1,818 |
| Clear ForkCLEARFORK | 6,089 | -3,388 |
| Spraberry | 6,563 | -3,862 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,232 | 8,500 | Perforated |
| 8,705 | 9,010 | Perforated |
| 9,168 | 9,335 | Perforated |
| 9,562 | 10,680 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 650 | 12.25 | 295 S |
| 5.5 | 10,790 | 8.75 | 1,700 S |
| 5.5 | — | 8.75 | 650 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 | Sep 22, 2008 | Aug 8, 2008 | Yes |
| 00 | Aug 13, 2008 | — | — |
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 42-461-35637 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-461-35637 → 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/46135637, documented in the API reference.