WELL · 42-461-35981 · DISTRICT 7

Windham R. S. #8

Y

Upton County · Spraberry (Trend Area) field · Producing  · Vertical

Windham R. S. #8 (API 42-461-35981) is a well in Upton County operated by Southwest Royalties Inc., completed November 21, 2008 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit, issued July 16, 2008, permitted to 11,000 ft.

Completion filings report 5 formation tops, including Leonardian, U. Spraberry, L. Spraberry, Wolfcamp.

Its lease has reported 226K barrels of oil and 2.97M mcf of gas since June 2008, last reporting in July 2026. The lease carries 4 wells, so these are lease totals, not this well alone.

Operator of record

Southwest Royalties Inc.

Based in
Midland, TX
P-5 status
Active (A)
P-5 last filed
Jan 6, 2026
Permits on file
497
Phone
(432) 685-9038

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleSouthwest Royalties Inc.
Production reportsSouthwest Royalties, Inc.through Apr 2026
Latest permitSouthwest Royalties, Inc.Jul 16, 2008
11,000
total depth, ft
1
permits on file
Jul 16, 2008
last permit issued
Nov 21, 2008
completed
226K
cumulative oil, bbl
2.97M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jun 2008 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Nov 21, 2008
Shut in
—
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; they carry 4 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Windham, R. S. O-9-16652Spraberry (Trend Area)Southwest Royalties, Inc.4226K2.97MJun 2008 – Jul 2026

Gas, mcf lease total

Last 12 months 71,301 · prior 12 98,014(-27%)

05K10K202420252026

Oil, barrels lease total

Last 12 months 2,524 · prior 12 3,790(-33%)

0200400600202420252026

Chain of custody

Every operator that reported production on this well's lease, in order.

  1. 1Southwest Royalties, Inc.Jun 2008 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
665243-99DrillSouthwest Royalties, Inc.Jun 24, 2008Jul 16, 2008Aug 10, 200811,000

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-9-16652————

Formation tops

As filed on W-2/G-1. Subsea from 2,827 ft elevation.Download CSV →

FormationMD ftSubsea
Leonardian6,440-3,613
U. Spraberry7,048-4,221
L. Spraberry7,465-4,638
Wolfcamp8,000-5,173
Strawn9,715-6,888

Perforations

Perforated and open-hole intervals.

FromToType
7,48010,154Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.37546917.5450 S
8.6255,018112,100 S
5.510,3537.8751,155 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 →

SuffixFiledW-2 / G-1 dateLogs referenced
00Mar 16, 2009Feb 10, 2009Yes
00Mar 4, 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.

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/46135981, documented in the API reference.