TEXAS · WELLS · ANDREWS COUNTY · API 42-003-41160 · DISTRICT 7B

Uls Cdu 6-5 #504

Y

Andrews County · Glasco East (Strawn) field · Producing  · Vertical

Uls Cdu 6-5 #504 (API 42-003-41160) is a well in Andrews County operated by Sabalo II Operating LLC, completed June 15, 2011 and listed as producing on the RRC schedule.

The RRC has issued 2 drilling permits between 2009 and 2011, permitted to 11,410 ft.

It was permitted by Devon Energy Production CO, L.P. and has since transferred to Sabalo II Operating LLC on the wellbore schedule.

Completion filings report 9 formation tops, including Clear Fork, T. Clearfork, Spraberry, T. Spraberry.

Its 2 leases have reported 58K barrels of oil and 60K mcf of gas since September 2009, last reporting in July 2026. The leases carry 7 wells, so these are lease totals, not this well alone.

Operator of record

Sabalo II Operating LLC

Permitted by Devon Energy Production Co, L.P.; the EWA schedule now lists a different operator.

Based in
Corpus Chrsti, TX
P-5 status
Active (A)
P-5 last filed
Feb 25, 2026
Permits on file
73
Phone
(361) 888-7708

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleSabalo II Operating LLC
Production reportsSabalo II Operating, LLCthrough Apr 2026
Latest permitDevon Energy Production Co, L.P.May 2, 2011

The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.

11,410
total depth, ft
2
permits on file
May 2, 2011
last permit issued
Jun 15, 2011
completed
58K
cumulative oil, bbl
60K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Sep 2009 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Jun 15, 2011
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 2 leases this well is completed on; they carry 7 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Uls Cdu 6-5 O-10-41453Glasco, East (Strawn)Sabalo II Operating, LLC245.3K42.7KMar 2011 – Jul 2026
Uls Cdu 6-5 O-10-39778Spraberry (Trend Area)Devon Energy Production Co, L.P.512.7K17.3KSep 2009 – Jun 2012

Oil, barrels lease total

Last 12 months 1,649 · prior 12 1,827(-10%)

0100200300202420252026

Gas, mcf lease total

Last 12 months 1,633 · prior 12 2,512(-35%)

0200400600202420252026

Chain of custody

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

  1. 1Henry Resources LLCSep 2009 → Aug 2010
  2. 2Devon Energy Production Co, L.P.Sep 2010 → Aug 2016
  3. 3Pioneer Natural Res. USA, Inc.Sep 2016 → Jan 2017
  4. 4Zarvona Energy LLCFeb 2017 → Sep 2025
  5. 5Sabalo II Operating, LLCOct 2025 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
715152-99RecompletionDevon Energy Production Co, L.P.Apr 27, 2011May 2, 2011Feb 25, 201111,410
684893-99DrillHenry Resources LLCSep 9, 2009Sep 9, 2009Sep 29, 200911,500

Completions

CompletedLeaseFieldOperatorStatusDepth
Jun 15, 2011Uls Cdu 6-5 O-10-41453Glasco East (Strawn)Sabalo II Operating LLCProducing11,410
Mar 12, 2011Uls Cdu 6-5 O-10-41453Glasco East (Strawn)Sabalo II Operating LLCNot on Schedule—
Oct 15, 2009Uls Cdu 6-5 O-10-39778Spraberry (Trend Area)Devon Energy Production Co L.P.Not on Schedule—

Formation tops

As filed on W-2/G-1. Subsea from 3,111 ft elevation.Download CSV →

FormationMD ftSubsea
Clear Fork6,525-3,414
T. Clearfork6,525-3,414
Spraberry8,565-5,454
T. Spraberry8,565-5,454
Dean9,670-6,559
T. Dean9,670-6,559
T. Wolfcamp9,950-6,839
Wolfcamp9,950-6,839
Strawn11,167-8,056

Perforations

Perforated and open-hole intervals.

FromToType
11,16711,303Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6251,79512.25945 S
5.511,4108.75610 S
5.5—8.75570 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
00Jul 30, 2012Aug 23, 2011—
00May 14, 2012May 4, 2011—
00Jul 27, 2010Mar 2, 2010Yes
00Jun 25, 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.

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/00341160, documented in the API reference.