TEXAS · WELLS · ANDREWS COUNTY · ANDREWS UNIVERSITY 21 LEASE · API 42-003-41035 · DISTRICT 7B

Andrews University 21 #3

Y

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

Andrews University 21 #3 (API 42-003-41035) is a well in Andrews County operated by Sabalo II Operating LLC, completed October 28, 2009 and listed as producing on the RRC schedule.

The RRC has issued 2 drilling permits between 2009 and 2010, permitted to 11,405 ft.

It was permitted by Williams, Clayton Energy, Inc. and has since transferred to Sabalo II Operating LLC on the wellbore schedule.

Completion filings report 6 formation tops, including Clear Fork, Spraberry, Dean, Wolfcamp.

Its lease has reported 518K barrels of oil and 1.53M mcf of gas since February 2008, last reporting volume in April 2026. The lease carries 12 wells, so these are lease totals, not this well alone.

Operator of record

Sabalo II Operating LLC

Permitted by Williams, Clayton Energy, Inc.; 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 permitWilliams, Clayton Energy, Inc.Jun 11, 2010

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

11,405
total depth, ft
2
permits on file
Jun 11, 2010
last permit issued
Oct 28, 2009
completed
518K
cumulative oil, bbl
1.53M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Feb 2008 THROUGH Apr 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Oct 28, 2009
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 12 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Andrews University 21 O-10-38731Spraberry (Trend Area)Sabalo II Operating, LLC12518K1.53MFeb 2008 – Apr 2026

Gas, mcf lease total

Last 12 months 27,115 · prior 12 24,892(+9%)

02K4K6K202420252026

Oil, barrels lease total

Last 12 months 1,954 · prior 12 2,276(-14%)

05001K202420252026

Chain of custody

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

  1. 1Williams, Clayton Energy, Inc.Feb 2008 → Mar 2017
  2. 2NBL Permian LLCApr 2017 → Sep 2017
  3. 3Throne Petroleum Resources LLCOct 2017 → Aug 2021
  4. 4Montrose Operating LLCSep 2021 → May 2024
  5. 5Sabalo II Operating, LLCJun 2024 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
697416-99RecompletionWilliams, Clayton Energy, Inc.Jun 10, 2010Jun 11, 2010Aug 29, 200911,500
681886-99DrillWilliams, Clayton Energy, Inc.Jun 5, 2009Jun 8, 2009Aug 29, 200911,500

Completions

CompletedLeaseFieldOperatorStatusDepth
Oct 28, 2009Andrews University 21 O-10-38731Spraberry (Trend Area)Sabalo II Operating LLCProducing11,405

Formation tops

As filed on W-2/G-1. Subsea from 3,015 ft elevation.Download CSV →

FormationMD ftSubsea
Clear Fork6,990-3,975
Spraberry8,628-5,613
Dean9,600-6,585
Wolfcamp9,812-6,797
Strawn11,050-8,035
Atoka11,261-8,246

Perforations

Perforated and open-hole intervals.

FromToType
7,36811,260Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.37543017.5440 S
8.6255,006111,310 S
5.511,4057.875950 S
5.5—7.875550 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 →

SuffixRRC record dateW-2 / G-1 dateLogs referenced
00Aug 4, 2010Nov 19, 2009Yes
00May 27, 2010——

Well logs

1 log loaded from the RRC's log index, the latest received Oct 1, 2012. Neutron. These are the logs loaded into Petrora from the Railroad Commission's inventories, not necessarily every log run on the well. The RRC holds the files; each opens from its log search for the well. The kind is the RRC's description of the log; the interval is the one filed for it.

Open the RRC's log search for this well ↗
Logas describedFiles Intervalft, as filedDatereceivedSizeMB
NEUTRON POROSITYSpans Clear Fork, Spraberry, Dean, Wolfcamp, Strawn, AtokaTIFF200 to 11,306Oct 1, 2012run Sep 30, 20095.53

"Spans" is by this well's own filed formation tops: a formation runs from its top to the next deeper top filed, and the deepest runs to the bottom of the log. Depths are measured along the wellbore, so on a horizontal the lateral counts in the formation it was landed in.

Find logs withinmiles of this well:List →Map →

Search the well logs loaded into Petrora →

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.

The logs loaded for this well are under Well logs, with the RRC's log search for it. The University Lands library has no per-well link: then paste it into its 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/00341035, documented in the API reference.