WELL · 42-003-38339 · DISTRICT 8

Southwest Andrews Unit #5518N

Y

Andrews County · Andrews (Wolfcamp-Penn.) field · Injection  · Vertical

Southwest Andrews Unit #5518N (API 42-003-38339) is a well in Andrews County operated by Morningstar Operating LLC, completed June 26, 1998 and listed as injection on the RRC schedule.

The RRC has issued one drilling permit, issued December 30, 1997, permitted to 9,300 ft.

It was permitted by Union Oil Company Of California and has since transferred to Morningstar Operating LLC on the wellbore schedule.

Completion filings report 5 formation tops, including Rustler, Yates, San Andres, Wolfcamp.

Its lease has reported 2.48M barrels of oil and 3.87M mcf of gas since December 1997, last reporting in July 2026. The lease carries 37 wells, so these are lease totals, not this well alone.

It holds an active disposal or injection permit, with 13.6K barrels injected in the 12 months reported through February 2026.

Operator of record

Morningstar Operating LLC

Permitted by Union Oil Company of California; the EWA schedule now lists a different operator.

Fort Worth, TX · P-5 Y, filed Nov 4, 2025 · 12 permits on file · (817) 320-7919

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleMorningstar Operating LLC
Production reportsMorningstar Operating LLCthrough Apr 2026
Latest permitUnion Oil Company of CaliforniaDec 30, 1997

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

9,300
total depth, ft
1
permits on file
Dec 30, 1997
last permit issued
Jun 26, 1998
completed
2.48M
cumulative oil, bbl
3.87M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Dec 1997 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Jun 26, 1998
Shut in
—
Plugged
—

Operator's P-5 on the schedule: Active

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 37 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Southwest Andrews Unit O-10-35543Andrews (Wolfcamp-Penn.)Morningstar Operating LLC372.48M3.87MDec 1997 – Jul 2026

Oil, barrels lease total

Last 12 months 50,794 · prior 12 44,560(+14%)

05K10K202420252026

Gas, mcf lease total

Last 12 months 16,189 · prior 12 37,096(-56%)

05K10K202420252026

Chain of custody

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

  1. 1Union Oil Company of CaliforniaDec 1997 → May 2000
  2. 2Pure Resources, L.P.Jun 2000 → Mar 2006
  3. 3Chevron Midcontinent, L.P.Apr 2006 → Dec 2021
  4. 4Morningstar Partners, L.P.Jan 2022 → Apr 2022
  5. 5Morningstar Operating LLCMay 2022 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
471338-99DrillUnion Oil Company of CaliforniaDec 17, 1997Dec 30, 1997May 7, 19989,300

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-10-35543————

Formation tops

As filed on W-2/G-1. Subsea from 3,206 ft elevation.Download CSV →

FormationMD ftSubsea
Rustler1,9221,284
Yates3,067139
San Andres4,615-1,409
Wolfcamp8,568-5,362
Canyon9,091-5,885

Perforations

Perforated and open-hole intervals.

FromToType
8,5859,136Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
8.6251,90012.251,000 S
5.59,4257.875500 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
00Nov 23, 1998Jul 23, 1998—
00Oct 9, 1998——

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.

Beyond the permit record

RRC UIC permits · H-10 reported volumes

Injection

13.6K
bbl, last 12 reported months
1.53M
bbl, all reported
Feb 2026
reported through
UICKindStatusPermitted bbl/dMax psiZone ft
000087450H-1 InjectionActive2,5003,0008,200–9,300

MONTHLY INJECTED, BBL · H-10 · LAST 24 REPORTED MONTHS

Last 12 months 13,613 · prior 12 23,298(-42%)

02K4K20252026

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/00338339, documented in the API reference.