WELL · 42-505-33801 · DISTRICT 4

Guerra Avelina #5A

N

Zapata County · Lopeno (Consolidated) field  · Horizontal · Directional

Guerra Avelina #5A (API 42-505-33801) is a horizontal well in Zapata County operated by Xto Energy Inc., completed October 20, 1998.

The RRC has issued 2 drilling permits between 1998 and 1999, permitted to 12,500 ft.

It was permitted by Pioneer Natural Res. USA, Inc. and has since transferred to Xto Energy Inc. on the wellbore schedule.

Completion filings report 6 formation tops, including L-15, L-18, L-20, L-21.

No lease production has been reported under this well’s leases.

Operator of record

XTO Energy Inc.

Permitted by Pioneer Natural Res. USA, Inc.; the EWA schedule now lists a different operator.

Based in
Spring, TX
P-5 status
Active – Extension (X)
P-5 last filed
Apr 8, 2026
Permits on file
16,156
Phone
(346) 502-1572

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleXTO Energy Inc.
Production reportsVantage Operating II, LLCthrough Apr 2026
Latest permitPioneer Natural Res. USA, Inc.Jan 26, 1999

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

12,500
total depth, ft
2
permits on file
Jan 26, 1999
last permit issued
Oct 20, 1998
completed
0
cumulative oil, bbl
3.67M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Aug 1998 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Oct 20, 1998
Shut in
—
Plugged
—

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 4 leases this well is completed on; they carry 4 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Guerra, Avelina G-4-170486Lopeno (Wilcox 10,200)Vantage Operating II, LLC103.31MAug 1998 – Jul 2026
Guerra, Avelina G-4-172669Lopeno (Wilcox 9550)Dominion Expl. & Prod., Inc.10367KOct 1998 – Nov 2006
Guerra, Avelina G-4-172664Lopeno (Wilcox I)Dominion Expl. & Prod., Inc.100Aug 1998 – Jun 2005
Guerra, Avelina G-4-172670Lopeno (Wilcox 9950)Dominion Expl. & Prod., Inc.100Oct 1998 – Jun 2005

Gas, mcf lease total

Last 12 months 712 · prior 12 814(-13%)

0100200202420252026

Chain of custody

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

  1. 1Pioneer Natural Res. USA, Inc.Aug 1998 → Jul 1999
  2. 2CNG Producing CompanyAug 1999 → May 2000
  3. 3Dominion Expl. & Prod., Inc.Jun 2000 → Jul 2007
  4. 4XTO Energy Inc.Aug 2007 → Mar 2020
  5. 5Vantage Operating II, LLCSep 2021 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
482269-99RecompletionPioneer Natural Res. USA, Inc.Jan 26, 1999Jan 26, 1999Apr 26, 199812,500
475604-99DrillPioneer Natural Res. USA, Inc.Apr 23, 1998Apr 23, 1998Apr 26, 199812,500

Completions

CompletedLeaseFieldOperatorStatusDepth
—— G-4-170486————
—— G-4-172664————
—— G-4-172669————
—— G-4-172670————

Formation tops

As filed on W-2/G-1. Subsea from 400 ft elevation.Download CSV →

FormationMD ftSubsea
L-159,817-9,417
L-1810,170-9,770
L-2010,482-10,082
L-2110,732-10,332
L-2210,920-10,520
L-2411,450-11,050

Perforations

Perforated and open-hole intervals.

FromToType
7,7747,876Perforated
9,4309,440Perforated
9,8359,856Perforated
9,83511,502Perforated
10,17610,202Perforated
10,76810,796Perforated
11,45711,502Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
206020—
2060——
13.37553017.5650 S
13.37563017.5650 S
13.37563617.5535 S
9.6255,48012.25640 S
9.6256,47212.25360 S
4.512,6306.75555 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
00Jun 21, 2010Apr 1, 2010—
00Apr 14, 2010Feb 26, 2010—
00Jun 22, 2009May 26, 2009—
00Jan 31, 2009Sep 8, 2008—
00Dec 23, 2008Sep 8, 2008—
00Apr 11, 2007Dec 22, 2006—
00May 19, 2003Apr 17, 2003Yes
00Jun 2, 1999Nov 6, 1998Yes
00Jun 2, 1999Sep 1, 1998—
00May 5, 1999——
00Nov 17, 1998Sep 2, 1998Yes
00Oct 30, 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). 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/50533801, documented in the API reference.