WELL · 42-505-33801 · DISTRICT 4
Guerra Avelina #5A
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
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 schedule | XTO Energy Inc. |
| Production reports | Vantage Operating II, LLCthrough Apr 2026 |
| Latest permit | Pioneer 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 →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Guerra, Avelina G-4-170486 | Lopeno (Wilcox 10,200) | Vantage Operating II, LLC | 1 | 0 | 3.31M | Aug 1998 – Jul 2026 |
| Guerra, Avelina G-4-172669 | Lopeno (Wilcox 9550) | Dominion Expl. & Prod., Inc. | 1 | 0 | 367K | Oct 1998 – Nov 2006 |
| Guerra, Avelina G-4-172664 | Lopeno (Wilcox I) | Dominion Expl. & Prod., Inc. | 1 | 0 | 0 | Aug 1998 – Jun 2005 |
| Guerra, Avelina G-4-172670 | Lopeno (Wilcox 9950) | Dominion Expl. & Prod., Inc. | 1 | 0 | 0 | Oct 1998 – Jun 2005 |
Gas, mcf lease total
Last 12 months 712 · prior 12 814(-13%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Pioneer Natural Res. USA, Inc.Aug 1998 → Jul 1999
- 2CNG Producing CompanyAug 1999 → May 2000
- 3Dominion Expl. & Prod., Inc.Jun 2000 → Jul 2007
- 4XTO Energy Inc.Aug 2007 → Mar 2020
- 5Vantage Operating II, LLCSep 2021 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 482269-99 | Recompletion | Pioneer Natural Res. USA, Inc. | Jan 26, 1999 | Jan 26, 1999 | Apr 26, 1998 | 12,500 |
| 475604-99 | Drill | Pioneer Natural Res. USA, Inc. | Apr 23, 1998 | Apr 23, 1998 | Apr 26, 1998 | 12,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — 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 →
| Formation | MD ft | Subsea |
|---|---|---|
| L-15 | 9,817 | -9,417 |
| L-18 | 10,170 | -9,770 |
| L-20 | 10,482 | -10,082 |
| L-21 | 10,732 | -10,332 |
| L-22 | 10,920 | -10,520 |
| L-24 | 11,450 | -11,050 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,774 | 7,876 | Perforated |
| 9,430 | 9,440 | Perforated |
| 9,835 | 9,856 | Perforated |
| 9,835 | 11,502 | Perforated |
| 10,176 | 10,202 | Perforated |
| 10,768 | 10,796 | Perforated |
| 11,457 | 11,502 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 20 | 60 | 20 | — |
| 20 | 60 | — | — |
| 13.375 | 530 | 17.5 | 650 S |
| 13.375 | 630 | 17.5 | 650 S |
| 13.375 | 636 | 17.5 | 535 S |
| 9.625 | 5,480 | 12.25 | 640 S |
| 9.625 | 6,472 | 12.25 | 360 S |
| 4.5 | 12,630 | 6.75 | 555 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 →
| Suffix | Filed | W-2 / G-1 date | Logs referenced |
|---|---|---|---|
| 00 | Jun 21, 2010 | Apr 1, 2010 | — |
| 00 | Apr 14, 2010 | Feb 26, 2010 | — |
| 00 | Jun 22, 2009 | May 26, 2009 | — |
| 00 | Jan 31, 2009 | Sep 8, 2008 | — |
| 00 | Dec 23, 2008 | Sep 8, 2008 | — |
| 00 | Apr 11, 2007 | Dec 22, 2006 | — |
| 00 | May 19, 2003 | Apr 17, 2003 | Yes |
| 00 | Jun 2, 1999 | Nov 6, 1998 | Yes |
| 00 | Jun 2, 1999 | Sep 1, 1998 | — |
| 00 | May 5, 1999 | — | — |
| 00 | Nov 17, 1998 | Sep 2, 1998 | Yes |
| 00 | Oct 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.
- Wellbore filings for 42-505-33801 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-505-33801 → scanned completion filings
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.