WELL · 42-215-31830 · DISTRICT 4

Hidalgo-Willacy #12B

Y

Hidalgo County · Texan Gardens-Tabasco N. (Cons) field · Shut IN-Multi-Compl  · Vertical

Hidalgo-Willacy #12B (API 42-215-31830) is a well in Hidalgo County operated by Atlas Operating LLC, completed December 8, 1988 and listed as shut in-multi-compl on the RRC schedule.

The RRC has issued one drilling permit, issued September 13, 1988, permitted to 8,800 ft.

It was permitted by Tana Oil & Gas Corp. and has since transferred to Atlas Operating LLC on the wellbore schedule.

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

Operator of record

Atlas Operating LLC

Permitted by Tana Oil & Gas Corp.; the EWA schedule now lists a different operator.

Houston, TX · P-5 Y, filed Oct 4, 2025 · 78 permits on file · (281) 893-9400

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleAtlas Operating LLC
Production reportsAtlas Operating LLCthrough Jun 2023
Latest permitTana Oil & Gas Corp.Sep 13, 1988

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

8,800
total depth, ft
1
permits on file
Sep 13, 1988
last permit issued
Dec 8, 1988
completed
0
cumulative oil, bbl
834K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Dec 8, 1988
Shut in
—
Plugged
—

Operator's P-5 on the schedule: H

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

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Hidalgo - Willacy G-4-129817Texan Gardens-Tabasco, N. (Cons)Atlas Operating LLC10709KJan 1993 – Jul 2026
Hidalgo-Willacy G-4-129819Texan Gardens-Tabasco, N. (Cons)Atlas Operating LLC10125KJan 1993 – Jul 2026

Gas, mcf lease total

Last 12 months 0 · prior 12 0

0100200202420252026

Chain of custody

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

  1. 1Barnes, Larry Petroleum, Inc.Jan 1993 → Jul 1996
  2. 2Amerac Energy CorporationAug 1996 → Aug 1999
  3. 3Coastal Oil & Gas CorporationSep 1999 → Jun 2001
  4. 4EL Paso Production Oil & Gas Co.Jul 2001 → Mar 2002
  5. 5United Oil & Minerals L. P.Apr 2002 → Jun 2003
  6. 6United Resources, LPJul 2003 → Dec 2003
  7. 7Westport Oil and Gas Company, LPJan 2004 → Feb 2006
  8. 8Kerr-McGee Oil & Gas Onshore LPMar 2006 → Oct 2009
  9. 9Wynn-Crosby Operating, Ltd.Nov 2009 → Aug 2016
  10. 10Eagle Oil & Gas Co.Sep 2016 → Feb 2020
  11. 11Atlas Operating LLCMay 2021 → Jun 2023

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
351023-99DrillTana Oil & Gas Corp.Sep 9, 1988Sep 13, 1988—8,800

Completions

CompletedLeaseFieldOperatorStatusDepth
—— G-4-129817————
—— G-4-129819————

Perforations

Perforated and open-hole intervals.

FromToType
8,0698,134Perforated
8,5098,550Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6252,00012.25565 S
78,3958.75635 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
00Apr 19, 1989Feb 7, 1989Yes
00Apr 4, 1989Feb 7, 1989Yes
00Feb 28, 1989——

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/21531830, documented in the API reference.