WELL · 42-409-03776 · DISTRICT 4

J. F. Welder Unit #B 15H

N

San Patricio County  · Vertical

J. F. Welder Unit #B 15H (API 42-409-03776) is a permitted well in San Patricio County filed by Energen Resources Corporation; no completion report is on file yet.

The RRC has issued 3 drilling permits between 1982 and 2002, permitted to 6,800 ft.

Completion filings report 4 formation tops, including Oakville, Catahoula, Anahuac, Frio.

Its 4 leases have reported 680K barrels of oil and 8.49M mcf of gas since January 1993, last reporting in July 2026. The leases carry 49 wells, so these are lease totals, not this well alone.

Operator of record

Energen Resources Corporation

Based in
Midland, TX
P-5 status
Inactive (I)
P-5 last filed
Feb 1, 2021
Permits on file
4,291
Phone
(432) 221-7400

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore schedulenone
Production reports84 Energy LLCthrough Aug 2025
Latest permitEnergen Resources CorporationMay 28, 2002
6,800
total depth, ft
3
permits on file
May 28, 2002
last permit issued
—
completed
680K
cumulative oil, bbl
8.49M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
—
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 49 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Welder, J. F. Unit G-4-180180Odem (Massive Frio)84 Energy LLC10448KDec 1999 – Jul 2026
Welder, J. F., Unit O-4-1996Odem84 Energy LLC1460.4K705KJan 1993 – Jul 2026
Welder, J.F. Unit O-4-12145Odem (Massive Frio)84 Energy LLC30616K7.33MJan 1993 – Jul 2026
Welder, J. F., Unit O-4-7626Odem (5870)Texaco E & P Inc.44.04K13.6KJan 1993 – Dec 1996

Gas, mcf lease total

Last 12 months 1,358 · prior 12 39,239(-97%)

02K4K6K202420252026

Oil, barrels lease total

Last 12 months 217 · prior 12 3,185(-93%)

05001K202420252026

Chain of custody

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

  1. 1Texaco E & P Inc.Jan 1993 → Feb 1995
  2. 2Smith Production Inc.Mar 1995 → Apr 1999
  3. 3Energen Resources CorporationMay 1999 → Aug 2003
  4. 4Aroc (Texas) Inc.Sep 2003 → Feb 2005
  5. 5Southern Bay Operating, L.L.C.Mar 2005 → Jun 2013
  6. 6HK Energy Operating, LLCJul 2013 → Oct 2013
  7. 7Wagner Oil CompanyNov 2013 → Jul 2020
  8. 8GTG Operating, LLCAug 2020 → Dec 2024
  9. 984 Energy LLCJan 2025 → Aug 2025

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
520275-99RecompletionEnergen Resources CorporationMay 23, 2002May 28, 2002—3,000
235864-99RecompletionTexaco Inc.Apr 16, 1984Apr 17, 1984—6,800
174172-99RecompletionTexaco Inc.Oct 13, 1982Oct 13, 1982—6,800

Completions

CompletedLeaseFieldOperatorStatusDepth
—— G-4-180180————
—— O-4-1996————
—— O-4-7626————
—— O-4-12145————

Formation tops

As filed on W-2/G-1. Subsea from 90 ft elevation.Download CSV →

FormationMD ftSubsea
OakvilleBASE OF OAKVILLE3,700-3,610
CatahoulaTOP OF CATAHOULA3,900-3,810
Anahuac4,900-4,810
Frio5,000-4,910

Perforations

Perforated and open-hole intervals.

FromToType
5,6185,978Perforated
6,6976,706Perforated
—5,887Perforated
—6,125Perforated
—6,750Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
10.7551215185 S
10.75512——
2.3756,730——
2.8756,780——
4.56,7999.8751,925 S
4.56,799——

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
00Feb 24, 2001Dec 8, 2000—
00Jan 9, 2001——
00Feb 3, 1993Apr 11, 1973—
00Jul 25, 1984Jun 29, 1984—
00Jan 12, 1984Jun 29, 1984—
00Jan 12, 1984Apr 11, 1973—
00Jan 12, 1984Nov 14, 1963—
00Jan 12, 1984——

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/40903776, documented in the API reference.