WELL · 42-409-32986 · DISTRICT 4

Welder Efh #1

N

San Patricio County · Plymouth (6500) field  · Vertical

Welder Efh #1 (API 42-409-32986) is a well in San Patricio County operated by Welder Exploration & Prod. Inc., completed February 3, 2014.

The RRC has issued 3 drilling permits (amended once) between 2012 and 2014, permitted to 7,500 ft.

Completion filings report 5 formation tops, including Catahoula, Greta, Heep, Magnolia 3.

Its 4 leases have reported 7.36K barrels of oil and 182K mcf of gas since April 2013, last reporting in July 2026. The leases carry 4 wells, so these are lease totals, not this well alone.

Operator of record

Welder Exploration & Prod. Inc.

Based in
San Antonio, TX
P-5 status
Inactive (I)
P-5 last filed
Mar 9, 2023
Permits on file
346
Phone
(210) 354-1515

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleWelder Exploration & Prod. Inc.
Production reportsWelder Exploration & Prod., Inc.through Jul 2020
Latest permitWelder Exploration & Prod., Inc.Sep 19, 2014
7,500
total depth, ft
4
permits on file
Sep 19, 2014
last permit issued
Feb 3, 2014
completed
7.36K
cumulative oil, bbl
182K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Apr 2013 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Feb 3, 2014
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
Welder, Efh G-4-289760Plymouth (5500 Stray)Welderxp Ltd.104.47KSep 2019 – Jul 2026
Welder, Efh O-4-13934Plymouth (5500 Stray)Welderxp Ltd.17.36K69.6KSep 2014 – May 2023
Welder, Efh G-4-273006Plymouth (6500)Welder Exploration & Prod., Inc.1055.8KFeb 2014 – Dec 2014
Welder, Efh G-4-269730PLYMOUTH(6100 South)Welder Exploration & Prod., Inc.1051.7KApr 2013 – Mar 2014

No volumes reported on these leases in the last three years.

Chain of custody

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

  1. 1Welder Exploration & Prod., Inc.Apr 2013 → Jul 2020

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
794901-99RecompletionWelder Exploration & Prod., Inc.Aug 25, 2014Sep 19, 2014Jul 29, 20147,050
779962-99RecompletionWelder Exploration & Prod., Inc.Feb 17, 2014Mar 22, 2014Jan 27, 20147,050
752089-98DrillWelder Exploration & Prod., Inc.Jun 26, 2013Nov 29, 2012Mar 4, 20137,500
752089-99DrillWelder Exploration & Prod., Inc.Nov 26, 2012Nov 29, 2012—7,500

Completions

CompletedLeaseFieldOperatorStatusDepth
—— G-4-269730————
—— G-4-273006————
—— G-4-289760————
—— O-4-13934————

Formation tops

As filed on W-2/G-1. Subsea from 39 ft elevation.Download CSV →

FormationMD ftSubsea
Catahoula3,920-3,881
Greta4,720-4,681
Heep5,560-5,521
Magnolia 35,900-5,861
Frio6,100-6,061

Perforations

Perforated and open-hole intervals.

FromToType
5,5625,565Perforated
5,5865,593Perforated
6,1226,124Perforated
6,1316,137Perforated
6,4566,472Perforated
6,4936,496Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
8.62584112.25355 S
4.57,0457.8751,741 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
00Aug 28, 2020Jun 15, 2020—
00Jun 15, 2015Dec 12, 2014Yes
00Aug 13, 2014Mar 31, 2014Yes
00Sep 12, 2013Jul 11, 2013Yes

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/40932986, documented in the API reference.