Petrora

LEASES · O-4-12144 · OIL · DISTRICT 04

Welder, J.F. Unit

No volume since Sep 2016

84 Energy LLC · San Patricio County · Odem, S. (Massive Frio) field

Welder, J.F. Unit is an RRC oil lease (O-4-12144) in San Patricio County operated by 84 Energy LLC, with 5 wells completed on it.

It has reported 142K barrels of oil and 678K mcf of gas since February 1993, last reporting volume in September 2016 (statewide data runs through April 2026).

No volume was reported in the last 12 months; the last was in September 2016.

9 operators have filed production on it, most recently 84 Energy LLC since January 2025.

142K
bbl oil, all reported
678K
mcf gas incl. casinghead
0
bbl oil, last 12 reported
—
vs the 12 before
5
wells completed on it
1.9K
peak month, bbl (Jan 1998)

PDQ LEASE REPORTS · FIRST FEB 1993 · LAST VOLUME SEP 2016 · STATEWIDE DATA THROUGH APR 2026

Oil by month

Barrels reported on Form PR for the whole lease. The latest months are revised upward as late reports arrive.

Last 12 months 0 · prior 12 0

01002002017201820192020202120222023202420252026

Gas by month

Gas-well gas plus casinghead gas, mcf. On an oil lease all gas is reported as casinghead. The latest months are revised upward as late reports arrive.

Last 12 months 0 · prior 12 0

02004002017201820192020202120222023202420252026

Who reported it

Each run of months one operator filed the production report, oldest first.

  1. Texaco E & P Inc.Feb 1993 → Feb 1995 · 25 mo
  2. Smith Production Inc.Mar 1995 → Apr 1999 · 50 mo
  3. Energen Resources CorporationMay 1999 → Aug 2003 · 52 mo
  4. Aroc (Texas) Inc.Sep 2003 → Feb 2005 · 18 mo
  5. Southern Bay Operating, L.L.C.Mar 2005 → Jun 2013 · 100 mo
  6. HK Energy Operating, LLCJul 2013 → Oct 2013 · 4 mo
  7. Wagner Oil CompanyNov 2013 → Jul 2020 · 81 mo
  8. GTG Operating, LLCAug 2020 → Dec 2024 · 53 mo
  9. 84 Energy LLCJan 2025 → Jul 2026 · 19 mo

Wells on the lease

FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL

5

wells completed on the lease

Shut IN
4
Plugged
1

Operates them now

Wagner Oil Company
2
Smith Production Inc.
1
Texaco Inc.
1
84 Energy LLC
1

Newest permits

All 5 wells, searchable →

About this data

Monthly oil, gas, and casinghead from the RRC PDQ production dump, which lags the reporting month by two to three months; figures shown through Apr 2026. Wells from completion reports; operator runs from who filed each month's report.

Developers: this page as JSON is GET /v1/data/leases/tx/o-4-12144, documented in the API reference.