LEASES · G-6-183208 · GAS · DISTRICT 06

Vastar Fee Unit A-121

Reporting

Rockstar Production, LLC · Jasper County · Brookeland (Austin Chalk, 8800) field

Vastar Fee Unit A-121 is an RRC gas lease (G-6-183208) in Jasper County operated by Rockstar Production, LLC, with one well completed on it.

It has reported 2.2M mcf of gas since April 2001, last reporting volume in April 2026 (statewide data runs through April 2026).

The last 12 reported months total 2.8K mcf of gas.

10 operators have filed production on it, most recently Rockstar Production, LLC since May 2026.

2.2M
mcf gas, all reported
0
bbl condensate and oil
2.8K
mcf gas, last 12 reported
—
vs the 12 before
1
wells completed on it
—
peak month, bbl

PDQ LEASE REPORTS · FIRST APR 2001 · LAST VOLUME APR 2026 · STATEWIDE DATA THROUGH APR 2026

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 2,797 · prior 12 1,408(+99%)

01K2K3K2017201820192020202120222023202420252026

Decline curve
None shown. Petrora fits an Arps curve only when the last ten years of gas reports follow one decline closely enough to project (R² of 0.7 or better over at least a year since the peak). This lease's recent history does not, so a projection would be a guess dressed as a number.

Who reported it

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

  1. Rme Petroleum CompanyApr 2001 → Nov 2002 · 20 mo
  2. Anadarko E&P Company LPDec 2002 → Jul 2007 · 56 mo
  3. Enervest Operating, L.L.C.Aug 2007 → Feb 2012 · 55 mo
  4. Southern Bay Operating, L.L.C.Mar 2012 → Jun 2013 · 16 mo
  5. HK Energy Operating, LLCJul 2013 → Sep 2017 · 51 mo
  6. Grit Oil & Gas, LLCOct 2017 → Apr 2019 · 19 mo
  7. RKI Energy Resources, LLCMay 2019 → Jun 2021 · 26 mo
  8. Prize Exploration & Prod, LLCJul 2021 → Dec 2023 · 30 mo
  9. Arcadia Energy Resources, LLCJan 2024 → Apr 2026 · 28 mo
  10. Rockstar Production, LLCMay 2026 → Jul 2026 · 3 mo

Wells on the lease

FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL

1

wells completed on the lease

Producing
1

Operates them now

Newest permits

All 1 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.

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