Petrora

LEASES · G-6-171881 · GAS · DISTRICT 06

Ellis Unit A-521

Reporting

Delfin Operating, LLC · Jasper County · Brookeland (Austin Chalk, 8800) field

Ellis Unit A-521 is an RRC gas lease (G-6-171881) in Jasper County operated by Delfin Operating, LLC, with one well completed on it.

It has reported 1.54M mcf of gas and 97.9K barrels of condensate since January 1999, last reporting volume in February 2026 (statewide data runs through April 2026).

It reported 1.45K mcf of gas in the 12 months through April 2026.

10 operators have filed production on it, most recently Delfin Operating, LLC since November 2024.

1.54M
mcf gas, all reported
97.9K
bbl condensate, all reported
1.45K
mcf gas, 12 months through Apr 2026
—
vs the 12 before
1
wells completed on it
—
peak month, bbl

PDQ LEASE REPORTS · FIRST JAN 1999 · LAST VOLUME FEB 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.

12 months through Apr 2026 1,449 · prior 12 2,410(-40%)

02K4K6K2017201820192020202120222023202420252026

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. Union Pacific Resources CompanyJan 1999 → Jan 2001 · 25 mo
  2. Rme Petroleum CompanyFeb 2001 → Nov 2002 · 22 mo
  3. Anadarko E&P Company LPDec 2002 → Jul 2007 · 56 mo
  4. Enervest Operating, L.L.C.Aug 2007 → Sep 2009 · 26 mo
  5. Three Forks Resources, LLCOct 2009 → Sep 2014 · 60 mo
  6. Cornerstone Petroleum OP, LLCOct 2014 → Apr 2019 · 55 mo
  7. Shoco Production, L.P.May 2019 → May 2020 · 13 mo
  8. Shoco Production LLCJun 2020 → Dec 2020 · 7 mo
  9. Permian Natural ResourcesJan 2021 → Oct 2024 · 46 mo
  10. Delfin Operating, LLCNov 2024 → Jul 2026 · 21 mo

Wells on the lease

FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL

1

wells completed on the lease

Producing
1

Operates them now

Delfin Operating, LLC
1

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.

Developers: this page as JSON is GET /v1/data/leases/tx/g-6-171881, documented in the API reference.