LEASES · G-2-281138 · GAS · DISTRICT 02

Three Sisters 01

Reporting

Marathon Oil EF LLC · Live Oak County · Sugarkane (Eagle Ford) field

Three Sisters 01 is an RRC gas lease (G-2-281138) in Live Oak County operated by Marathon Oil EF LLC, with one well completed on it.

It has reported 1.42M mcf of gas and 383K barrels of condensate since September 2017, last reporting volume in August 2026 (statewide data runs through August 2026).

It reported 33.6K mcf of gas in the 12 months through August 2026.

3 operators have filed production on it, most recently Marathon Oil EF LLC since March 2023.

1.42M
mcf gas, all reported
383K
bbl condensate, all reported
33.6K
mcf gas, 12 months through Aug 2026
—
vs the 12 before
1
wells completed on it
—
peak month, bbl

PDQ LEASE REPORTS · FIRST SEP 2017 · LAST VOLUME AUG 2026 · STATEWIDE DATA THROUGH AUG 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 Aug 2026 33,568 · prior 12 53,069(-37%)

050K100K150K2017201820192020202120222023202420252026

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, with what it reported in them.

  1. Pioneer Natural Res. USA, Inc.Jan 2016 → Sep 2019 · 45 mo312K bbl oil · 1.05M mcf gas
  2. Ensign Operating LLCOct 2019 → Feb 2023 · 41 mo56.1K bbl oil · 239K mcf gas
  3. Marathon Oil EF LLCMar 2023 → Nov 2026 · 45 mo15K bbl oil · 134K mcf gas

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 Aug 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-2-281138, documented in the API reference.