LEASES · G-2-268690 · GAS · DISTRICT 02
Three Sisters 01
Marathon Oil EF LLC · Live Oak County · Sugarkane (Eagle Ford) field
Three Sisters 01 is an RRC gas lease (G-2-268690) in Live Oak County operated by Marathon Oil EF LLC, with one well completed on it.
It has reported 1.19M mcf of gas and 384K barrels of condensate since October 2011, last reporting volume in April 2026 (statewide data runs through April 2026).
It reported 2.21K mcf of gas in the 12 months through April 2026.
3 operators have filed production on it, most recently Marathon Oil EF LLC since March 2023.
- 1.19M
- mcf gas, all reported
- 384K
- bbl condensate, all reported
- 2.21K
- mcf gas, 12 months through Apr 2026
- —
- vs the 12 before
- 1
- wells completed on it
- —
- peak month, bbl
PDQ LEASE REPORTS · FIRST OCT 2011 · 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.
12 months through Apr 2026 2,211 · prior 12 2,893(-24%)
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.
- Pioneer Natural Res. USA, Inc.Oct 2011 → Sep 2019 · 96 mo362K bbl oil · 1.11M mcf gas
- Ensign Operating LLCOct 2019 → Feb 2023 · 41 mo17.8K bbl oil · 62.6K mcf gas
- Marathon Oil EF LLCMar 2023 → Nov 2026 · 45 mo4.6K bbl oil · 10.8K mcf gas
Wells on the lease
FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL
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-2-268690, documented in the API reference.