LEASES · O-2-9811 · OIL · DISTRICT 02

Retzloff-Tom Unit

No volume since Aug 2017

Marathon Oil EF LLC · Atascosa County · Eagleville (Eagle Ford-2) field

Retzloff-Tom Unit is an RRC oil lease (O-2-9811) in Atascosa County operated by Marathon Oil EF LLC, with one well completed on it.

It has reported 95.5K barrels of oil and 120K mcf of gas since October 2011, last reporting volume in August 2017 (statewide data runs through April 2026).

No volume was reported in the last 12 months; the last was in August 2017.

2 operators have filed production on it, most recently Marathon Oil EF LLC since November 2011.

95.5K
bbl oil, all reported
120K
mcf gas incl. casinghead
0
bbl oil, last 12 reported
—
vs the 12 before
1
wells completed on it
11.4K
peak month, bbl (Nov 2011)

PDQ LEASE REPORTS · FIRST OCT 2011 · LAST VOLUME AUG 2017 · 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

05K10K15K20122013201420152016201720182019

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

05K10K15K20122013201420152016201720182019

Who reported it

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

  1. Hilcorp Energy CompanyOct 2011 → Oct 2011 · 1 mo
  2. Marathon Oil EF LLCNov 2011 → Sep 2019 · 95 mo

Wells on the lease

FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL

1

wells completed on the lease

NO Type on File
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.

Developers: this page as JSON is GET /v1/data/leases/tx/o-2-9811, documented in the API reference.