Petrora

LEASES · O-1-13075 · OIL · DISTRICT 01

Troell, E.

No volume since Jul 2014

Marathon Oil EF LLC · Gonzales County · First Shot (Austin Chalk) field

Troell, E. is an RRC oil lease (O-1-13075) in Gonzales County operated by Marathon Oil EF LLC, with one well completed on it.

It has reported 43.9K barrels of oil and 17.8K mcf of gas since January 1993, last reporting volume in July 2014 (statewide data runs through April 2026).

The last 12 reported months total 113 barrels of oil; the lease peaked at 1.76K barrels in January 2000.

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

43.9K
bbl oil, all reported
17.8K
mcf gas incl. casinghead
113
bbl oil, last 12 reported
—
vs the 12 before
1
wells completed on it
1.76K
peak month, bbl (Jan 2000)

PDQ LEASE REPORTS · FIRST JAN 1993 · LAST VOLUME JUL 2014 · 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 113 · prior 12 6(+1783%)

02004006002005200620072008200920102011201220132014

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

012005200620072008200920102011201220132014

Who reported it

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

  1. Tiza, Inc.Jan 1993 → Jan 1993 · 1 mo
  2. Tiza Operating CompanyFeb 1993 → Nov 1995 · 34 mo
  3. Ames Oil Corporation of TexasDec 1995 → Apr 2004 · 101 mo
  4. Atlas Fuel Supply, Ltd.May 2004 → May 2010 · 73 mo
  5. Hilcorp Energy CompanyJun 2010 → Oct 2011 · 17 mo
  6. Marathon Oil EF LLCNov 2011 → Dec 2014 · 38 mo

Wells on the lease

FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL

1

wells completed on the lease

Plugged
1

Operates them now

Marathon Oil EF 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/o-1-13075, documented in the API reference.