Petrora

LEASES · O-5-3851 · OIL · DISTRICT 05

Carroll Unit

Reporting

Old Union Operating Company · Freestone County · Cheneyboro (Cotton Valley) field

Carroll Unit is an RRC oil lease (O-5-3851) in Freestone County operated by Old Union Operating Company, with one well completed on it.

It has reported 6.4K barrels of oil and 153K mcf of gas since December 2006, last reporting volume in April 2026 (statewide data runs through April 2026).

No volume was reported in the last 12 months; the last was in April 2026.

5 operators have filed production on it, most recently Old Union Operating Company since June 2021.

6.4K
bbl oil, all reported
153K
mcf gas incl. casinghead
0
bbl oil, last 12 reported
—
vs the 12 before
1
wells completed on it
367
peak month, bbl (Jan 2007)

PDQ LEASE REPORTS · FIRST DEC 2006 · LAST VOLUME APR 2026 · 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 10(-100%)

0501002017201820192020202120222023202420252026

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 905 · prior 12 3,258(-72%)

01K2K2017201820192020202120222023202420252026

Decline curve
None shown. Petrora fits an Arps curve only when the last ten years of oil 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. Gilmore, Leo Oil, Inc.Dec 2006 → Nov 2008 · 24 mo
  2. Freestone Resources, IncDec 2008 → Dec 2013 · 61 mo
  3. TX Enhanced Oil Recovery Co, LLCJan 2014 → Oct 2015 · 22 mo
  4. Reo Operating LLCNov 2015 → May 2021 · 67 mo
  5. Old Union Operating CompanyJun 2021 → Jul 2026 · 62 mo

Wells on the lease

FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL

1

wells completed on the lease

Plugged
1

Operates them now

Williams Clayton Energy Inc.
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-5-3851, documented in the API reference.