LEASES · O-10-30592 · OIL · DISTRICT 08

Herrell, E. Queen Sand Unit

Reporting

Black River Operating LLC · Sterling County · Herrell, East (Queen Sand) field

Herrell, E. Queen Sand Unit is an RRC oil lease (O-10-30592) in Sterling County operated by Black River Operating LLC, with 61 wells completed on it.

It has reported 1.72M barrels of oil and 13K mcf of gas since January 1993, last reporting volume in March 2026 (statewide data runs through April 2026).

The last 12 reported months total 7.25K barrels of oil, up 11% on the year before; the lease peaked at 16K barrels in April 1997.

3 operators have filed production on it, most recently Black River Operating LLC since January 2020.

1.72M
bbl oil, all reported
13K
mcf gas incl. casinghead
7.25K
bbl oil, last 12 reported
+11%
vs the 12 before
61
wells completed on it
16K
peak month, bbl (Apr 1997)

PDQ LEASE REPORTS · FIRST JAN 1993 · LAST VOLUME MAR 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 7,249 · prior 12 6,550(+11%)

01K2K2017201820192020202120222023202420252026

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

012017201820192020202120222023202420252026

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. Marathon Oil CompanyJan 1993 → May 2009 · 197 mo
  2. Apache CorporationJun 2009 → Dec 2019 · 127 mo
  3. Black River Operating LLCJan 2020 → Jul 2026 · 79 mo

Wells on the lease

FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL

61

wells completed on the lease

Plugged
20
Injection
18
Producing
14
Shut IN
8
Water Supply
1

Newest permits

All 61 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.

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