Petrora

LEASES · O-10-34983 · OIL · DISTRICT 08

Glass, J. L. Estate "B"

Reporting

Black River Operating LLC · Sterling County · Herrell field

Glass, J. L. Estate "B" is an RRC oil lease (O-10-34983) in Sterling County operated by Black River Operating LLC, with one well completed on it.

It has reported 55.5K barrels of oil since June 1996, last reporting volume in March 2026 (statewide data runs through April 2026).

The last 12 reported months total 1.01K barrels of oil, down 11% on the year before; the lease peaked at 818 barrels in July 1996.

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

55.5K
bbl oil, all reported
0
mcf gas incl. casinghead
1.01K
bbl oil, last 12 reported
-11%
vs the 12 before
1
wells completed on it
818
peak month, bbl (Jul 1996)

PDQ LEASE REPORTS · FIRST JUN 1996 · 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 1,005 · prior 12 1,126(-11%)

02004002017201820192020202120222023202420252026

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 CompanyJun 1996 → May 2009 · 156 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

1

wells completed on the lease

Producing
1

Operates them now

Black River Operating 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-10-34983, documented in the API reference.