Petrora

LEASES · O-10-17715 · OIL · DISTRICT 08

TXL -A-

Reporting

Black River Operating LLC · Sterling County · Herrell field

Txl -A- is an RRC oil lease (O-10-17715) in Sterling County operated by Black River Operating LLC, with 4 wells completed on it.

It has reported 111K barrels of oil and 21 mcf of gas since January 1993, last reporting volume in March 2026 (statewide data runs through April 2026).

The last 12 reported months total 1.51K barrels of oil, down 15% on the year before; the lease peaked at 1.21K barrels in January 1999.

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

111K
bbl oil, all reported
21
mcf gas incl. casinghead
1.51K
bbl oil, last 12 reported
-15%
vs the 12 before
4
wells completed on it
1.21K
peak month, bbl (Jan 1999)

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 1,514 · prior 12 1,779(-15%)

02004002017201820192020202120222023202420252026

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. Southwest Royalties, Inc.Jan 1993 → Jul 1998 · 67 mo
  2. Marathon Oil CompanyAug 1998 → May 2009 · 130 mo
  3. Apache CorporationJun 2009 → Dec 2019 · 127 mo
  4. Black River Operating LLCJan 2020 → Jul 2026 · 79 mo

Wells on the lease

FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL

4

wells completed on the lease

Plugged
3
Producing
1

Operates them now

Apache Corporation
3
Black River Operating LLC
1

Newest permits

  • 43131248 #15Nov 9, 1982
  • — #10D—
  • — #8 C—
  • — #9 C—

All 4 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-10-17715, documented in the API reference.