LEASES · O-10-22295 · OIL · DISTRICT 08

Lockhart & Brown Fee

Reporting

Montare Operating, Ltd. · Andrews County · Fuhrman-Mascho field

Lockhart & Brown Fee is an RRC oil lease (O-10-22295) in Andrews County operated by Montare Operating, Ltd., with 14 wells completed on it.

It has reported 132K barrels of oil and 110K mcf of gas since January 1993, last reporting volume in April 2026 (statewide data runs through April 2026).

The last 12 reported months total 1.37K barrels of oil, up 23% on the year before; the lease peaked at 3.92K barrels in August 2012.

5 operators have filed production on it, most recently Montare Operating, Ltd. since August 2021.

132K
bbl oil, all reported
110K
mcf gas incl. casinghead
1.37K
bbl oil, last 12 reported
+23%
vs the 12 before
14
wells completed on it
3.92K
peak month, bbl (Aug 2012)

PDQ LEASE REPORTS · FIRST JAN 1993 · 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 1,368 · prior 12 1,112(+23%)

05001K2017201820192020202120222023202420252026

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 1,757 · prior 12 1,358(+29%)

05001K2017201820192020202120222023202420252026

Decline curve

A MODEL FITTED TO THE REPORTS, NOT A REPORT

An Arps exponential curve fitted to the 120 reporting months of oil since the peak in May 2016. The dashed line below is that curve, drawn over the months it was fitted to and then 24 months past the last report; where it parts from the columns is where the model stops describing the lease. It describes the trend of past reports. It does not know about recompletions, shut-ins, or new wells, and it is shown only when the lease reported within the last year and the curve explains most of the history.

20%
first-year decline from the peak (nominal Di 22%)
0.0
b factor (exponential)
0.92
fit R²
4.04K
bbl remaining on the curve, to 1 per month

Oil, barrels reported months since the peak, with the fitted curve and its projection

Last 12 months 1,368 · prior 12 1,112(+23%)

05001K201720182019202020212022202320242025202620272028

Fitted exponential curve from the May 2016 peak, dashed 24 months past the last report

Projected monthOct 2026Apr 2027Oct 2027Apr 2028
On the curve, bbl per month68615549

Quoting a projected figure as if it were reported would be wrong; the reported figures are the ones in the charts and the table view. How production is reported →

Who reported it

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

  1. LZS CorporationJan 1993 → Jan 2007 · 169 mo
  2. OK Arena Operating CompanyFeb 2007 → Jul 2010 · 42 mo
  3. Sandridge Expl. and Prod., LLCAug 2010 → Oct 2018 · 99 mo
  4. Avalon TX Operating, LLCNov 2018 → Jul 2021 · 33 mo
  5. Montare Operating, Ltd.Aug 2021 → Jul 2026 · 60 mo

Wells on the lease

FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL

14

wells completed on the lease

Producing
11
NO Type on File
1
Shut IN
1
Plugged
1

Operates them now

Newest permits

All 14 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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