LEASES · O-9-18250 · OIL · DISTRICT 7C

Nikolauk

Reporting

Upp Operating, LLC · Schleicher County · Sawyer (Leonard) field

Nikolauk is an RRC oil lease (O-9-18250) in Schleicher County operated by Upp Operating, LLC, with one well completed on it.

It has reported 2.73K barrels of oil and 43.9K mcf of gas since June 2012, last reporting volume in April 2026 (statewide data runs through April 2026).

The last 12 reported months total 48 barrels of oil; the lease peaked at 217 barrels in April 2014.

3 operators have filed production on it, most recently Upp Operating, LLC since April 2019.

2.73K
bbl oil, all reported
43.9K
mcf gas incl. casinghead
48
bbl oil, last 12 reported
—
vs the 12 before
1
wells completed on it
217
peak month, bbl (Apr 2014)

PDQ LEASE REPORTS · FIRST JUN 2012 · 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 48 · prior 12 5(+860%)

02040602017201820192020202120222023202420252026

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 753 · prior 12 1,063(-29%)

02004006002017201820192020202120222023202420252026

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. Highmount Expl & Prod Texas LLCJun 2012 → Sep 2014 · 28 mo
  2. Enervest Operating, L.L.C.Oct 2014 → Mar 2019 · 54 mo
  3. Upp Operating, LLCApr 2019 → Jul 2026 · 88 mo

Wells on the lease

FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL

1

wells completed on the lease

NO Type on File
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-9-18250, documented in the API reference.