LEASES · O-3-23645 · OIL · DISTRICT 03

Vastar

Reporting

Permian Natural Resources · Tyler County · Cinnabar (Lower Wilcox) field

Vastar is an RRC oil lease (O-3-23645) in Tyler County operated by Permian Natural Resources, with 2 wells completed on it.

It has reported 67.5K barrels of oil and 113K mcf of gas since December 1998, last reporting volume in October 2025 (statewide data runs through April 2026).

The last 12 reported months total 39 barrels of oil, down 62% on the year before; the lease peaked at 1.73K barrels in March 1999.

2 operators have filed production on it, most recently Permian Natural Resources since October 2017.

67.5K
bbl oil, all reported
113K
mcf gas incl. casinghead
39
bbl oil, last 12 reported
-62%
vs the 12 before
2
wells completed on it
1.73K
peak month, bbl (Mar 1999)

PDQ LEASE REPORTS · FIRST DEC 1998 · LAST VOLUME OCT 2025 · 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 39 · prior 12 104(-62%)

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 0 · prior 12 0

0501002017201820192020202120222023202420252026

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. Southern Resource CompanyDec 1998 → Sep 2017 · 226 mo
  2. Permian Natural ResourcesOct 2017 → Jul 2026 · 106 mo

Wells on the lease

FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL

2

wells completed on the lease

NO Production
2

Operates them now

Newest permits

All 2 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-3-23645, documented in the API reference.