LEASES · O-10-45731 · OIL · DISTRICT 08

Grandest State

No volume since Oct 2013

Siltstone Resources OP II, LLC · Pecos County · Hoefs T-K (Wolfcamp) field

Grandest State is an RRC oil lease (O-10-45731) in Pecos County operated by Siltstone Resources OP II, LLC, with one well completed on it.

It has reported 289 barrels of oil and 2.3K mcf of gas since February 2013, last reporting volume in October 2013 (statewide data runs through April 2026).

No volume was reported in the last 12 months; the last was in October 2013.

3 operators have filed production on it, most recently Siltstone Resources OP II, LLC since March 2019.

289
bbl oil, all reported
2.3K
mcf gas incl. casinghead
0
bbl oil, last 12 reported
—
vs the 12 before
1
wells completed on it
140
peak month, bbl (Mar 2013)

PDQ LEASE REPORTS · FIRST FEB 2013 · LAST VOLUME OCT 2013 · 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 0 · prior 12 0

012017201820192020202120222023202420252026

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

Who reported it

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

  1. COG Operating LLCFeb 2013 → Nov 2016 · 46 mo
  2. Whitehorse Delaware OP LLCDec 2016 → Feb 2019 · 27 mo
  3. Siltstone Resources OP II, LLCMar 2019 → Jul 2026 · 89 mo

Wells on the lease

FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL

1

wells completed on the lease

Shut In
1

Operates them now

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-10-45731, documented in the API reference.