LEASES · O-10-39734 · OIL · DISTRICT 08

Grande Unit

Reporting

Vaquero Operating · Pecos County · Maralo (Wolfcamp) field

Grande Unit is an RRC oil lease (O-10-39734) in Pecos County operated by Vaquero Operating, with one well completed on it.

It has reported 37.3K barrels of oil and 1.47M mcf of gas since December 2008, last reporting volume in April 2026 (statewide data runs through April 2026).

No volume was reported in the last 12 months; the last was in April 2026.

3 operators have filed production on it, most recently Vaquero Operating since December 2019.

37.3K
bbl oil, all reported
1.47M
mcf gas incl. casinghead
0
bbl oil, last 12 reported
—
vs the 12 before
1
wells completed on it
2.93K
peak month, bbl (Mar 2009)

PDQ LEASE REPORTS · FIRST DEC 2008 · 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 0 · prior 12 0

01002003002017201820192020202120222023202420252026

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 6,586 · prior 12 5,303(+24%)

05K10K15K2017201820192020202120222023202420252026

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. Primexx Operating CorporationDec 2008 → Sep 2017 · 106 mo
  2. Black Mountain Oil & Gas II LLCOct 2017 → Nov 2019 · 26 mo
  3. Vaquero OperatingDec 2019 → Jul 2026 · 80 mo

Wells on the lease

FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL

1

wells completed on the lease

NO Production
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-10-39734, documented in the API reference.