LEASES · O-1-20078 · OIL · DISTRICT 01

STS D

No volume since Feb 2021

Sierra Resources, LLC · McMullen County · Little Alamo (6200) field

Sts D is an RRC oil lease (O-1-20078) in Mcmullen County operated by Sierra Resources, LLC, with one well completed on it.

It has reported 520 barrels of oil and 502 mcf of gas since November 2019, last reporting volume in February 2021 (statewide data runs through April 2026).

The last 12 reported months total 84 barrels of oil, down 81% on the year before; the lease peaked at 109 barrels in December 2019.

520
bbl oil, all reported
502
mcf gas incl. casinghead
84
bbl oil, last 12 reported
-81%
vs the 12 before
1
wells completed on it
109
peak month, bbl (Dec 2019)

PDQ LEASE REPORTS · FIRST NOV 2019 · LAST VOLUME FEB 2021 · 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 84

05010015020202021

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 142

05010020202021

Who reported it

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

  1. Sierra Resources, LLCNov 2019 → Aug 2021 · 22 mo

Wells on the lease

FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL

1

wells completed on the lease

Plugged
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-1-20078, documented in the API reference.