LEASES · O-3-26972 · OIL · DISTRICT 03

Heffelfinger-Sartwelle

No volume since Nov 2021

Langston Oil, LLC · Matagorda County · Tidehaven (Frio, Upper) field

Heffelfinger-Sartwelle is an RRC oil lease (O-3-26972) in Matagorda County operated by Langston Oil, LLC, with one well completed on it.

It has reported 17.4K barrels of oil and 9.87K mcf of gas since March 2014, last reporting volume in November 2021 (statewide data runs through April 2026).

No volume was reported in the last 12 months; the last was in November 2021.

4 operators have filed production on it, most recently Langston Oil, LLC since May 2020.

17.4K
bbl oil, all reported
9.87K
mcf gas incl. casinghead
0
bbl oil, last 12 reported
—
vs the 12 before
1
wells completed on it
1.2K
peak month, bbl (Apr 2014)

PDQ LEASE REPORTS · FIRST MAR 2014 · LAST VOLUME NOV 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 0 · prior 12 0

02004002017201820192020202120222023202420252026

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. SV Energy Company, LLCMar 2014 → Oct 2016 · 32 mo
  2. Texegy Operating Company LLCNov 2016 → Aug 2019 · 34 mo
  3. Midfield SWD, LLCSep 2019 → Apr 2020 · 8 mo
  4. Langston Oil, LLCMay 2020 → Jul 2026 · 75 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-3-26972, documented in the API reference.