Petrora

LEASES · G-4-154576 · GAS · DISTRICT 04

Swallow Gas Unit

Reporting

Wagner Oil Company · Hidalgo County · Donna (Armstrong) field

Swallow Gas Unit is an RRC gas lease (G-4-154576) in Hidalgo County operated by Wagner Oil Company, with one well completed on it.

It has reported 421K mcf of gas since May 1995, last reporting volume in April 2026 (statewide data runs through April 2026).

The last 12 reported months total 3.18K mcf of gas.

3 operators have filed production on it, most recently Wagner Oil Company since January 2010.

421K
mcf gas, all reported
0
bbl condensate and oil
3.18K
mcf gas, last 12 reported
—
vs the 12 before
1
wells completed on it
—
peak month, bbl

PDQ LEASE REPORTS · FIRST MAY 1995 · LAST VOLUME APR 2026 · STATEWIDE DATA THROUGH APR 2026

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 3,179 · prior 12 3,928(-19%)

05001K1.5K2017201820192020202120222023202420252026

Decline curve
None shown. Petrora fits an Arps curve only when the last ten years of gas 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. Vastar Resources, Inc.May 1995 → Dec 2001 · 80 mo
  2. BP America Production CompanyJan 2002 → Dec 2009 · 96 mo
  3. Wagner Oil CompanyJan 2010 → Jul 2026 · 199 mo

Wells on the lease

FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL

1

wells completed on the lease

NO Type on File
1

Operates them now

Arco Oil & Gas Co.
1

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/g-4-154576, documented in the API reference.