LEASES · O-1-18230 · OIL · DISTRICT 01
Traylor Unit Zav L
ReportingExco Operating Company, LP · Zavala County · Briscoe Ranch (Eagleford) field
Traylor Unit Zav L is an RRC oil lease (O-1-18230) in Zavala County operated by Exco Operating Company, LP, with 4 wells completed on it.
It has reported 691K barrels of oil and 565K mcf of gas since November 2014, last reporting volume in April 2026 (statewide data runs through April 2026).
The last 12 reported months total 43.8K barrels of oil, up 8% on the year before; the lease peaked at 30.7K barrels in April 2015.
- 691K
- bbl oil, all reported
- 565K
- mcf gas incl. casinghead
- 43.8K
- bbl oil, last 12 reported
- +8%
- vs the 12 before
- 4
- wells completed on it
- 30.7K
- peak month, bbl (Apr 2015)
PDQ LEASE REPORTS · FIRST NOV 2014 · 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 43,848 · prior 12 40,777(+8%)
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 35,618 · prior 12 18,290(+95%)
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.
- Exco Operating Company, LPNov 2014 → Jul 2026 · 141 mo
Wells on the lease
FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL
4
wells completed on the lease
- Producing
- 4
Operates them now
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.
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