LEASES · O-4-13886 · OIL · DISTRICT 04
Montalvo Heirs 'B'
No volume since Aug 2014Killam Oil Co., Ltd. · Starr County · Sun, North (5410) field
Montalvo Heirs 'B' is an RRC oil lease (O-4-13886) in Starr County operated by Killam Oil CO., Ltd., with one well completed on it.
It has reported 4.93K barrels of oil and 7.98K mcf of gas since June 2014, last reporting volume in August 2014 (statewide data runs through April 2026).
The last 12 reported months total 4.12K barrels of oil, versus 813 the year before; the lease peaked at 2.28K barrels in July 2014.
- 4.93K
- bbl oil, all reported
- 7.98K
- mcf gas incl. casinghead
- 4.12K
- bbl oil, last 12 reported
- +407%
- vs the 12 before
- 1
- wells completed on it
- 2.28K
- peak month, bbl (Jul 2014)
PDQ LEASE REPORTS · FIRST JUN 2014 · LAST VOLUME AUG 2014 · 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 4,119
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 4,803
Who reported it
Each run of months one operator filed the production report, oldest first.
- Killam Oil Co., Ltd.Jun 2014 → Jun 2015 · 13 mo
Wells on the lease
FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL
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-4-13886, documented in the API reference.