LEASES · O-9-18406 · OIL · DISTRICT 7C
Jacee B Unit
ReportingSaxum Opco, LLC · Upton County · Spraberry (Trend Area) field
Jacee B Unit is an RRC oil lease (O-9-18406) in Upton County operated by Saxum Opco, LLC, with one well completed on it.
It has reported 249K barrels of oil and 2.22M mcf of gas since December 2013, last reporting volume in April 2026 (statewide data runs through April 2026).
The last 12 reported months total 5.53K barrels of oil, level with the year before; the lease peaked at 17K barrels in February 2014.
3 operators have filed production on it, most recently Saxum Opco, LLC since October 2025.
- 249K
- bbl oil, all reported
- 2.22M
- mcf gas incl. casinghead
- 5.53K
- bbl oil, last 12 reported
- +0%
- vs the 12 before
- 1
- wells completed on it
- 17K
- peak month, bbl (Feb 2014)
PDQ LEASE REPORTS · FIRST DEC 2013 · 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 5,525 · prior 12 5,527(0%)
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 178,552 · prior 12 244,491(-27%)
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.
- Diamondback E&P LLCDec 2013 → May 2021 · 90 mo
- Zarvona Energy LLCJun 2021 → Sep 2025 · 52 mo
- Saxum Opco, LLCOct 2025 → Jul 2026 · 10 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-9-18406, documented in the API reference.