LEASES · O-1-15801 · OIL · DISTRICT 01
Rathjen a Unit
ReportingJavelin Energy Partners Mgmt LLC · LA Salle County · Eagleville (Eagle Ford-1) field
Rathjen A Unit is an RRC oil lease (O-1-15801) in La Salle County operated by Javelin Energy Partners Mgmt LLC, with 4 wells completed on it.
It has reported 284K barrels of oil and 806K mcf of gas since January 2012, last reporting volume in March 2026 (statewide data runs through April 2026).
The last 12 reported months total 1.56K barrels of oil, down 75% on the year before; the lease peaked at 9.34K barrels in October 2012.
7 operators have filed production on it, most recently Javelin Energy Partners Mgmt LLC since February 2025.
- 284K
- bbl oil, all reported
- 806K
- mcf gas incl. casinghead
- 1.56K
- bbl oil, last 12 reported
- -75%
- vs the 12 before
- 4
- wells completed on it
- 9.34K
- peak month, bbl (Oct 2012)
PDQ LEASE REPORTS · FIRST JAN 2012 · LAST VOLUME MAR 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 1,563 · prior 12 6,281(-75%)
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 2,846 · prior 12 5,077(-44%)
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.
- Hess CorporationJan 2012 → May 2013 · 17 mo
- Sanchez Oil & Gas CorporationJun 2013 → Apr 2014 · 11 mo
- SN Operating, LLCMay 2014 → Nov 2016 · 31 mo
- Carrizo (Eagle Ford) LLCDec 2016 → Jan 2020 · 38 mo
- Callon (Eagle Ford) LLCFeb 2020 → Jun 2023 · 41 mo
- Ridgemar Energy Operating, LLCJul 2023 → Jan 2025 · 19 mo
- Javelin Energy Partners Mgmt LLCFeb 2025 → Jul 2026 · 18 mo
Wells on the lease
FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL
4
wells completed on the lease
- Producing
- 2
- NO Type on File
- 2
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.
Developers: this page as JSON is GET /v1/data/leases/tx/o-1-15801, documented in the API reference.