LEASES · O-1-5257 · OIL · DISTRICT 01
Naegelin
ReportingRed Chalk Resources LLC · Atascosa County · Somerset field
Naegelin is an RRC oil lease (O-1-5257) in Atascosa County operated by Red Chalk Resources LLC, with 4 wells completed on it.
It has reported 1.3K barrels of oil and 1 mcf of gas since January 1993, last reporting volume in April 2026 (statewide data runs through April 2026).
The last 12 reported months total 43 barrels of oil; the lease peaked at 65 barrels in October 2017.
7 operators have filed production on it, most recently Red Chalk Resources LLC since July 2020.
- 1.3K
- bbl oil, all reported
- 1
- mcf gas incl. casinghead
- 43
- bbl oil, last 12 reported
- —
- vs the 12 before
- 4
- wells completed on it
- 65
- peak month, bbl (Oct 2017)
PDQ LEASE REPORTS · FIRST JAN 1993 · 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 · prior 12 26(+65%)
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 0 · prior 12 0
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.
- Petroleum Oilfield Services Inc.Jan 1993 → May 2007 · 173 mo
- Regency Energy, Inc.Jun 2007 → Apr 2010 · 35 mo
- Blackbird Oil & Gas, LLC.May 2010 → Apr 2017 · 84 mo
- Overstreet, Jamie LMay 2017 → Jun 2018 · 14 mo
- Longshot Energy LLCJul 2018 → Jan 2019 · 7 mo
- 338 Oil & Gas, Inc.Feb 2019 → Jun 2020 · 17 mo
- Red Chalk Resources LLCJul 2020 → Jul 2026 · 73 mo
Wells on the lease
FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL
4
wells completed on the lease
- Producing
- 3
- Plugged
- 1
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-1-5257, documented in the API reference.