LEASES · O-9-15838 · OIL · DISTRICT 7C
Neal Ranch "57"
ReportingCOG Operating LLC · Upton County · Spraberry (Trend Area) field
Neal Ranch "57" is an RRC oil lease (O-9-15838) in Upton County operated by Cog Operating LLC, with 16 wells completed on it.
It has reported 1.07M barrels of oil and 2.66M mcf of gas since July 2005, last reporting volume in April 2026 (statewide data runs through April 2026).
It reported 24.4K barrels of oil in the 12 months through April 2026, down 35% on the year before; the lease peaked at 12.6K barrels in June 2012.
2 operators have filed production on it, most recently Cog Operating LLC since January 2010.
- 1.07M
- bbl oil, all reported
- 2.66M
- mcf gas incl. casinghead
- 24.4K
- bbl oil, 12 months through Apr 2026
- -35%
- vs the 12 before
- 16
- wells completed on it
- 12.6K
- peak month, bbl (Jun 2012)
PDQ LEASE REPORTS · FIRST JUL 2005 · 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.
12 months through Apr 2026 24,404 · prior 12 37,767(-35%)
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.
12 months through Apr 2026 48,648 · prior 12 52,399(-7%)
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.
- Terrace Petroleum CorporationJul 2005 → Dec 2009 · 54 mo
- COG Operating LLCJan 2010 → Jul 2026 · 199 mo
Wells on the lease
FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL
16
wells completed on the lease
- Producing
- 8
- Plugged
- 6
- Shut In
- 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-9-15838, documented in the API reference.