LEASES · O-9-16555 · OIL · DISTRICT 7C
Railway Ranch "30"
ReportingWinn Operating, LLC · Upton County · Spraberry (Trend Area) field
Railway Ranch "30" is an RRC oil lease (O-9-16555) in Upton County operated by Winn Operating, LLC, with 16 wells completed on it.
It has reported 1.04M barrels of oil and 6.04M mcf of gas since April 2008, last reporting volume in April 2026 (statewide data runs through April 2026).
The last 12 reported months total 22.7K barrels of oil, up 73% on the year before; the lease peaked at 28.3K barrels in December 2008.
3 operators have filed production on it, most recently Winn Operating, LLC since June 2025.
- 1.04M
- bbl oil, all reported
- 6.04M
- mcf gas incl. casinghead
- 22.7K
- bbl oil, last 12 reported
- +73%
- vs the 12 before
- 16
- wells completed on it
- 28.3K
- peak month, bbl (Dec 2008)
PDQ LEASE REPORTS · FIRST APR 2008 · 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 22,689 · prior 12 13,128(+73%)
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 78,312 · prior 12 53,551(+46%)
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 CorporationApr 2008 → Dec 2009 · 21 mo
- COG Operating LLCJan 2010 → May 2025 · 185 mo
- Winn Operating, LLCJun 2025 → Jul 2026 · 14 mo
Wells on the lease
FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL
16
wells completed on the lease
- Producing
- 15
- 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-9-16555, documented in the API reference.