LEASES · O-9-10054 · OIL · DISTRICT 7C
Slack
ReportingTag Operating Company, Inc. · Tom Green County · Giebel Slack (Strawn Lime) field
Slack is an RRC oil lease (O-9-10054) in Tom Green County operated by Tag Operating Company, Inc., with one well completed on it.
It has reported 557K barrels of oil and 13.3K mcf of gas since January 1993, last reporting volume in March 2026 (statewide data runs through April 2026).
The last 12 reported months total 3.24K barrels of oil, down 20% on the year before; the lease peaked at 4.93K barrels in March 1994.
3 operators have filed production on it, most recently Tag Operating Company, Inc. since January 2020.
- 557K
- bbl oil, all reported
- 13.3K
- mcf gas incl. casinghead
- 3.24K
- bbl oil, last 12 reported
- -20%
- vs the 12 before
- 1
- wells completed on it
- 4.93K
- peak month, bbl (Mar 1994)
PDQ LEASE REPORTS · FIRST JAN 1993 · 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 3,242 · prior 12 4,050(-20%)
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.
- Giebel Petroleum Ltd.Jan 1993 → Jul 2019 · 319 mo
- Pecos Operating Company, LLCAug 2019 → Dec 2019 · 5 mo
- Tag Operating Company, Inc.Jan 2020 → Jul 2026 · 79 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-9-10054, documented in the API reference.