LEASES · O-3-23647 · OIL · DISTRICT 03
Tomball Gas Unit #18
ReportingGalloway Lone Star, L.L.C. · Harris County · Tomball (Kobs) field
Tomball Gas Unit #18 is an RRC oil lease (O-3-23647) in Harris County operated by Galloway Lone Star, L.L.C., with one well completed on it.
It has reported 190K barrels of oil and 611K mcf of gas since March 1999, last reporting volume in April 2026 (statewide data runs through April 2026).
The last 12 reported months total 3.27K barrels of oil, down 43% on the year before; the lease peaked at 1.78K barrels in December 2001.
4 operators have filed production on it, most recently Galloway Lone Star, L.L.C. since February 2022.
- 190K
- bbl oil, all reported
- 611K
- mcf gas incl. casinghead
- 3.27K
- bbl oil, last 12 reported
- -43%
- vs the 12 before
- 1
- wells completed on it
- 1.78K
- peak month, bbl (Dec 2001)
PDQ LEASE REPORTS · FIRST MAR 1999 · 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 3,271 · prior 12 5,721(-43%)
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 33,484 · prior 12 61,859(-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.
- Gaither Petroleum CorporationMar 1999 → Jun 2015 · 196 mo
- Five-Jab, Inc.Jul 2015 → Jan 2019 · 43 mo
- Daylight Petroleum LLCFeb 2019 → Jan 2022 · 36 mo
- Galloway Lone Star, L.L.C.Feb 2022 → Jul 2026 · 54 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.
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