LEASES · O-13-12478 · OIL · DISTRICT 09
Holt Sand Unit
ReportingWako Oil Co. LLC · Montague County · Montague County Regular field
Holt Sand Unit is an RRC oil lease (O-13-12478) in Montague County operated by Wako Oil CO. LLC, with 63 wells completed on it.
It has reported 345K barrels of oil and 545 mcf of gas since January 1993, last reporting volume in April 2026 (statewide data runs through April 2026).
The last 12 reported months total 3.99K barrels of oil, up 25% on the year before; the lease peaked at 8.5K barrels in November 2003.
5 operators have filed production on it, most recently Wako Oil CO. LLC since December 2012.
- 345K
- bbl oil, all reported
- 545
- mcf gas incl. casinghead
- 3.99K
- bbl oil, last 12 reported
- +25%
- vs the 12 before
- 63
- wells completed on it
- 8.5K
- peak month, bbl (Nov 2003)
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 3,989 · prior 12 3,181(+25%)
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.
- O-Rrell Oil CompanyJan 1993 → Jan 2002 · 109 mo
- Seelye, William L.Feb 2002 → Feb 2005 · 37 mo
- Seel-Mac Oil & Gas LLCMar 2005 → Nov 2010 · 69 mo
- Brahman Operating, L.L.C.Dec 2010 → Nov 2012 · 24 mo
- Wako Oil Co. LLCDec 2012 → Jul 2026 · 164 mo
Wells on the lease
FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL
63
wells completed on the lease
- Plugged
- 21
- Producing
- 16
- Shut IN
- 15
- Injection
- 9
- Not on Schedule
- 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-13-12478, documented in the API reference.