LEASES · O-10-35929 · OIL · DISTRICT 08
Caldwell -26-
No volume since Sep 1999Hamman Oil & Refining Company · Sterling County · Credo, E. (Cisco, Up.) field
Caldwell -26- is an RRC oil lease (O-10-35929) in Sterling County operated by Hamman Oil & Refining Company, with 2 wells completed on it.
It has reported 2.78K barrels of oil and 127K mcf of gas since November 1998, last reporting volume in September 1999 (statewide data runs through April 2026).
The last 12 reported months total 1.29K barrels of oil, down 14% on the year before; the lease peaked at 682 barrels in November 1998.
- 2.78K
- bbl oil, all reported
- 127K
- mcf gas incl. casinghead
- 1.29K
- bbl oil, last 12 reported
- -14%
- vs the 12 before
- 2
- wells completed on it
- 682
- peak month, bbl (Nov 1998)
PDQ LEASE REPORTS · FIRST NOV 1998 · LAST VOLUME SEP 1999 · 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 1,287
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 45,180
Who reported it
Each run of months one operator filed the production report, oldest first.
- Hamman Oil & Refining CompanyNov 1998 → Jan 2000 · 15 mo
Wells on the lease
FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL
2
wells completed on the lease
- 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-10-35929, documented in the API reference.