LEASES · O-10-35128 · OIL · DISTRICT 08
Kolb 12
No volume since May 2001Cobra Oil & Gas Corporation · Glasscock County · Cobra (Wolfcamp) field
Kolb 12 is an RRC oil lease (O-10-35128) in Glasscock County operated by Cobra Oil & Gas Corporation, with one well completed on it.
It has reported 546K barrels of oil and 406K mcf of gas since November 1996, last reporting volume in May 2001 (statewide data runs through April 2026).
The last 12 reported months total 94.4K barrels of oil, down 25% on the year before; the lease peaked at 12.5K barrels in July 1997.
- 546K
- bbl oil, all reported
- 406K
- mcf gas incl. casinghead
- 94.4K
- bbl oil, last 12 reported
- -25%
- vs the 12 before
- 1
- wells completed on it
- 12.5K
- peak month, bbl (Jul 1997)
PDQ LEASE REPORTS · FIRST NOV 1996 · LAST VOLUME MAY 2001 · 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 94,409 · prior 12 125,666(-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 64,001 · prior 12 90,294(-29%)
Who reported it
Each run of months one operator filed the production report, oldest first.
- Cobra Oil & Gas CorporationNov 1996 → Aug 2001 · 58 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-10-35128, documented in the API reference.