LEASES · O-10-18991 · OIL · DISTRICT 08
Chalk, G. O. -E-
No volume since Nov 2011Conocophillips Company · Howard County · Howard-Glasscock (Glorieta) field
Chalk, G. O. -E- is an RRC oil lease (O-10-18991) in Howard County operated by Conocophillips Company, with 11 wells completed on it.
It has reported 310K barrels of oil and 64.3K mcf of gas since January 1993, last reporting volume in November 2011 (statewide data runs through April 2026).
The last 12 reported months total 5.11K barrels of oil, down 53% on the year before; the lease peaked at 3.34K barrels in December 1993.
2 operators have filed production on it, most recently Conocophillips Company since January 2003.
- 310K
- bbl oil, all reported
- 64.3K
- mcf gas incl. casinghead
- 5.11K
- bbl oil, last 12 reported
- -53%
- vs the 12 before
- 11
- wells completed on it
- 3.34K
- peak month, bbl (Dec 1993)
PDQ LEASE REPORTS · FIRST JAN 1993 · LAST VOLUME NOV 2011 · 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 5,114 · prior 12 10,971(-53%)
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 226 · prior 12 1,139(-80%)
Who reported it
Each run of months one operator filed the production report, oldest first.
- Conoco Inc.Jan 1993 → Dec 2002 · 120 mo
- Conocophillips CompanyJan 2003 → Apr 2012 · 112 mo
Wells on the lease
FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL
11
wells completed on the lease
- Not on Schedule
- 6
- Plugged
- 5
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-10-18991, documented in the API reference.