LEASES · O-10-41219 · OIL · DISTRICT 08
Chalk, G.O.-E-
ReportingCitation Oil & Gas Corp. · Howard County · Howard Glasscock (Consolidated) field
Chalk, G.O.-E- is an RRC oil lease (O-10-41219) in Howard County operated by Citation Oil & Gas Corp., with 24 wells completed on it.
It has reported 321K barrels of oil and 91.6K mcf of gas since December 2011, last reporting volume in April 2026 (statewide data runs through April 2026).
The last 12 reported months total 17.3K barrels of oil, down 13% on the year before; the lease peaked at 4.45K barrels in May 2013.
2 operators have filed production on it, most recently Citation Oil & Gas Corp. since February 2018.
- 321K
- bbl oil, all reported
- 91.6K
- mcf gas incl. casinghead
- 17.3K
- bbl oil, last 12 reported
- -13%
- vs the 12 before
- 24
- wells completed on it
- 4.45K
- peak month, bbl (May 2013)
PDQ LEASE REPORTS · FIRST DEC 2011 · 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 17,282 · prior 12 19,810(-13%)
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 5,666 · prior 12 7,341(-23%)
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.
- Conocophillips CompanyDec 2011 → Jan 2018 · 74 mo
- Citation Oil & Gas Corp.Feb 2018 → Jul 2026 · 102 mo
Wells on the lease
FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL
24
wells completed on the lease
- NO Type on File
- 19
- Plugged
- 4
- Producing
- 1
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-10-41219, documented in the API reference.