LEASES · O-10-12670 · OIL · DISTRICT 08
Gilland
ReportingDarkens Oil & Gas Inc. · Crane County · McElroy field
Gilland is an RRC oil lease (O-10-12670) in Crane County operated by Darkens Oil & Gas Inc., with 3 wells completed on it.
It has reported 15.5K barrels of oil and 108 mcf of gas since January 1993, last reporting volume in April 2026 (statewide data runs through April 2026).
The last 12 reported months total 324 barrels of oil, down 7% on the year before; the lease peaked at 207 barrels in April 1996.
5 operators have filed production on it, most recently Darkens Oil & Gas Inc. since June 2012.
- 15.5K
- bbl oil, all reported
- 108
- mcf gas incl. casinghead
- 324
- bbl oil, last 12 reported
- -7%
- vs the 12 before
- 3
- wells completed on it
- 207
- peak month, bbl (Apr 1996)
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 324 · prior 12 348(-7%)
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.
- Heiser, HarveyJan 1993 → Feb 1994 · 14 mo
- K B A Oil Co.Mar 1994 → Jun 2000 · 76 mo
- P & P PetroleumJul 2000 → Oct 2002 · 28 mo
- Main Production, Inc.Nov 2002 → May 2012 · 115 mo
- Darkens Oil & Gas Inc.Jun 2012 → Jul 2026 · 170 mo
Wells on the lease
FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL
3
wells completed on the lease
- Producing
- 3
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-10-12670, documented in the API reference.