LEASES · O-6-13781 · OIL · DISTRICT 06
Williams
ReportingExpress Energy Group, LLC · Cass County · Rodessa (Huffins-Hill) field
Williams is an RRC oil lease (O-6-13781) in Cass County operated by Express Energy Group, LLC, with one well completed on it.
It has reported 52.5K barrels of oil and 42.6K mcf of gas since January 1998, last reporting volume in April 2026 (statewide data runs through April 2026).
The last 12 reported months total 1.57K barrels of oil, up 41% on the year before; the lease peaked at 752 barrels in March 1998.
8 operators have filed production on it, most recently Express Energy Group, LLC since October 2025.
- 52.5K
- bbl oil, all reported
- 42.6K
- mcf gas incl. casinghead
- 1.57K
- bbl oil, last 12 reported
- +41%
- vs the 12 before
- 1
- wells completed on it
- 752
- peak month, bbl (Mar 1998)
PDQ LEASE REPORTS · FIRST JAN 1998 · 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 1,573 · prior 12 1,117(+41%)
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 1 · 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.
- Howell & Sandlin, Inc.Jan 1998 → Mar 1999 · 15 mo
- Classic Oil & Gas, Inc.Apr 1999 → Jan 2001 · 22 mo
- 3TEC Energy CorporationFeb 2001 → Jun 2003 · 29 mo
- PXP Gulf Coast Inc.Jul 2003 → Dec 2004 · 18 mo
- PXP Texas Inc.Jan 2005 → May 2005 · 5 mo
- XTO Energy Inc.Jun 2005 → Nov 2014 · 114 mo
- Okie Operating Company, Ltd.Dec 2014 → Sep 2025 · 130 mo
- Express Energy Group, LLCOct 2025 → Jul 2026 · 10 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-6-13781, documented in the API reference.