LEASES · O-10-39788 · OIL · DISTRICT 08
Cook
ReportingXTO Energy Inc. · Midland County and Martin · Spraberry (Trend Area) field
Cook is an RRC oil lease (O-10-39788) in Midland County operated by Xto Energy Inc., with 10 wells completed on it.
It has reported 575K barrels of oil and 1.13M mcf of gas since October 2009, last reporting volume in April 2026 (statewide data runs through April 2026).
The last 12 reported months total 23.8K barrels of oil, down 30% on the year before; the lease peaked at 6.47K barrels in August 2010.
4 operators have filed production on it, most recently Xto Energy Inc. since November 2014.
- 575K
- bbl oil, all reported
- 1.13M
- mcf gas incl. casinghead
- 23.8K
- bbl oil, last 12 reported
- -30%
- vs the 12 before
- 10
- wells completed on it
- 6.47K
- peak month, bbl (Aug 2010)
PDQ LEASE REPORTS · FIRST OCT 2009 · 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 23,805 · prior 12 33,913(-30%)
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 53,075 · prior 12 43,660(+22%)
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.
- Meritage Energy Company, LLCOct 2009 → Feb 2010 · 5 mo
- Berry Oil Comp.Mar 2010 → Jun 2014 · 52 mo
- Linn Operating, Inc.Jul 2014 → Oct 2014 · 4 mo
- XTO Energy Inc.Nov 2014 → Jul 2026 · 141 mo
Wells on the lease
FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL
10
wells completed on the lease
- Producing
- 6
- NO Type on File
- 2
- Shut IN
- 2
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-10-39788, documented in the API reference.