Petrora

LEASES · O-10-35439 · OIL · DISTRICT 08

Windham "11"

Reporting

Ovintiv USA Inc. · Midland County · Spraberry (Trend Area) field

Windham "11" is an RRC oil lease (O-10-35439) in Midland County operated by Ovintiv USA Inc., with 5 wells completed on it.

It has reported 296K barrels of oil and 625K mcf of gas since July 1997, last reporting volume in April 2026 (statewide data runs through April 2026).

It reported 1.53K barrels of oil in the 12 months through April 2026, down 27% on the year before; the lease peaked at 5.08K barrels in September 1997.

9 operators have filed production on it, most recently Ovintiv USA Inc. since February 2020.

296K
bbl oil, all reported
625K
mcf gas incl. casinghead
1.53K
bbl oil, 12 months through Apr 2026
-27%
vs the 12 before
5
wells completed on it
5.08K
peak month, bbl (Sep 1997)

PDQ LEASE REPORTS · FIRST JUL 1997 · 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.

12 months through Apr 2026 1,528 · prior 12 2,104(-27%)

05001K2017201820192020202120222023202420252026

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.

12 months through Apr 2026 5,871 · prior 12 2,892(+103%)

02K4K2017201820192020202120222023202420252026

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.

  1. Arco PermianJul 1997 → Dec 2001 · 54 mo
  2. BP America Production CompanyJan 2002 → Jun 2003 · 18 mo
  3. OXY USA WTP LPJul 2003 → Jul 2003 · 1 mo
  4. Forest Oil CorporationAug 2003 → Dec 2009 · 77 mo
  5. Sandridge Expl. and Prod., LLCJan 2010 → Sep 2010 · 9 mo
  6. Athlon Energy Operating LLCOct 2010 → Dec 2013 · 39 mo
  7. Athlon Holdings LPJan 2014 → Jan 2015 · 13 mo
  8. Encana Oil & Gas(usa) Inc.Feb 2015 → Jan 2020 · 60 mo
  9. Ovintiv USA Inc.Feb 2020 → Jul 2026 · 78 mo

Wells on the lease

FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL

5

wells completed on the lease

Not on Schedule
3
Producing
1
Shut In
1

Operates them now

Ovintiv USA Inc.
5

Newest permits

All 5 wells, searchable →

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-10-35439, documented in the API reference.