Petrora

LEASES · O-10-34187 · OIL · DISTRICT 08

Costilla Lou Ann

No volume since Oct 2009

Oxyrock Operating, LLC · Howard County · Lou Ann (Fusselman) field

Costilla Lou Ann is an RRC oil lease (O-10-34187) in Howard County operated by Oxyrock Operating, LLC, with one well completed on it.

It has reported 116K barrels of oil and 8.74K mcf of gas since June 1994, last reporting volume in October 2009 (statewide data runs through April 2026).

No volume was reported in the last 12 months; the last was in October 2009.

8 operators have filed production on it, most recently Oxyrock Operating, LLC since August 2024.

116K
bbl oil, all reported
8.74K
mcf gas incl. casinghead
0
bbl oil, last 12 reported
—
vs the 12 before
1
wells completed on it
5.93K
peak month, bbl (Jul 1994)

PDQ LEASE REPORTS · FIRST JUN 1994 · LAST VOLUME OCT 2009 · 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 0 · prior 12 0

012017201820192020202120222023202420252026

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

012017201820192020202120222023202420252026

Who reported it

Each run of months one operator filed the production report, oldest first.

  1. Fasken, BarbaraJun 1994 → Dec 1995 · 19 mo
  2. Fasken Oil and Ranch, Ltd.Jan 1996 → Dec 2003 · 96 mo
  3. Triag Energy Operating, Inc.Jan 2004 → Aug 2004 · 8 mo
  4. Endeavor Energy Resources L.P.Sep 2004 → May 2016 · 141 mo
  5. Qstar Operating LLCJun 2016 → Nov 2016 · 6 mo
  6. SM Energy CompanyDec 2016 → Jun 2017 · 7 mo
  7. Crownquest Operating, LLCJul 2017 → Jul 2024 · 85 mo
  8. Oxyrock Operating, LLCAug 2024 → Jul 2026 · 24 mo

Wells on the lease

FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL

1

wells completed on the lease

Partial Plug
1

Operates them now

Oxyrock Operating, LLC
1

Newest permits

All 1 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-10-34187, documented in the API reference.