Petrora

LEASES · O-10-28427 · OIL · DISTRICT 08

Halfmann 4

No volume since Mar 2021

Pioneer Natural Res. USA, Inc. · Glasscock County · Dewey Lake, S. (Strawn) field

Halfmann 4 is an RRC oil lease (O-10-28427) in Glasscock County operated by Pioneer Natural Res. USA, Inc., with 2 wells completed on it.

It has reported 40.2K barrels of oil and 371K mcf of gas since January 1993, last reporting volume in March 2021 (statewide data runs through April 2026).

No volume was reported in the last 12 months; the last was in March 2021.

10 operators have filed production on it, most recently Pioneer Natural Res. USA, Inc. since February 2021.

40.2K
bbl oil, all reported
371K
mcf gas incl. casinghead
0
bbl oil, last 12 reported
—
vs the 12 before
2
wells completed on it
533
peak month, bbl (Nov 2009)

PDQ LEASE REPORTS · FIRST JAN 1993 · LAST VOLUME MAR 2021 · 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

01002003002014201520162017201820192020202120222023

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

05001K2014201520162017201820192020202120222023

Who reported it

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

  1. Costilla Petroleum CorporationJan 1993 → Jan 1997 · 49 mo
  2. Costilla Energy, Inc.Feb 1997 → Dec 1997 · 11 mo
  3. Concho Resources Inc.Jan 1998 → Jun 2001 · 42 mo
  4. Devon Energy Production Co, L.P.Jul 2001 → Jun 2002 · 12 mo
  5. Jetta Operating Company, Inc.Jul 2002 → Jan 2005 · 31 mo
  6. Sundown Energy LPFeb 2005 → Apr 2015 · 123 mo
  7. Diamondback E&P LLCMay 2015 → Dec 2016 · 20 mo
  8. DE Operating LLCJan 2017 → Apr 2017 · 4 mo
  9. Parsley Energy Operations, LLCMay 2017 → Jan 2021 · 45 mo
  10. Pioneer Natural Res. USA, Inc.Feb 2021 → Dec 2023 · 35 mo

Wells on the lease

FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL

2

wells completed on the lease

Plugged
2

Operates them now

Pioneer Natural Res. USA, Inc.
1
Pioneer Natural Res. USA Inc.
1

Newest permits

All 2 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-10-28427, documented in the API reference.