LEASES · O-9-14581 · OIL · DISTRICT 7C

Halff Estate A

No volume since Sep 2015

Apache Corporation · Reagan County · Spraberry (Trend Area CL. Fk.) field

Halff Estate A is an RRC oil lease (O-9-14581) in Reagan County operated by Apache Corporation, with one well completed on it.

It has reported 18.2K barrels of oil and 85K mcf of gas since March 1997, last reporting volume in September 2015 (statewide data runs through April 2026).

No volume was reported in the last 12 months; the last was in September 2015.

3 operators have filed production on it, most recently Apache Corporation since December 2010.

18.2K
bbl oil, all reported
85K
mcf gas incl. casinghead
0
bbl oil, last 12 reported
—
vs the 12 before
1
wells completed on it
720
peak month, bbl (Apr 1997)

PDQ LEASE REPORTS · FIRST MAR 1997 · LAST VOLUME SEP 2015 · 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

01002002007200820092010201120122013201420152016

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 629 · prior 12 2,009(-69%)

05001K2007200820092010201120122013201420152016

Who reported it

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

  1. Tamarack Petroleum Company, Inc.Mar 1997 → Nov 2007 · 129 mo
  2. Mariner Energy, Inc.Dec 2007 → Nov 2010 · 36 mo
  3. Apache CorporationDec 2010 → May 2016 · 66 mo

Wells on the lease

FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL

1

wells completed on the lease

Plugged
1

Operates them now

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-9-14581, documented in the API reference.