LEASES · O-10-34887 · OIL · DISTRICT 08

Zachary Estate

No volume since Aug 2015

Mas Operating Co. · Winkler County · Keystone (Holt) field

Zachary Estate is an RRC oil lease (O-10-34887) in Winkler County operated by Mas Operating CO., with 2 wells completed on it.

It has reported 83K barrels of oil and 616K mcf of gas since March 1996, last reporting volume in August 2015 (statewide data runs through April 2026).

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

3 operators have filed production on it, most recently Mas Operating CO. since August 2004.

83K
bbl oil, all reported
616K
mcf gas incl. casinghead
0
bbl oil, last 12 reported
-100%
vs the 12 before
2
wells completed on it
1.56K
peak month, bbl (Feb 2014)

PDQ LEASE REPORTS · FIRST MAR 1996 · LAST VOLUME AUG 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 3,295(-100%)

01K2K2008200920102011201220132014201520162017

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 12,804(-100%)

05K10K2008200920102011201220132014201520162017

Who reported it

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

  1. Dudley Oil Co.Mar 1996 → Dec 1998 · 34 mo
  2. Dan Mar Well ServiceJan 1999 → Jul 2004 · 67 mo
  3. Mas Operating Co.Aug 2004 → Mar 2017 · 152 mo

Wells on the lease

FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL

2

wells completed on the lease

Not on Schedule
2

Operates them now

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-10-34887, documented in the API reference.