LEASES · O-4-12550 · OIL · DISTRICT 04
Sauz Ranch Mulatos Pasture
No volume since May 2017Chestnut Explor. and Prod., Inc. · Willacy County · Willamar, West (Miocene 6700) field
Sauz Ranch Mulatos Pasture is an RRC oil lease (O-4-12550) in Willacy County operated by Chestnut Explor. And Prod., Inc., with 3 wells completed on it.
It has reported 14.2K barrels of oil and 14.1K mcf of gas since March 1996, last reporting volume in May 2017 (statewide data runs through April 2026).
No volume was reported in the last 12 months; the last was in May 2017.
7 operators have filed production on it, most recently Chestnut Explor. And Prod., Inc. since August 2014.
- 14.2K
- bbl oil, all reported
- 14.1K
- mcf gas incl. casinghead
- 0
- bbl oil, last 12 reported
- —
- vs the 12 before
- 3
- wells completed on it
- 870
- peak month, bbl (Mar 2013)
PDQ LEASE REPORTS · FIRST MAR 1996 · LAST VOLUME MAY 2017 · 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
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
Who reported it
Each run of months one operator filed the production report, oldest first.
- Parker & Parsley Development L.PMar 1996 → Aug 1997 · 18 mo
- Pioneer Natural Res. USA, Inc.Sep 1997 → Jun 1999 · 22 mo
- Prize Operating CompanyJul 1999 → Mar 2002 · 33 mo
- Gruy Petroleum Management Co.Apr 2002 → Apr 2006 · 49 mo
- Cimarex Energy Co. of ColoradoMay 2006 → May 2011 · 61 mo
- Flint Oak Energy, LLCJun 2011 → Jul 2014 · 38 mo
- Chestnut Explor. and Prod., Inc.Aug 2014 → Jul 2026 · 144 mo
Wells on the lease
FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL
3
wells completed on the lease
- NO Type on File
- 2
- Plugged
- 1
Operates them now
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-4-12550, documented in the API reference.