SASI RANCH UNIT

Oil // district 6 // lease#15054

op: MONTARE OPERATING, LTD.

cum_oil

1.3M BBL

cum_gas

0 MCF

wells

5

production

2010-12 — 2026-03

peak_month

2013-03

-- production_history

cum_oil: 1,346,073 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

12,554 BBL/mo

Di (annual)

7.8%

b-factor

0.0

EUR

1,902,918 BBL

R-squared

0.390

type

exponential

-- wells (5)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3MONTARE OPERATING, LTD.412,0002025-08-26
6STENERGY PRODUCTION CORPORATION212,0002012-01-04
4ENERGY PRODUCTION CORPORATION212,0002010-08-05
5STENERGY PRODUCTION CORPORATION312,0002010-08-05
2SXENERGY PRODUCTION CORPORATION510,0002009-11-18
EOF // data source: Texas Railroad Commission // 2026