SASI RANCH UNIT

Oil · District 06 · Lease #15054

Operator: MONTARE OPERATING, LTD.

Cum Oil

1.4M BBL

Cum Gas

1.2M MCF

casinghead

Wells

5

Production

2010-12 — 2026-04

Peak Month

2013-05

Production History

Cum Oil: 1,363,780 BBL Cum Gas: 1,184,400 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

12,587 BBL/mo

Di (annual)

7.8%

b-factor

0.0

EUR

1,893,999 BBL

R-squared

0.406

type

exponential

Operator History (from monthly production reports)

2023-12 — 2026-07 MONTARE OPERATING, LTD. 32 mo
2017-11 — 2023-11 BLACKWELL EXP & DEVELOPMENT, LLC 73 mo
2010-12 — 2017-10 ENERGY PRODUCTION CORPORATION 83 mo

Wells (5)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2SXMONTARE OPERATING, LTD.710,1002026-06-26
4MONTARE OPERATING, LTD.412,0002026-06-26
3MONTARE OPERATING, LTD.412,0002025-08-26
6STMONTARE OPERATING, LTD.212,0002012-01-04
5STMONTARE OPERATING, LTD.312,0002010-08-05