< leases

MARK & SANDRA UNIT

Oil · District 01 · Lease #16060

Operator: SN OPERATING, LLC

Fields: BRISCOE RANCH (EAGLEFORD)

Cum Oil

272k BBL

Cum Gas

64k MCF

casinghead

Wells

2

Production

2012-06 — 2026-03

Peak Month

2013-01

Production History

Cum Oil: 271,861 BBL Cum Gas: 64,033 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

9,747 BBL/mo

Di (annual)

120.2%

b-factor

0.9

EUR

349,879 BBL

R-squared

0.879

type

hyperbolic

Operator History (from monthly production reports)

2021-04 — 2026-07 ATLAS OPERATING LLC 64 mo
2021-01 — 2021-03 CATARINA MIDSTREAM, LLC 3 mo
2016-11 — 2020-12 SANCHEZ OIL & GAS CORPORATION 50 mo
2014-05 — 2016-10 SN OPERATING, LLC 30 mo
2012-06 — 2014-04 SANCHEZ OIL & GAS CORPORATION 23 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3H42-507-32943ATLAS OPERATING LLC18,4002012-10-17
2H42-507-32900ATLAS OPERATING LLC16,8002012-05-08