BLACK RANCH "A"

Oil · District 7B · Lease #23678

Operator: REMARK OIL LLC

Cum Oil

25k BBL

Cum Gas

7k MCF

casinghead

Wells

1

Production

1993-01 — 2026-03

Peak Month

1997-06

Production History

Cum Oil: 25,307 BBL Cum Gas: 6,869 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

199 BBL/mo

Di (annual)

9.9%

b-factor

0.0

EUR

23,872 BBL

R-squared

0.891

type

exponential

Operator History (from monthly production reports)

2019-01 — 2026-07 ATLAS OPERATING LLC 91 mo
2018-08 — 2018-12 REMARK OIL LLC 5 mo
1993-01 — 2018-07 BRECK OPERATING CORP. 307 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1ATLAS OPERATING LLC14,6001985-12-31