SOUTHLAND ROYALTY "B"

Oil · District 08 · Lease #25199

Operator: MARALO, LLC

Cum Oil

10k BBL

Cum Gas

138 MCF

casinghead

Wells

1

Production

1993-01 — 2000-09

Peak Month

1999-12

Production History

Cum Oil: 10,306 BBL Cum Gas: 138 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

459 BBL/mo

Di (annual)

800.0%

b-factor

0.0

EUR

713 BBL

R-squared

0.467

type

exponential

Operator History (from monthly production reports)

1999-01 — 2001-04 MARALO, LLC 28 mo
1993-01 — 1998-12 MARALO, INC. 72 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4MARALO LLC110,1001978-05-15