SOUTHLAND ROYALTY -C-

Oil · District 08 · Lease #32033

Operator: MARALO, LLC

Cum Oil

40k BBL

Cum Gas

9k MCF

casinghead

Wells

1

Production

1993-01 — 2026-04

Peak Month

1993-03

Production History

Cum Oil: 40,142 BBL Cum Gas: 8,846 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

152 BBL/mo

Di (annual)

3.5%

b-factor

0.0

EUR

43,339 BBL

R-squared

0.457

type

exponential

Operator History (from monthly production reports)

2023-03 — 2026-07 HIGHMARK ENERGY OPERATING, LLC 41 mo
2013-01 — 2023-02 LEGACY RESERVES OPERATING LP 122 mo
2004-12 — 2012-12 COG OPERATING LLC 97 mo
1999-01 — 2004-11 MARALO, LLC 71 mo
1993-01 — 1998-12 MARALO, INC. 72 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2HIGHMARK ENERGY OPERATING, LLC29,3601988-03-25