SOUTHLAND ROYALTY -D-

Oil · District 08 · Lease #27692

Operator: MARALO, LLC

Cum Oil

13k BBL

Cum Gas

33k MCF

casinghead

Wells

3

Production

1993-01 — 1998-09

Peak Month

1993-10

Production History

Cum Oil: 12,959 BBL Cum Gas: 33,044 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

762 BBL/mo

Di (annual)

89.0%

b-factor

0.0

EUR

10,270 BBL

R-squared

0.863

type

exponential

Operator History (from monthly production reports)

1999-01 — 2001-01 MARALO, LLC 25 mo
1993-01 — 1998-12 MARALO, INC. 72 mo

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1HIGHMARK ENERGY OPERATING, LLC29,4001996-05-01
3MARALO LLC19,6001985-01-28
2MARALO LLC19,4001983-04-04