MARSHALL BROS.

Oil · District 04 · Lease #11665

Operator: ELAND ENERGY, INC.

Cum Oil

14k BBL

Cum Gas

33k MCF

casinghead

Wells

1

Production

1993-01 — 2014-05

Peak Month

2000-11

Production History

Cum Oil: 13,552 BBL Cum Gas: 32,941 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

131 BBL/mo

Di (annual)

15.7%

b-factor

0.0

EUR

9,901 BBL

R-squared

0.493

type

exponential

Operator History (from monthly production reports)

1993-01 — 2014-10 ELAND ENERGY, INC. 262 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4COATES GEORGE H. ESTATE OF16,7081988-11-28