HARTWICH

Oil · District 08 · Lease #24177

Operator: SMITH & MARRS INC.

Cum Oil

46k BBL

Cum Gas

101k MCF

casinghead

Wells

2

Production

1993-01 — 2023-12

Peak Month

2007-11

Production History

Cum Oil: 45,870 BBL Cum Gas: 100,551 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

503 BBL/mo

Di (annual)

28.1%

b-factor

0.1

EUR

23,774 BBL

R-squared

0.923

type

hyperbolic

Operator History (from monthly production reports)

2002-06 — 2026-07 SEABOARD OPERATING CO. 290 mo
1998-02 — 2002-05 SEABOARD OIL COMPANY 52 mo
1997-10 — 1998-01 SMITH & MARRS INC. 4 mo
1994-08 — 1997-09 HARKEY ENERGY INC. 38 mo
1993-01 — 1994-07 ORLA PETCO, INC. 19 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2SEABOARD OPERATING CO.25,2002014-05-21
142-475-30896SEABOARD OPERATING CO.------