WENDLER

Oil · District 03 · Lease #21162

Operator: SOUTHWEST RESOURCES, INC.

Cum Oil

75k BBL

Cum Gas

469k MCF

casinghead

Wells

1

Production

1993-01 — 2006-11

Peak Month

1993-05

Production History

Cum Oil: 74,918 BBL Cum Gas: 469,185 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,813 BBL/mo

Di (annual)

45.5%

b-factor

0.3

EUR

67,698 BBL

R-squared

0.840

type

hyperbolic

Operator History (from monthly production reports)

2007-10 — 2009-03 SOUTHWEST RESOURCES, INC. 18 mo
1993-01 — 2007-09 MARATHON OIL COMPANY 177 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1SOUTHWEST RESOURCES INC.211,3001991-02-22