READ "B"

Oil · District 11 · Lease #64295

Operator: SOUTHWESTERN ENERGY PROD. CO.

Cum Oil

385k BBL

Cum Gas

0 MCF

Wells

1

Production

1993-01 — 2026-03

Peak Month

1996-06

Production History

Cum Oil: 385,397 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

1,550 BBL/mo

Di (annual)

4.6%

b-factor

0.1

EUR

379,853 BBL

R-squared

0.745

type

hyperbolic

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1ENERGY RESERVES GROUP, INC.111,2441983-03-07
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