READ "B"

Oil · District 8A · Lease #64295

Operator: SOUTHWESTERN ENERGY PROD. CO.

Cum Oil

388k BBL

Cum Gas

212k MCF

casinghead

Wells

1

Production

1993-01 — 2026-04

Peak Month

2018-01

Production History

Cum Oil: 388,226 BBL Cum Gas: 212,215 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,533 BBL/mo

Di (annual)

4.5%

b-factor

0.1

EUR

382,511 BBL

R-squared

0.736

type

hyperbolic

Operator History (from monthly production reports)

2008-05 — 2026-07 FINLEY RESOURCES, INC. 219 mo
1996-07 — 2008-04 SOUTHWESTERN ENERGY PROD. CO. 142 mo
1993-01 — 1996-06 SIMMONS, L.B. ENERGY, INC. 42 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1FINLEY RESOURCES, INC.111,2441983-03-07