BERRY-LEHMAN "A"

Oil · District 1 · Lease #12208

Operator: VIOLA PROD., INC.

Cum Oil

3k BBL

Cum Gas

0 MCF

Wells

3

Production

1993-01 — 2026-03

Peak Month

1993-02

Production History

Cum Oil: 3,066 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

321 BBL/mo

Di (annual)

91.8%

b-factor

0.0

EUR

4,184 BBL

R-squared

0.675

type

exponential

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3CHESAPEAKE OPERATING, INC.29,0001991-02-15
1YAHOLA OPERATING CO.16,8821988-09-30
2YAHOLA OPERATING CO.46,9001988-09-30
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