STATE OF TEXAS -S-

Oil · District 10 · Lease #425

Operator: SHERIDAN PRODUCTION COMPANY, LLC

Fields: BLOCK 12

Cum Oil

17k BBL

Cum Gas

0 MCF

Wells

4

Production

1993-01 — 2026-03

Peak Month

2011-10

Production History

Cum Oil: 16,537 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

312 BBL/mo

Di (annual)

64.6%

b-factor

0.6

EUR

12,555 BBL

R-squared

0.381

type

hyperbolic

Wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
5SANDRIDGE EXPL. AND PROD., LLC17,9002011-05-12
2OK ARENA OPERATING COMPANY18,3502010-04-30
1RASMUSSEN, HAL J. OPERATING, INC27,2302000-08-09
3TEXACO INC.410,1831990-09-28
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