MARKHAM

Oil · District 11 · Lease #65175

Operator: SHERIDAN PRODUCTION COMPANY, LLC

Cum Oil

87k BBL

Cum Gas

0 MCF

Wells

3

Production

1993-01 — 2026-03

Peak Month

1993-07

Production History

Cum Oil: 87,330 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

569 BBL/mo

Di (annual)

8.2%

b-factor

0.0

EUR

82,302 BBL

R-squared

0.803

type

exponential

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3SANDRIDGE EXPL. AND PROD., LLC17,8002011-07-25
2RIM OPERATING, INC.28,8002005-07-27
1USENCO17,8001984-10-26
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