< leases

SHEARER -A-

Oil · District 08 · Lease #21634

Operator: SHERIDAN PRODUCTION COMPANY, LLC

Fields: SUN VALLEY (TUBB, LOWER)

Cum Oil

81k BBL

Cum Gas

69k MCF

casinghead

Wells

5

Production

1993-01 — 2025-09

Peak Month

2009-07

Production History

Cum Oil: 81,021 BBL Cum Gas: 69,078 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

518 BBL/mo

Di (annual)

7.9%

b-factor

0.0

EUR

76,935 BBL

R-squared

0.562

type

exponential

Operator History (from monthly production reports)

2024-01 — 2026-07 LAST MILE PRODUCTION, LLC 31 mo
2017-03 — 2023-12 ISKANDIA ENERGY OPERATING, INC. 82 mo
2013-02 — 2017-02 SHERIDAN PRODUCTION COMPANY, LLC 49 mo
2009-06 — 2013-01 SANDRIDGE EXPL. AND PROD., LLC 44 mo
2006-12 — 2009-05 SANDRIDGE ENERGY, INC. 30 mo
1993-08 — 2006-11 RIATA ENERGY, INC. 160 mo
1993-01 — 1993-07 LAWRENCE, C. F. & ASSOC. INC. 7 mo

Wells (5)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
442-371-31459LAST MILE PRODUCTION LLC14,9002012-05-08
4H42-371-31459LAST MILE PRODUCTION LLC14,9002012-05-08
142-371-30369LAST MILE PRODUCTION LLC------
242-371-30919LAST MILE PRODUCTION LLC------
342-371-30663LAST MILE PRODUCTION LLC------