STATE OF TEXAS -S-

Oil // district 10 // lease#425

op: 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
EOF // data source: Texas Railroad Commission // 2026