LOCKHART BANK UNIT NO. 3

Oil // district 3 // lease#20075

op: SHERIDAN ENERGY,INC.

cum_oil

39k BBL

cum_gas

0 MCF

wells

2

production

1993-01 — 2008-03

peak_month

1993-01

-- production_history

cum_oil: 39,171 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

1,284 BBL/mo

Di (annual)

35.3%

b-factor

0.0

EUR

43,572 BBL

R-squared

0.652

type

exponential

-- wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3SUPERIOR OIL COMPANY, THE712,5002013-01-10
1SUPERIOR OIL COMPANY, THE612,5002002-11-01
EOF // data source: Texas Railroad Commission // 2026