LOCKHART BANK OIL UNIT #3

Oil // district 3 // lease#16117

op: SHERIDAN ENERGY,INC.

cum_oil

230k BBL

cum_gas

0 MCF

wells

2

production

1993-01 — 2026-03

peak_month

1993-01

-- production_history

cum_oil: 229,682 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

2,386 BBL/mo

Di (annual)

11.7%

b-factor

0.0

EUR

244,608 BBL

R-squared

0.657

type

exponential

-- wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1SUPERIOR OIL COMPANY, THE612,5002002-11-01
2SUPERIOR OIL COMPANY, THE411,1911983-12-05
EOF // data source: Texas Railroad Commission // 2026