DUDA

Oil // district 8 // lease#25476

op: KARPER OIL & GAS CORPORATION

cum_oil

203k BBL

cum_gas

0 MCF

wells

2

production

1993-01 — 2015-01

peak_month

1998-11

-- production_history

cum_oil: 202,758 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

4,714 BBL/mo

Di (annual)

75.1%

b-factor

0.4

EUR

123,690 BBL

R-squared

0.914

type

hyperbolic

-- wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1SANTA FE ENERGY OPER. PART., LP37,0001991-05-17
4SANTA FE ENERGY OPER. PART., LP26,5501989-05-08
EOF // data source: Texas Railroad Commission // 2026