HANKAMER

Oil // district 3 // lease#17049

op: HILCORP ENERGY COMPANY

fields: GIST (WALDEN)

cum_oil

24k BBL

cum_gas

0 MCF

wells

5

production

1993-01 — 2000-08

peak_month

1994-12

-- production_history

cum_oil: 24,251 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

914 BBL/mo

Di (annual)

423.7%

b-factor

0.9

EUR

11,482 BBL

R-squared

0.481

type

hyperbolic

-- wells (5)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
8CONVEST ENERGY CORPORATION56,2001997-03-24
8RCONVEST ENERGY CORPORATION56,2001997-03-24
6SOUTHPORT EXPLORATION INC.26,1121991-11-01
5CONVEST ENERGY CORPORATION17,3001990-11-21
7CONVEST ENERGY CORPORATION16,2001983-03-25
EOF // data source: Texas Railroad Commission // 2026