ISHAM

Oil // district 4 // lease#2195

op: WELDER EXPLORATION & PROD., INC.

cum_oil

23k BBL

cum_gas

0 MCF

wells

1

production

1993-01 — 2026-03

peak_month

1995-07

-- production_history

cum_oil: 22,681 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

278 BBL/mo

Di (annual)

19.9%

b-factor

0.2

EUR

20,627 BBL

R-squared

0.757

type

hyperbolic

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
13KIBBE, R. E.13,7501983-09-12
EOF // data source: Texas Railroad Commission // 2026