WILBURN "D"

Oil // district 3 // lease#144

op: UNION SEABOARD CORPORATION

fields: BARBERS HILL

cum_oil

291k BBL

cum_gas

0 MCF

wells

5

production

1993-01 — 2026-03

peak_month

2011-04

-- production_history

cum_oil: 290,971 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

11,886 BBL/mo

Di (annual)

208.2%

b-factor

0.4

EUR

113,961 BBL

R-squared

0.522

type

hyperbolic

-- wells (5)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
14LINC GULF COAST PETROLEUM, INC.35,1302015-01-28
11ERG RESOURCES, L.L.C.26,0002011-04-06
13ERG RESOURCES, L.L.C.15,5002010-09-08
B 9ERG RESOURCES, L.L.C.15,5002010-07-16
12ERG RESOURCES, L.L.C.25,5002010-06-16
EOF // data source: Texas Railroad Commission // 2026