QUINTANILLA -B-

Oil // district 1 // lease#14598

op: WELHAUSEN OPERATING COMPANY, LP

cum_oil

134k BBL

cum_gas

0 MCF

wells

3

production

2005-05 — 2026-03

peak_month

2008-02

-- production_history

cum_oil: 134,252 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

2,629 BBL/mo

Di (annual)

53.7%

b-factor

0.5

EUR

109,325 BBL

R-squared

0.704

type

hyperbolic

-- wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
B 2WELHAUSEN OPERATING COMPANY, LP110,0002007-09-21
B 3WELHAUSEN OPERATING COMPANY, LP110,0002007-07-31
B 1WELHAUSEN OPERATING COMPANY, LP19,8002005-03-22
EOF // multi-state drilling data platform // 2026