LARUE-MARK INVESTMENTS UNIT

Oil // district 3 // lease#21221

op: UNION PACIFIC RESOURCES COMPANY

cum_oil

19k BBL

cum_gas

0 MCF

wells

1

production

1993-01 — 2005-09

peak_month

1993-12

-- production_history

cum_oil: 18,729 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

1,019 BBL/mo

Di (annual)

279.8%

b-factor

0.6

EUR

10,263 BBL

R-squared

0.689

type

hyperbolic

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1UNION PACIFIC RESOURCES COMPANY311,0002005-01-26
EOF // multi-state drilling data platform // 2026