MARVIN UNIT

Oil // district 3 // lease#17889

op: UNION PACIFIC RESOURCES COMPANY

cum_oil

39k BBL

cum_gas

0 MCF

wells

1

production

1993-01 — 2026-03

peak_month

1993-03

-- production_history

cum_oil: 39,174 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

347 BBL/mo

Di (annual)

13.9%

b-factor

0.3

EUR

39,831 BBL

R-squared

0.882

type

hyperbolic

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1SANTA FE - WINDSOR PRODUCING CO.28,9001984-07-10
EOF // data source: Texas Railroad Commission // 2026