RICHARD UNIT

Oil // district 3 // lease#15153

op: UNION PACIFIC RESOURCES COMPANY

cum_oil

8k BBL

cum_gas

0 MCF

wells

1

production

1993-01 — 2023-09

peak_month

1993-06

-- production_history

cum_oil: 8,299 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

271 BBL/mo

Di (annual)

25.1%

b-factor

0.0

EUR

12,894 BBL

R-squared

0.391

type

exponential

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1WINDSOR PRODUCING CO.19,9001981-12-21
EOF // data source: Texas Railroad Commission // 2026