BIG BRUSHY

Oil // district 8 // lease#28217

op: UPHAM OIL & GAS COMPANY

cum_oil

8k BBL

cum_gas

0 MCF

wells

1

production

1997-05 — 2026-03

peak_month

2000-01

-- production_history

cum_oil: 8,242 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

344 BBL/mo

Di (annual)

70.0%

b-factor

0.0

EUR

5,883 BBL

R-squared

0.818

type

exponential

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1UPHAM, CHESTER R., JR.14,5001996-12-16
EOF // multi-state drilling data platform // 2026