UNIVERSITY -11-

Oil // district 9 // lease#7799

op: RHR OIL & GAS, LLC

cum_oil

65k BBL

cum_gas

0 MCF

wells

4

production

1993-01 — 2026-03

peak_month

1994-12

-- production_history

cum_oil: 65,426 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

342 BBL/mo

Di (annual)

6.5%

b-factor

0.0

EUR

60,545 BBL

R-squared

0.609

type

exponential

-- wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4BROTHERTON PRODUCTION CO.12,6001987-10-09
3BROTHERTON PRODUCTION CO.12,6001986-12-18
1BROTHERTON PRODUCTION CO.22,6501980-03-26
2BROTHERTON PRODUCTION CO.12,6501979-02-16
EOF // multi-state drilling data platform // 2026