COWDEN RANCH -7-

Oil // district 10 // lease#30181

op: RUST OIL CORP.

cum_oil

397k BBL

cum_gas

0 MCF

wells

8

production

1993-01 — 2026-03

peak_month

1995-01

-- production_history

cum_oil: 397,063 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

3,246 BBL/mo

Di (annual)

10.8%

b-factor

0.0

EUR

357,719 BBL

R-squared

0.955

type

exponential

-- wells (8)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1RUST OIL CORP.29,5002025-08-29
8RUST OIL CORP.19,0001988-07-05
7RUST OIL CORP.19,0001988-02-05
6RUST OIL CORP.19,0001987-09-16
5RUST OIL CORP.29,0001987-04-14
4RUST OIL CORP.29,0001986-12-09
3RUST OIL CORP.18,9291986-07-28
2RUST OIL CORP.29,5001986-02-11
EOF // multi-state drilling data platform // 2026