CHEVRON-UNIVERSITY "10"

Oil // district 10 // lease#33240

op: VIN FISHER OPERATING, INC.

cum_oil

221k BBL

cum_gas

0 MCF

wells

6

production

1993-01 — 2026-03

peak_month

2000-06

-- production_history

cum_oil: 221,270 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

1,517 BBL/mo

Di (annual)

38.7%

b-factor

1.0

EUR

141,723 BBL

R-squared

0.760

type

hyperbolic

-- wells (6)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
6MERCURY OPERATING, LLC26,0002018-04-16
5FOSSIL ROCK RESOURCES, INC.14,7502000-03-28
4RUST OIL CORP.14,7502000-03-27
3RUST OIL CORP.14,6001991-12-18
2RUST OIL CORP.14,7001991-09-30
1RUST OIL CORP.14,7001991-06-26
EOF // data source: Texas Railroad Commission // 2026