UNIVERSITY 15 'A'

Oil // district 10 // lease#45460

op: STEPHENS & JOHNSON OPERATING CO.

cum_oil

56k BBL

cum_gas

0 MCF

wells

3

production

2014-09 — 2026-03

peak_month

2017-12

-- production_history

cum_oil: 56,344 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

1,056 BBL/mo

Di (annual)

84.5%

b-factor

2.0

EUR

123,648 BBL

R-squared

0.575

type

hyperbolic

-- wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4STEPHENS & JOHNSON OPERATING CO.27,5002019-10-25
2STEPHENS & JOHNSON OPERATING CO.27,5002017-08-30
1STEPHENS & JOHNSON OPERATING CO.27,5002014-09-04
EOF // data source: Texas Railroad Commission // 2026