UNIVERSITY 15 "B"

Oil // district 10 // lease#25587

op: STEPHENS & JOHNSON OPERATING CO.

fields: FULLERTON

cum_oil

133k BBL

cum_gas

0 MCF

wells

5

production

1993-01 — 2026-03

peak_month

2012-07

-- production_history

cum_oil: 133,388 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

815 BBL/mo

Di (annual)

23.2%

b-factor

2.0

EUR

165,411 BBL

R-squared

0.474

type

hyperbolic

-- wells (5)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
6STEPHENS & JOHNSON OPERATING CO.17,5002016-08-24
5STEPHENS & JOHNSON OPERATING CO.17,5002011-12-22
3RAM EXPLORATION CO.17,5001980-07-14
2RAM EXPLORATION CO.17,5001979-07-06
1RAM EXPLORATION CO.17,5001979-05-25
EOF // data source: Texas Railroad Commission // 2026