N.C. GRIFFIN TRACT 1

Oil // district 13 // lease#33654

op: STEPHENS & JOHNSON OPERATING CO.

cum_oil

20k BBL

cum_gas

0 MCF

wells

1

production

2017-07 — 2026-03

peak_month

2018-01

-- production_history

cum_oil: 20,462 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

323 BBL/mo

Di (annual)

19.3%

b-factor

0.6

EUR

36,263 BBL

R-squared

0.690

type

hyperbolic

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1STEPHENS & JOHNSON OPERATING CO.34,0602017-07-20
EOF // data source: Texas Railroad Commission // 2026