BLACK "18"

Oil // district 10 // lease#35526

op: STEPHENS, AUTRY C.

cum_oil

297k BBL

cum_gas

0 MCF

wells

4

production

1997-09 — 2026-03

peak_month

1999-07

-- production_history

cum_oil: 296,629 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

2,566 BBL/mo

Di (annual)

14.3%

b-factor

0.3

EUR

286,558 BBL

R-squared

0.806

type

hyperbolic

-- wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4STEPHENS, AUTRY C.111,0001998-12-28
3STEPHENS, AUTRY C.111,0001998-12-21
2STEPHENS, AUTRY C.211,0001997-06-10
1STEPHENS, AUTRY C.111,0001997-05-30
EOF // multi-state drilling data platform // 2026