JOHNSTON -P-

Oil // district 1 // lease#4773

op: VAC-U-LIFT PRODUCTION CO.,INC.

cum_oil

3k BBL

cum_gas

0 MCF

wells

10

production

1993-01 — 2026-03

peak_month

1993-02

-- production_history

cum_oil: 2,526 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

147 BBL/mo

Di (annual)

70.7%

b-factor

0.0

EUR

2,483 BBL

R-squared

0.363

type

exponential

-- wells (10)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2STANDARD AMERICAN OPERATING CO.15,5701991-11-06
142-163-30347--------
1042-163-30419--------
1142-163-30582--------
342-163-30356--------
442-163-30360--------
542-163-30362--------
642-163-30393--------
742-163-30363--------
842-163-30372--------
EOF // multi-state drilling data platform // 2026