CLARK

Oil // district 8 // lease#25598

op: RO-JO, INC.

cum_oil

37k BBL

cum_gas

0 MCF

wells

3

production

1993-01 — 2026-03

peak_month

2003-05

-- production_history

cum_oil: 37,418 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

293 BBL/mo

Di (annual)

29.1%

b-factor

0.2

EUR

14,979 BBL

R-squared

0.624

type

hyperbolic

-- wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3GLAHN RESOURCES, INC.12,7001990-06-06
2GLAHN RESOURCES, INC.23,7001989-12-12
1GLAHN RESOURCES, INC.13,0001989-09-29
EOF // multi-state drilling data platform // 2026