MARY K. SHIRK

Oil // district 9 // lease#17651

op: OPAL RESOURCES OPERATING CO.,LLC

cum_oil

72k BBL

cum_gas

0 MCF

wells

2

production

2011-08 — 2026-03

peak_month

2011-11

-- production_history

cum_oil: 71,987 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

767 BBL/mo

Di (annual)

12.4%

b-factor

0.0

EUR

73,848 BBL

R-squared

0.435

type

exponential

-- wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
8HUNT OIL COMPANY110,6002013-04-08
5OPAL RESOURCES OPERATING CO.,LLC212,0002011-08-16
EOF // multi-state drilling data platform // 2026