MARY K. SHIRK

Oil // district 9 // lease#17939

op: OPAL RESOURCES OPERATING CO.,LLC

cum_oil

51k BBL

cum_gas

0 MCF

wells

2

production

2012-06 — 2026-03

peak_month

2012-07

-- production_history

cum_oil: 50,956 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

817 BBL/mo

Di (annual)

24.3%

b-factor

0.1

EUR

44,660 BBL

R-squared

0.408

type

hyperbolic

-- wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
7OPAL RESOURCES OPERATING CO.,LLC213,0002011-09-27
6OPAL RESOURCES OPERATING CO.,LLC213,0002011-07-25
EOF // multi-state drilling data platform // 2026