CHAPIN

Oil // district 11 // lease#70010

op: WALSH PETROLEUM, INC.

cum_oil

2k BBL

cum_gas

0 MCF

wells

2

production

2012-10 — 2026-03

peak_month

2012-10

-- production_history

cum_oil: 1,953 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

437 BBL/mo

Di (annual)

477.7%

b-factor

0.5

EUR

2,107 BBL

R-squared

0.623

type

hyperbolic

-- wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1BROWNING OIL COMPANY, INC.212,5002012-05-14
1DBROWNING OIL COMPANY, INC.212,5002012-05-14
EOF // multi-state drilling data platform // 2026