PARKER "B"

Oil // district 10 // lease#2469

op: WALSH & WATTS, INC.

fields: HARPER

cum_oil

123k BBL

cum_gas

0 MCF

wells

13

production

1993-01 — 2026-03

peak_month

2011-10

-- production_history

cum_oil: 122,716 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

1,708 BBL/mo

Di (annual)

23.0%

b-factor

0.0

EUR

89,238 BBL

R-squared

0.800

type

exponential

-- wells (13)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
15WALSH & WATTS, INC.14,5002013-12-13
14WALSH & WATTS, INC.14,5002012-06-26
13WALSH & WATTS, INC.14,5002011-05-17
1042-135-20846--------
1142-135-20847--------
1242-135-21094--------
242-135-03688--------
342-135-03687--------
5D42-135-03685--------
642-135-03684--------
742-135-03683--------
842-135-03682--------
942-135-03681--------
EOF // data source: Texas Railroad Commission // 2026