PARKER "A"

Oil // district 10 // lease#2468

op: WALSH & WATTS, INC.

fields: HARPER

cum_oil

150k BBL

cum_gas

0 MCF

wells

15

production

1993-01 — 2026-03

peak_month

2011-06

-- production_history

cum_oil: 150,182 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

1,699 BBL/mo

Di (annual)

38.5%

b-factor

0.8

EUR

133,104 BBL

R-squared

0.902

type

hyperbolic

-- wells (15)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
16WALSH & WATTS, INC.14,5002013-01-31
15WALSH & WATTS, INC.14,4002011-07-08
14WALSH & WATTS, INC.14,4002011-03-22
13WALSH & WATTS, INC.16,1002010-03-26
142-135-03695--------
1042-135-21121--------
1142-135-21219--------
1242-135-21230--------
242-135-03694--------
342-135-03693--------
442-135-03692--------
542-135-03691--------
642-135-03690--------
842-135-21132--------
942-135-21137--------
EOF // data source: Texas Railroad Commission // 2026