NEAL "A"

Oil // district 9 // lease#13459

op: PIONEER NATURAL RES. USA, INC.

cum_oil

78k BBL

cum_gas

0 MCF

wells

2

production

1993-04 — 2023-10

peak_month

1993-11

-- production_history

cum_oil: 77,776 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

888 BBL/mo

Di (annual)

15.9%

b-factor

0.1

EUR

74,187 BBL

R-squared

0.780

type

hyperbolic

-- wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2GRAHAM ROYALTY, LTD.18,6001993-06-14
1GRAHAM ROYALTY, LTD.18,6001992-11-12
EOF // data source: Texas Railroad Commission // 2026