TUCKER "A"

Oil // district 10 // lease#23011

op: PETX OPERATING LLC

fields: ABELL (3200)

cum_oil

31k BBL

cum_gas

0 MCF

wells

8

production

1993-01 — 2026-03

peak_month

1993-03

-- production_history

cum_oil: 30,539 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

166 BBL/mo

Di (annual)

8.3%

b-factor

0.0

EUR

23,750 BBL

R-squared

0.530

type

exponential

-- wells (8)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
11GRAHAM, BILL J. OIL & GAS CORP.14,2002000-03-16
12GRAHAM, BILL J. OIL & GAS CORP.14,2002000-03-16
9GRAHAM, BILL J. OIL & GAS CORP.14,2002000-03-16
1042-103-30957--------
242-103-30587--------
342-103-30846--------
542-103-30901--------
642-103-30900--------
EOF // data source: Texas Railroad Commission // 2026