SHANNON

Oil // district 9 // lease#2019

op: SOUTHLAND ROYALTY COMPANY

cum_oil

2.4M BBL

cum_gas

0 MCF

wells

14

production

1993-01 — 2026-03

peak_month

2001-12

-- production_history

cum_oil: 2,358,510 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

19,129 BBL/mo

Di (annual)

16.9%

b-factor

0.0

EUR

1,360,589 BBL

R-squared

0.586

type

exponential

-- wells (14)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
6O'RYAN OIL AND GAS11,9992002-03-12
7SOUTHLAND ROYALTY COMPANY11,7301995-05-02
17SOUTHLAND ROYALTY COMPANY16,6001992-05-12
142-105-00363--------
1042-105-00401--------
10D42-105-00401--------
1142-105-00402--------
12W42-105-00403--------
242-105-00393--------
342-105-00394--------
442-105-00395--------
542-105-00396--------
842-105-00399--------
942-105-00400--------
EOF // data source: Texas Railroad Commission // 2026