PHILLIPS

Oil // district 10 // lease#2809

op: SOUTHLAND ROYALTY COMPANY

cum_oil

552k BBL

cum_gas

0 MCF

wells

15

production

1993-01 — 2013-03

peak_month

2001-08

-- production_history

cum_oil: 552,061 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

3,470 BBL/mo

Di (annual)

9.4%

b-factor

0.2

EUR

513,694 BBL

R-squared

0.869

type

hyperbolic

-- wells (15)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
15SOUTHLAND ROYALTY COMPANY12,6001987-11-12
15LSOUTHLAND ROYALTY COMPANY12,6001987-11-12
15USOUTHLAND ROYALTY COMPANY12,6001987-11-12
15WSOUTHLAND ROYALTY COMPANY12,6001987-11-12
14SHENANDOAH OIL CORP.12,5501978-02-06
142-173-00702--------
1042-173-10327--------
12W42-173-30102--------
1342-173-30429--------
242-173-00705--------
442-173-00707--------
5W42-173-00708--------
642-173-00709--------
742-173-00710--------
842-173-10310--------
EOF // data source: Texas Railroad Commission // 2026