SOUTHLAND "A"

Oil // district 10 // lease#30976

op: MARATHON OIL COMPANY

cum_oil

126k BBL

cum_gas

0 MCF

wells

2

production

1993-01 — 2012-08

peak_month

2005-07

-- production_history

cum_oil: 125,524 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

643 BBL/mo

Di (annual)

8.2%

b-factor

1.1

EUR

157,537 BBL

R-squared

0.397

type

hyperbolic

-- wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1GUTHRIE, A. K. OPERATING CO.14,0001986-09-24
2GUTHRIE, A. K. OPERATING CO.14,0001986-09-24
EOF // data source: Texas Railroad Commission // 2026