SALLIE 13

Oil // district 10 // lease#38297

op: HENRY PETROLEUM LP

cum_oil

1.3M BBL

cum_gas

0 MCF

wells

19

production

2007-10 — 2026-03

peak_month

2010-09

-- production_history

cum_oil: 1,344,616 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

29,157 BBL/mo

Di (annual)

67.0%

b-factor

0.5

EUR

985,312 BBL

R-squared

0.890

type

hyperbolic

-- wells (19)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
19HFIREBIRD ENERGY LLC212,0002023-03-28
18HFIREBIRD ENERGY LLC312,0002023-01-20
10COG OPERATING LLC110,8002009-12-15
11COG OPERATING LLC110,8002009-12-15
12COG OPERATING LLC210,8002009-12-15
13COG OPERATING LLC110,8002009-12-15
14COG OPERATING LLC110,8002009-12-15
15COG OPERATING LLC110,8002009-12-15
16COG OPERATING LLC110,8002009-12-15
9COG OPERATING LLC110,8002009-12-15
6COG OPERATING LLC110,8002009-09-14
8COG OPERATING LLC110,8002009-09-11
5COG OPERATING LLC110,8002009-08-20
7COG OPERATING LLC110,8002009-08-20
1HENRY PETROLEUM LP110,8002007-07-06
2HENRY PETROLEUM LP110,8002007-05-23
1303HENRY PETROLEUM LP110,8002007-04-11
3HENRY PETROLEUM LP110,8002007-04-11
4HENRY PETROLEUM LP110,8002006-09-28
EOF // data source: Texas Railroad Commission // 2026