JANEY

Oil // district 10 // lease#37818

op: ST. MARY LAND & EXPLORATION CO.

cum_oil

443k BBL

cum_gas

0 MCF

wells

10

production

2006-01 — 2026-03

peak_month

2007-10

-- production_history

cum_oil: 443,174 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

5,890 BBL/mo

Di (annual)

29.6%

b-factor

0.3

EUR

334,243 BBL

R-squared

0.700

type

hyperbolic

-- wells (10)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1804ST. MARY LAND & EXPLORATION CO.112,0002010-03-31
1812ST. MARY LAND & EXPLORATION CO.112,0002010-03-31
1809ST. MARY LAND & EXPLORATION CO.112,0002009-11-18
1803ST. MARY LAND & EXPLORATION CO.111,0002007-12-03
1802ST. MARY LAND & EXPLORATION CO.111,0002007-04-30
1801ST. MARY LAND & EXPLORATION CO.111,0002007-04-23
1807ST. MARY LAND & EXPLORATION CO.111,0002007-04-23
1808ST. MARY LAND & EXPLORATION CO.111,0002007-04-09
1806HENRY PETROLEUM LP110,8002006-09-15
1805HENRY PETROLEUM LP210,8002005-10-17
EOF // data source: Texas Railroad Commission // 2026