CASTLEBERRY

Oil // district 6 // lease#12406

op: SONAT EXPLORATION COMPANY -TYLER

cum_oil

2k BBL

cum_gas

0 MCF

wells

2

production

1993-01 — 2016-04

peak_month

1994-06

-- production_history

cum_oil: 1,846 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

110 BBL/mo

Di (annual)

58.2%

b-factor

0.0

EUR

2,242 BBL

R-squared

0.408

type

exponential

-- wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1MASS ENERGY, INC27,9001998-10-09
4MASS ENERGY, INC27,9001998-10-09
EOF // data source: Texas Railroad Commission // 2026