RAYBURN UNIT #4

Oil // district 6 // lease#13785

op: TANA OIL AND GAS CORPORATION

cum_oil

57k BBL

cum_gas

0 MCF

wells

2

production

1997-12 — 2026-03

peak_month

1998-03

-- production_history

cum_oil: 56,970 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

2,357 BBL/mo

Di (annual)

73.6%

b-factor

0.2

EUR

47,927 BBL

R-squared

0.579

type

hyperbolic

-- wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4TANA OIL AND GAS CORPORATION210,0002007-08-10
4HTANA OIL AND GAS CORPORATION210,0002007-08-10
EOF // data source: Texas Railroad Commission // 2026