RAYBURN UNIT #12

Oil // district 6 // lease#13603

op: TANA OIL AND GAS CORPORATION

cum_oil

286k BBL

cum_gas

0 MCF

wells

1

production

1996-09 — 2026-03

peak_month

1997-02

-- production_history

cum_oil: 286,321 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

8,680 BBL/mo

Di (annual)

570.1%

b-factor

0.8

EUR

68,210 BBL

R-squared

0.388

type

hyperbolic

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
12TANA OIL AND GAS CORPORATION39,5001996-03-27
EOF // data source: Texas Railroad Commission // 2026