RALPH, W. C.

Oil // district 6 // lease#12839

op: ZADECK ENERGY GROUP

cum_oil

32k BBL

cum_gas

0 MCF

wells

1

production

1993-01 — 2026-03

peak_month

1993-01

-- production_history

cum_oil: 31,556 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

277 BBL/mo

Di (annual)

11.8%

b-factor

0.3

EUR

36,493 BBL

R-squared

0.747

type

hyperbolic

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1ZADECK ENERGY GROUP510,0281991-03-14
EOF // data source: Texas Railroad Commission // 2026