RICHTER, ALEX & VERA

Oil // district 1 // lease#13844

op: JENA OPERATING COMPANY, INC.

cum_oil

188 BBL

cum_gas

0 MCF

wells

1

production

1993-12 — 2026-03

peak_month

1993-12

-- production_history

cum_oil: 188 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

47 BBL/mo

Di (annual)

968.7%

b-factor

0.9

EUR

188 BBL

R-squared

0.482

type

hyperbolic

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1HMARK IV ENERGY37,0001993-02-04
EOF // data source: Texas Railroad Commission // 2026