HARTZENDORF, ERIC

Oil // district 4 // lease#11262

op: RESERVE OPERATING CORP.

cum_oil

7k BBL

cum_gas

0 MCF

wells

2

production

1993-01 — 1995-07

peak_month

1993-08

-- production_history

cum_oil: 7,087 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

406 BBL/mo

Di (annual)

102.3%

b-factor

0.0

EUR

4,757 BBL

R-squared

0.676

type

exponential

-- wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1SOUTHERN ROYALTY INC.25,8541995-04-18
5SOUTHERN ROYALTY INC.15,9001988-04-21
EOF // data source: Texas Railroad Commission // 2026