HOELDTKE-ZETZSCHE UNIT #1

Oil // district 13 // lease#27054

op: INGRAM, J. OIL & GAS, INC.

cum_oil

274k BBL

cum_gas

0 MCF

wells

5

production

1993-01 — 2026-03

peak_month

2009-06

-- production_history

cum_oil: 273,809 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

1,584 BBL/mo

Di (annual)

18.3%

b-factor

0.0

EUR

103,611 BBL

R-squared

0.341

type

exponential

-- wells (5)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1INGRAM, J. OIL & GAS, INC.37,5002008-09-06
2 HTEXACO INC.26,5261990-06-05
2-HTEXACO INC.26,5261990-06-05
3 ZSUNRAY OPERATING COMPANY16,5511990-06-05
3-ZSUNRAY OPERATING COMPANY16,5511990-06-05
EOF // data source: Texas Railroad Commission // 2026