HERRING RANCH

Oil // district 2 // lease#8823

op: AMPAK OIL COMPANY

cum_oil

65k BBL

cum_gas

0 MCF

wells

5

production

2003-09 — 2026-03

peak_month

2004-04

-- production_history

cum_oil: 64,919 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

1,103 BBL/mo

Di (annual)

28.9%

b-factor

0.0

EUR

45,771 BBL

R-squared

0.767

type

exponential

-- wells (5)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2AMPAK OIL COMPANY36,0002024-07-16
5AMPAK OIL COMPANY26,0002021-11-19
7AMPAK OIL COMPANY25,8002021-10-08
3AMPAK OIL COMPANY16,0002003-12-11
1AMPAK OIL COMPANY16,0002003-06-16
EOF // data source: Texas Railroad Commission // 2026