CALDWELL -26-

Oil // district 10 // lease#36158

op: HAMMAN OIL & REFINING COMPANY

cum_oil

35k BBL

cum_gas

0 MCF

wells

2

production

1999-11 — 2026-03

peak_month

1999-12

-- production_history

cum_oil: 35,162 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

1,702 BBL/mo

Di (annual)

286.4%

b-factor

0.7

EUR

20,515 BBL

R-squared

0.789

type

hyperbolic

-- wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4HAMMAN OIL & REFG. CO.18,0001999-10-27
3HAMMAN OIL & REFG. CO.18,0001999-09-17
EOF // multi-state drilling data platform // 2026