CALDWELL -26-

Oil · District 08 · Lease #36158

Operator: HAMMAN OIL & REFINING COMPANY

Cum Oil

35k BBL

Cum Gas

1.2M MCF

casinghead

Wells

2

Production

1999-11 — 2026-04

Peak Month

2000-01

Production History

Cum Oil: 35,182 BBL Cum Gas: 1,174,377 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,370 BBL/mo

Di (annual)

365.5%

b-factor

0.7

EUR

22,763 BBL

R-squared

0.876

type

hyperbolic

Operator History (from monthly production reports)

2020-09 — 2026-07 BOLDING ENERGY, LLC 71 mo
1999-11 — 2020-08 HAMMAN OIL & REFINING COMPANY 250 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4BOLDING ENERGY, LLC18,0001999-10-27
3BOLDING ENERGY, LLC18,0001999-09-17