DOLORES COULTER TRUST

Oil · District 06 · Lease #14865

Operator: GOLDSTON OIL CORPORATION

Cum Oil

64k BBL

Cum Gas

26k MCF

casinghead

Wells

1

Production

2009-01 — 2026-04

Peak Month

2009-03

Production History

Cum Oil: 63,745 BBL Cum Gas: 25,764 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

448 BBL/mo

Di (annual)

4.9%

b-factor

0.0

EUR

99,735 BBL

R-squared

0.618

type

exponential

Operator History (from monthly production reports)

2009-01 — 2026-07 GOLDSTON OIL CORPORATION 211 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1GOLDSTON OIL CORPORATION19,0002008-06-16