HOLLAND

Oil · District 8A · Lease #68993

Operator: GREAT WESTERN DRILLING COMPANY

Cum Oil

421k BBL

Cum Gas

72k MCF

casinghead

Wells

4

Production

2006-07 — 2026-04

Peak Month

2007-06

Production History

Cum Oil: 421,241 BBL Cum Gas: 72,117 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

5,528 BBL/mo

Di (annual)

65.2%

b-factor

1.4

EUR

508,338 BBL

R-squared

0.739

type

hyperbolic

Operator History (from monthly production reports)

2024-11 — 2026-07 BASIN OIL & GAS OPERATING, LLC 21 mo
2006-07 — 2024-10 GREAT WESTERN DRILLING COMPANY 220 mo

Wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
202BASIN OIL & GAS OPERATING, LLC28,0002007-12-31
101BASIN OIL & GAS OPERATING, LLC18,0002007-01-29
1BASIN OIL & GAS OPERATING, LLC18,1002006-05-26
201BASIN OIL & GAS OPERATING, LLC18,1002006-05-26