GRINSTEAD

Oil · District 03 · Lease #25951

Operator: MAXIMUS OPERATING, LTD.

Cum Oil

34k BBL

Cum Gas

86k MCF

casinghead

Wells

1

Production

2011-06 — 2026-04

Peak Month

2011-10

Production History

Cum Oil: 33,641 BBL Cum Gas: 85,593 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

955 BBL/mo

Di (annual)

41.2%

b-factor

0.1

EUR

30,803 BBL

R-squared

0.548

type

hyperbolic

Operator History (from monthly production reports)

2025-02 — 2026-07 MAXIMUS OPERATING, LTD. 18 mo
2011-06 — 2025-01 BURK ROYALTY CO., LTD. 164 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1MAXIMUS OPERATING, LTD.213,0002011-03-03