GRESHAM UNIT

Oil · District 8A · Lease #67824

Operator: YOUNG, MARSHALL R., OIL CO.

Cum Oil

14k BBL

Cum Gas

70 MCF

casinghead

Wells

1

Production

1997-11 — 1998-12

Peak Month

1997-12

Production History

Cum Oil: 14,449 BBL Cum Gas: 70 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,775 BBL/mo

Di (annual)

394.3%

b-factor

0.3

EUR

12,093 BBL

R-squared

0.956

type

hyperbolic

Operator History (from monthly production reports)

2000-10 — 2026-07 ROGERS, S. K. OIL, INC. 310 mo
1997-11 — 2000-09 YOUNG, MARSHALL R., OIL CO. 35 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1YOUNG, MARSHALL R., OIL CO.210,0002003-01-07