FIRST NATIONAL BANK -A-

Oil · District 13 · Lease #16134

Operator: ROSS, DWIGHT M. DRLG. CO., INC.

Cum Oil

24k BBL

Cum Gas

0 MCF

Wells

6

Production

1993-01 — 2026-03

Peak Month

2014-08

Production History

Cum Oil: 24,002 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

365 BBL/mo

Di (annual)

277.7%

b-factor

1.2

EUR

10,651 BBL

R-squared

0.820

type

hyperbolic

Wells (6)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2AROSS, DWIGHT M. DRLG. CO., INC.13,9002001-06-20
1ROSS, DWIGHT M. DRLG. CO., INC.23,8101998-11-23
1WROSS, DWIGHT M. DRLG. CO., INC.23,8101998-11-23
5AROSS, DWIGHT M. DRLG. CO., INC.13,8001994-07-07
442-337-82572--------
4A42-337-82572--------
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