< leases

MONSON, MRS. S.

Oil · District 7B · Lease #11865

Operator: WINGROVE WELL SERVICE, INC.

Fields: LUEDERS, S. (BLUFF CREEK SD)

Cum Oil

40k BBL

Cum Gas

125 MCF

casinghead

Wells

2

Production

1993-01 — 2026-04

Peak Month

1993-12

Production History

Cum Oil: 39,672 BBL Cum Gas: 125 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

246 BBL/mo

Di (annual)

8.0%

b-factor

0.0

EUR

36,116 BBL

R-squared

0.429

type

exponential

Operator History (from monthly production reports)

2003-06 — 2026-07 MOMENTUM OPERATING CO., INC. 278 mo
1998-03 — 2003-05 WINGROVE WELL SERVICE, INC. 63 mo
1993-01 — 1998-02 CARR EXPLORATION CORP. 62 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
342-253-05893MOMENTUM OPERATING CO., INC.12,1002003-09-03
742-253-05895MOMENTUM OPERATING CO., INC.22,0001993-03-19