HOPPER, MARGARET ET AL

Oil · District 01 · Lease #13975

Operator: ROLLERT CO., INC., THE

Cum Oil

207k BBL

Cum Gas

0 MCF

Wells

3

Production

1995-06 — 2026-04

Peak Month

1996-05

Production History

Cum Oil: 206,931 BBL Cum Gas: 0 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,137 BBL/mo

Di (annual)

19.7%

b-factor

0.5

EUR

216,704 BBL

R-squared

0.932

type

hyperbolic

Operator History (from monthly production reports)

2000-11 — 2026-07 RBR OPERATING, INC. 309 mo
1995-06 — 2000-10 ROLLERT CO., INC., THE 65 mo

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
5RBR OPERATING, INC.12,7001996-04-11
3RBR OPERATING, INC.12,7001995-09-12
2RBR OPERATING, INC.12,7001995-06-06