GRIBBINS

Oil · District 7B · Lease #30220

Operator: ROVER PETROLEUM OPERATING, LLC

Cum Oil

22k BBL

Cum Gas

408k MCF

casinghead

Wells

2

Production

2008-12 — 2026-04

Peak Month

2010-12

Production History

Cum Oil: 22,016 BBL Cum Gas: 407,510 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

378 BBL/mo

Di (annual)

38.2%

b-factor

0.6

EUR

24,191 BBL

R-squared

0.560

type

hyperbolic

Operator History (from monthly production reports)

2024-01 — 2026-07 GRAYROCK ENERGY II, LLC 31 mo
2017-06 — 2023-12 ROVER PETROLEUM OPERATING, LLC 79 mo
2011-12 — 2017-05 MERIT ENERGY COMPANY 66 mo
2009-05 — 2011-11 PLANTATION OPERATING, LLC 31 mo
2008-12 — 2009-04 L.C.S. PRODUCTION COMPANY 5 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1GGRAYROCK ENERGY II, LLC16,5002008-09-16
6 GGRAYROCK ENERGY II, LLC16,5002008-09-16