PHILLIPS

Oil · District 08 · Lease #42209

Operator: ROVER PETROLEUM OPERATING, LLC

Cum Oil

232k BBL

Cum Gas

0 MCF

Wells

9

Production

2011-12 — 2026-04

Peak Month

2011-12

Production History

Cum Oil: 232,387 BBL Cum Gas: 0 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,228 BBL/mo

Di (annual)

8.2%

b-factor

0.0

EUR

320,581 BBL

R-squared

0.756

type

exponential

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
2013-01 — 2017-05 MERIT ENERGY COMPANY 53 mo
2011-12 — 2012-12 CIMAREX ENERGY CO. OF COLORADO 13 mo

Wells (9)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
15WGRAYROCK ENERGY II, LLC12,6001987-11-12
14GRAYROCK ENERGY II, LLC12,5501978-02-06
142-173-00702GRAYROCK ENERGY II, LLC------
1042-173-10327GRAYROCK ENERGY II, LLC------
12W42-173-30102GRAYROCK ENERGY II, LLC------
1342-173-30429GRAYROCK ENERGY II, LLC------
242-173-00705GRAYROCK ENERGY II, LLC------
442-173-00707GRAYROCK ENERGY II, LLC------
742-173-00710GRAYROCK ENERGY II, LLC------