CHALK -A-

Oil · District 08 · Lease #42210

Operator: ROVER PETROLEUM OPERATING, LLC

Cum Oil

86k BBL

Cum Gas

17k MCF

casinghead

Wells

12

Production

2011-12 — 2026-04

Peak Month

2011-12

Production History

Cum Oil: 86,190 BBL Cum Gas: 16,828 MCF

RRC production reported through Apr 2026 · recent months incomplete

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 (12)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
18GRAYROCK ENERGY II, LLC34,0012001-03-20
14GRAYROCK ENERGY II, LLC34,0012001-02-21
4GRAYROCK ENERGY II, LLC34,0012001-02-21
9GRAYROCK ENERGY II, LLC14,0012001-02-21
59WGRAYROCK ENERGY II, LLC13,5002001-02-14
15GRAYROCK ENERGY II, LLC14,0001998-01-16
12GRAYROCK ENERGY II, LLC14,0001998-01-15
10GRAYROCK ENERGY II, LLC14,0001997-11-18
17GRAYROCK ENERGY II, LLC23,8001997-03-10
1142-227-02288GRAYROCK ENERGY II, LLC------
242-227-02280GRAYROCK ENERGY II, LLC------
742-227-02285GRAYROCK ENERGY II, LLC------