CHALK, G. O.

Oil · District 08 · Lease #2834

Operator: WOOD, MCSHANE & THAMS

Cum Oil

211k BBL

Cum Gas

14k MCF

casinghead

Wells

21

Production

1993-01 — 2011-11

Peak Month

1993-01

Production History

Cum Oil: 210,596 BBL Cum Gas: 13,575 MCF

RRC production reported through Apr 2026 · recent months incomplete

Operator History (from monthly production reports)

2006-05 — 2013-07 CIMAREX ENERGY CO. OF COLORADO 87 mo
2002-04 — 2006-04 GRUY PETROLEUM MANAGEMENT CO. 49 mo
2000-03 — 2002-03 PRIZE OPERATING COMPANY 25 mo
1995-11 — 2000-02 VISTA RESOURCES, INC. (A) 52 mo
1993-01 — 1995-10 WOOD, MCSHANE & THAMS 34 mo

Wells (21)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
27GRAYROCK ENERGY II, LLC14,0001998-04-01
26GRAYROCK ENERGY II, LLC13,0001998-02-04
1042-227-03884GRAYROCK ENERGY II, LLC------
1242-227-10958GRAYROCK ENERGY II, LLC------
1342-227-10975GRAYROCK ENERGY II, LLC------
13W42-227-10975GRAYROCK ENERGY II, LLC------
1442-227-10976GRAYROCK ENERGY II, LLC------
1542-227-30012GRAYROCK ENERGY II, LLC------
1642-227-30013GRAYROCK ENERGY II, LLC------
1742-227-30133GRAYROCK ENERGY II, LLC------
1942-227-30132GRAYROCK ENERGY II, LLC------
19W42-227-30132GRAYROCK ENERGY II, LLC------
1 W42-227-30060GRAYROCK ENERGY II, LLC------
1W42-227-30060GRAYROCK ENERGY II, LLC------
2042-227-30157GRAYROCK ENERGY II, LLC------
2142-227-30156CIMAREX ENERGY CO. OF COLORADO------
2242-227-30158GRAYROCK ENERGY II, LLC------
29W42-227-30517CIMAREX ENERGY CO. OF COLORADO------
2W42-227-03857CIMAREX ENERGY CO. OF COLORADO------
342-227-01861CIMAREX ENERGY CO. OF COLORADO------
442-227-01881GRAYROCK ENERGY II, LLC------