BLALOCK -33-

Oil · District 08 · Lease #27261

Operator: XTO ENERGY INC.

Fields: DEWEY LAKE (FUSSELMAN)

Cum Oil

63k BBL

Cum Gas

206k MCF

casinghead

Wells

1

Production

1993-01 — 2019-10

Peak Month

1997-07

Production History

Cum Oil: 63,395 BBL Cum Gas: 205,856 MCF

RRC production reported through Apr 2026 · recent months incomplete

Operator History (from monthly production reports)

2014-11 — 2021-03 XTO ENERGY INC. 77 mo

2014-07 — 2014-10 LINN OPERATING, INC. 4 mo

2012-02 — 2014-06 BERRY OIL COMP. 29 mo

2011-03 — 2012-01 ROCA OPERATING, INC. 11 mo

2010-07 — 2011-02 PIEDRA OPERATING, LLC 8 mo

2010-02 — 2010-06 ROCA OPERATING, INC. 5 mo

2009-03 — 2010-01 ADVENTURE EXPLORATION PTRS, LLC 11 mo

2006-01 — 2009-02 REX ENERGY OPERATING CORP. 38 mo

1993-01 — 2005-12 WESTAR ENERGY, INC. 156 mo

Wells (1)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
1	42-173-31198	XTO ENERGY INC.	1	10,970	1981-08-11