COOPER -43-

Gas · District 08 · Lease #55978

Operator: XTO ENERGY INC.

Fields: BLOCK 16 (ELLEN.)

Cum Oil

0 BBL

Cum Gas

13.9M MCF

Wells

1

Production

1993-01 — 2026-04

Peak Month

1993-12

Production History

Cum Oil: 0 BBL Cum Gas: 13,867,985 MCF

RRC production reported through Apr 2026 · recent months incomplete

Operator History (from monthly production reports)

2025-05 — 2026-07 XTO ENERGY INC. 15 mo

2010-12 — 2025-04 APACHE CORPORATION 173 mo

2002-01 — 2010-11 BP AMERICA PRODUCTION COMPANY 107 mo

1994-06 — 2001-12 ARCO PERMIAN 91 mo

1993-01 — 1994-05 ARCO OIL & GAS CO. 17 mo

Wells (1)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
1 L	42-475-30531	XTO ENERGY INC.	1	16,590	1999-04-09