MCGILL BROS.

Gas · District 4 · Lease #173275

Operator: EXXON MOBIL CORPORATION

Fields: KELSEY (FRIO CONSOL.) ,KELSEY, SOUTH (ZONE 21-A, W)

Cum Oil

0 BBL

Cum Gas

181k MCF

Wells

1

Production

1998-10 — 2004-08

Peak Month

1998-11

Production History

Cum Oil: 0 BBL Cum Gas: 181,372 MCF

Wells (1)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
431 D	42-427-30247	EXXON CORP.	4	6,540	1999-05-03