MAYER

Gas · District 7C · Lease #142156

Operator: UPP OPERATING, LLC

Fields: SAWYER (CANYON)

Cum Oil

0 BBL

Cum Gas

350k MCF

Wells

1

Production

1993-01 — 2026-04

Peak Month

1993-05

Production History

Cum Oil: 0 BBL Cum Gas: 350,127 MCF

RRC production reported through Apr 2026 · recent months incomplete

Operator History (from monthly production reports)

2019-04 — 2026-07 UPP OPERATING, LLC 88 mo

2014-10 — 2019-03 ENERVEST OPERATING, L.L.C. 54 mo

2008-01 — 2014-09 HIGHMOUNT EXPL & PROD TEXAS LLC 81 mo

2003-12 — 2007-12 DOMINION OKLAHOMA TEXAS E&P, INC 49 mo

2002-07 — 2003-11 MERIT ENERGY COMPANY 17 mo

2001-07 — 2002-06 DEVON ENERGY PRODUCTION CO, L.P. 12 mo

1998-03 — 2001-06 CONCHO RESOURCES INC. 40 mo

1997-02 — 1998-02 COSTILLA ENERGY, INC. 13 mo

1996-06 — 1997-01 COSTILLA PETROLEUM CORPORATION 8 mo

1995-03 — 1996-05 PARKER & PARSLEY DEVELOPMENT L.P 15 mo

1993-01 — 1995-02 PARKER & PARSLEY DEVELOPMENT CO. 26 mo

Wells (1)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
1	42-413-31793	UPP OPERATING, LLC	1	7,600	1992-05-20