RICHARDSON 138

Gas · District 7C · Lease #173413

Operator: UPP OPERATING, LLC

Fields: SAWYER (STRAWN, NORTH)

Cum Oil

0 BBL

Cum Gas

1.3M MCF

Wells

1

Production

1999-06 — 2026-04

Peak Month

1999-06

Production History

Cum Oil: 0 BBL Cum Gas: 1,280,289 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

2001-12 — 2007-12 DOMINION OKLAHOMA TEXAS E&P, INC 73 mo

1999-06 — 2001-11 DREYFUS, LOUIS NATURAL GAS CORP 30 mo

Wells (1)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
12	42-435-34942	UPP OPERATING, LLC	1	8,400	1999-05-18