VINEYARD, R.S.

Oil · District 03 · Lease #20583

Operator: XOG OPERATING LLC

Fields: HOLLYWOOD, S. (FRIO 7100)

Cum Oil

118k BBL

Cum Gas

42k MCF

casinghead

Wells

1

Production

1993-01 — 2007-02

Peak Month

1993-01

Production History

Cum Oil: 117,988 BBL Cum Gas: 42,465 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,741 BBL/mo

Di (annual)

37.5%

b-factor

0.0

EUR

55,727 BBL

R-squared

0.688

type

exponential

Operator History (from monthly production reports)

2005-07 — 2007-08 XOG OPERATING LLC 26 mo

2002-10 — 2005-06 XERIC OIL & GAS CORPORATION 33 mo

2001-08 — 2002-09 BROWN, C. DOUGLAS, LLC 14 mo

1993-01 — 2001-07 VOIGHT OIL COMPANY 103 mo

Wells (1)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
4	42-481-32366	XOG OPERATING LLC	1	7,850	1982-07-20