WELDER "A"

Oil · District 02 · Lease #8333

Operator: XOG OPERATING LLC

Fields: HEYSER (G-7)

Cum Oil

62k BBL

Cum Gas

71k MCF

casinghead

Wells

1

Production

1997-12 — 2016-03

Peak Month

1998-02

Production History

Cum Oil: 61,589 BBL Cum Gas: 70,587 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,949 BBL/mo

Di (annual)

37.7%

b-factor

0.0

EUR

62,088 BBL

R-squared

0.734

type

exponential

Operator History (from monthly production reports)

2019-11 — 2023-11 B&L RESOURCES, L.L.C. 49 mo

2018-07 — 2019-10 FROSTWOOD ENERGY, LLC 16 mo

2016-04 — 2018-06 BAYLOR OPERATING, LLC 27 mo

2005-07 — 2016-03 XOG OPERATING LLC 129 mo

2003-12 — 2005-06 XERIC OIL & GAS CORPORATION 19 mo

1997-12 — 2003-11 UNIT PETROLEUM COMPANY 72 mo

Wells (1)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
54	42-057-31574	B&L RESOURCES L.L.C.	1	6,500	1997-11-07