WELDER "B"

Oil · District 02 · Lease #8575

Operator: XOG OPERATING LLC

Cum Oil

51k BBL

Cum Gas

40k MCF

casinghead

Wells

2

Production

1999-12 — 2016-04

Peak Month

2004-04

Production History

Cum Oil: 50,557 BBL Cum Gas: 40,367 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,881 BBL/mo

Di (annual)

94.0%

b-factor

0.2

EUR

29,974 BBL

R-squared

0.731

type

hyperbolic

Operator History (from monthly production reports)

2018-07 — 2026-07 FROSTWOOD ENERGY, LLC 97 mo
2016-04 — 2018-06 BAYLOR OPERATING, LLC 27 mo
2006-10 — 2016-03 XOG OPERATING LLC 114 mo
2003-09 — 2006-09 TE-RAY RESOURCES, INC. 37 mo
1999-12 — 2003-08 ATASCA RESOURCES, INC. 45 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
11AMERICAN COMETRA INC.58,5002003-12-03
14BAYLOR OPERATING LLC38,5002000-06-07