WELDER, E.H. MRS.

Oil · District 02 · Lease #8266

Operator: XOG OPERATING LLC

Fields: HEYSER (5400)

Cum Oil

97k BBL

Cum Gas

58k MCF

casinghead

Wells

1

Production

1996-08 — 2005-01

Peak Month

1997-06

Production History

Cum Oil: 96,558 BBL Cum Gas: 58,483 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,558 BBL/mo

Di (annual)

19.0%

b-factor

0.0

EUR

98,182 BBL

R-squared

0.338

type

exponential

Operator History (from monthly production reports)

2019-11 — 2026-07 B&L RESOURCES, L.L.C. 81 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
1996-08 — 2003-11 UNIT PETROLEUM COMPANY 88 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
49UNIT PETROLEUM COMPANY26,3801996-05-21