SEALY "B"

Oil · District 09 · Lease #29568

Operator: WHITE OAK OPERATING COMPANY LLC

Cum Oil

56k BBL

Cum Gas

909k MCF

casinghead

Wells

5

Production

1998-06 — 2026-04

Peak Month

1999-05

Production History

Cum Oil: 55,602 BBL Cum Gas: 908,799 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

896 BBL/mo

Di (annual)

23.1%

b-factor

0.0

EUR

46,487 BBL

R-squared

0.781

type

exponential

Operator History (from monthly production reports)

2021-06 — 2026-07 LARGE OPERATING LLC 62 mo
2020-08 — 2021-05 EVEREST ENERGY LLC 10 mo
2018-11 — 2020-07 BIG MOUNTAIN OPERATING LLC 21 mo
2015-11 — 2018-10 WHITE OAK OPERATING COMPANY LLC 36 mo
2010-12 — 2015-10 MILAGRO EXPLORATION, LLC 59 mo
2000-12 — 2010-11 WG OPERATING, INC. 120 mo
1998-06 — 2000-11 JW ENERGY CO., LTD 30 mo

Wells (5)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
6LARGE OPERATING LLC15,7002006-03-20
5LARGE OPERATING LLC16,0001998-12-10
3LARGE OPERATING LLC27,2001998-08-20
4LARGE OPERATING LLC26,0001998-05-20
142-497-01384LARGE OPERATING LLC------