TUBB ESTATE -B-

Oil · District 08 · Lease #35626

Operator: WHITE OAK OPERATING COMPANY LLC

Cum Oil

73k BBL

Cum Gas

147k MCF

casinghead

Wells

2

Production

1997-12 — 2017-09

Peak Month

1997-12

Production History

Cum Oil: 73,012 BBL Cum Gas: 146,558 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

4,812 BBL/mo

Di (annual)

365.6%

b-factor

0.9

EUR

68,534 BBL

R-squared

0.837

type

hyperbolic

Operator History (from monthly production reports)

2020-12 — 2026-07 AMEREDEV OPERATING, LLC 68 mo
2014-04 — 2020-11 IMPETRO OPERATING LLC 80 mo
2012-03 — 2014-03 WHITE OAK OPERATING COMPANY LLC 25 mo
2011-02 — 2012-02 VOYAGER GAS CORPORATION 13 mo
2001-11 — 2011-01 HERITAGE STANDARD CORPORATION 111 mo
1997-12 — 2001-10 HERITAGE RESOURCES, INC. 47 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3IMPETRO OPERATING LLC422,3002017-09-21
1022MATADOR PRODUCTION COMPANY520,0002017-03-20