BLACK STONE MINERALS

Oil · District 03 · Lease #23746

Operator: TAG OPERATING COMPANY, INC.

Cum Oil

151k BBL

Cum Gas

113k MCF

casinghead

Wells

2

Production

1999-10 — 2026-03

Peak Month

2001-08

Production History

Cum Oil: 151,495 BBL Cum Gas: 113,098 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,998 BBL/mo

Di (annual)

41.4%

b-factor

0.7

EUR

133,339 BBL

R-squared

0.826

type

hyperbolic

Operator History (from monthly production reports)

1999-10 — 2026-07 TAG OPERATING COMPANY, INC. 322 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2TAG OPERATING COMPANY, INC.15,9032000-01-27
1TAG OPERATING COMPANY, INC.26,1001999-06-23