HALLMARK B

Oil · District 7B · Lease #29543

Operator: BLACKWATER OIL & GAS CORPORATION

Cum Oil

393 BBL

Cum Gas

1k MCF

casinghead

Wells

1

Production

2004-12 — 2005-09

Peak Month

2005-01

Production History

Cum Oil: 393 BBL Cum Gas: 1,387 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

84 BBL/mo

Di (annual)

460.4%

b-factor

0.0

EUR

220 BBL

R-squared

0.442

type

exponential

Operator History (from monthly production reports)

2004-12 — 2006-09 BLACKWATER OIL & GAS CORPORATION 22 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2BLACKWATER OIL & GAS CORPORATION33,9002012-08-08