IRVIN UNIT

Oil · District 7B · Lease #28147

Operator: VENTEX OPERATING CORP.

Cum Oil

64k BBL

Cum Gas

11k MCF

casinghead

Wells

1

Production

1997-03 — 2010-10

Peak Month

1997-05

Production History

Cum Oil: 64,248 BBL Cum Gas: 11,264 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,339 BBL/mo

Di (annual)

64.7%

b-factor

0.5

EUR

46,795 BBL

R-squared

0.722

type

hyperbolic

Operator History (from monthly production reports)

1997-03 — 2014-09 VENTEX OPERATING CORP. 211 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1VENTEX OPERATING CORP.44,9902013-01-04