IRVIN UNIT

Oil · District 7B · Lease #31257

Operator: VENTEX OPERATING CORP.

Cum Oil

7k BBL

Cum Gas

22k MCF

casinghead

Wells

1

Production

2011-07 — 2025-05

Peak Month

2011-12

Production History

Cum Oil: 6,733 BBL Cum Gas: 21,992 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

84 BBL/mo

Di (annual)

12.6%

b-factor

0.0

EUR

7,920 BBL

R-squared

0.474

type

exponential

Operator History (from monthly production reports)

2014-02 — 2026-07 SOJOURNER DRILLING CORPORATION 150 mo
2011-07 — 2014-01 VENTEX OPERATING CORP. 31 mo

Wells (1)

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