GAMBLE

Oil · District 7B · Lease #28070

Operator: VENTEX OPERATING CORP.

Cum Oil

128k BBL

Cum Gas

45k MCF

casinghead

Wells

1

Production

1997-01 — 2026-04

Peak Month

1997-03

Production History

Cum Oil: 128,454 BBL Cum Gas: 44,973 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,427 BBL/mo

Di (annual)

17.3%

b-factor

0.1

EUR

109,267 BBL

R-squared

0.664

type

hyperbolic

Operator History (from monthly production reports)

2014-02 — 2026-07 SOJOURNER DRILLING CORPORATION 150 mo
1997-01 — 2014-01 VENTEX OPERATING CORP. 205 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1SOJOURNER DRILLING CORPORATION14,9901996-12-02