O'KELLY

Oil · District 7B · Lease #28069

Operator: VENTEX OPERATING CORP.

Cum Oil

96k BBL

Cum Gas

16k MCF

casinghead

Wells

1

Production

1997-01 — 2026-04

Peak Month

1997-03

Production History

Cum Oil: 96,286 BBL Cum Gas: 16,426 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,273 BBL/mo

Di (annual)

22.9%

b-factor

0.4

EUR

102,922 BBL

R-squared

0.931

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 CORPORATION26,6001996-10-31