KLEBERG, R J JR TR ZACH PAST

Oil · District 04 · Lease #12306

Operator: EXXON MOBIL CORPORATION

Cum Oil

12k BBL

Cum Gas

135k MCF

casinghead

Wells

1

Production

1994-02 — 1999-11

Peak Month

1998-11

Production History

Cum Oil: 12,443 BBL Cum Gas: 134,510 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

552 BBL/mo

Di (annual)

95.5%

b-factor

0.0

EUR

6,924 BBL

R-squared

0.687

type

exponential

Operator History (from monthly production reports)

2000-04 — 2000-09 EXXON MOBIL CORPORATION 6 mo
1994-02 — 2000-03 EXXON CORP. 74 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
Z 4SEXXON MOBIL CORPORATION18,2041993-11-18