SAU 21-4

Oil · District 7C · Lease #14546

Operator: MARINER ENERGY, INC.

Cum Oil

103k BBL

Cum Gas

600k MCF

casinghead

Wells

3

Production

1997-04 — 2023-01

Peak Month

2005-09

Production History

Cum Oil: 103,444 BBL Cum Gas: 600,468 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,467 BBL/mo

Di (annual)

31.2%

b-factor

0.4

EUR

89,137 BBL

R-squared

0.844

type

hyperbolic

Operator History (from monthly production reports)

2010-12 — 2026-07 APACHE CORPORATION 188 mo
1997-04 — 2010-11 MARINER ENERGY, INC. 164 mo

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4BAPACHE CORPORATION18,4502005-06-27
4AAPACHE CORPORATION18,5002005-06-13
4APACHE CORPORATION18,2001996-11-26