SAU 12-4

Oil · District 7C · Lease #13474

Operator: MARINER ENERGY, INC.

Cum Oil

180k BBL

Cum Gas

860k MCF

casinghead

Wells

5

Production

1993-06 — 2026-04

Peak Month

2014-08

Production History

Cum Oil: 179,967 BBL Cum Gas: 859,903 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,556 BBL/mo

Di (annual)

48.8%

b-factor

0.1

EUR

69,796 BBL

R-squared

0.923

type

hyperbolic

Operator History (from monthly production reports)

2010-12 — 2026-07 APACHE CORPORATION 188 mo
1996-07 — 2010-11 MARINER ENERGY, INC. 173 mo
1993-06 — 1996-06 HARDY OIL & GAS USA INC. 37 mo

Wells (5)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4DAPACHE CORPORATION18,2502013-12-05
4CAPACHE CORPORATION18,3002013-11-20
4AAPACHE CORPORATION110,0002008-09-10
4BAPACHE CORPORATION18,4002004-08-03
4APACHE CORPORATION18,4001993-05-25