DOLPHIN 12

Oil · District 10 · Lease #40926

Operator: MARINER ENERGY, INC.

Cum Oil

97k BBL

Cum Gas

0 MCF

Wells

4

Production

2010-11 — 2026-03

Peak Month

2010-12

Production History

Cum Oil: 96,561 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

1,696 BBL/mo

Di (annual)

42.0%

b-factor

0.8

EUR

124,375 BBL

R-squared

0.636

type

hyperbolic

Wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
5APACHE CORPORATION110,7002013-04-11
4APACHE CORPORATION110,8002012-03-20
1MARINER ENERGY, INC.211,0002011-09-28
3APACHE CORPORATION111,0002011-08-23
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