COWDEN E

Oil · District 7C · Lease #17058

Operator: MARINER ENERGY, INC.

Cum Oil

256k BBL

Cum Gas

1.6M MCF

casinghead

Wells

3

Production

2009-12 — 2024-11

Peak Month

2010-07

Production History

Cum Oil: 256,208 BBL Cum Gas: 1,583,201 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

4,848 BBL/mo

Di (annual)

27.1%

b-factor

0.1

EUR

238,611 BBL

R-squared

0.959

type

hyperbolic

Operator History (from monthly production reports)

2010-12 — 2026-07 APACHE CORPORATION 188 mo
2009-12 — 2010-11 MARINER ENERGY, INC. 12 mo

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
10APACHE CORPORATION210,9002010-04-23
5APACHE CORPORATION311,0002010-01-19
6APACHE CORPORATION111,0002009-11-09