COWDEN D

Oil · District 7C · Lease #17167

Operator: MARINER ENERGY, INC.

Cum Oil

137k BBL

Cum Gas

328k MCF

casinghead

Wells

3

Production

2010-04 — 2025-03

Peak Month

2010-07

Production History

Cum Oil: 137,394 BBL Cum Gas: 328,103 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,159 BBL/mo

Di (annual)

19.5%

b-factor

0.1

EUR

147,222 BBL

R-squared

0.726

type

hyperbolic

Operator History (from monthly production reports)

2010-12 — 2026-07 APACHE CORPORATION 188 mo
2010-04 — 2010-11 MARINER ENERGY, INC. 8 mo

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4APACHE CORPORATION111,0002010-08-24
5APACHE CORPORATION211,0002010-04-15
7APACHE CORPORATION211,0002010-02-10