MARTHA

Oil · District 7C · Lease #15636

Operator: HENRY PETROLEUM LP

Cum Oil

278k BBL

Cum Gas

1.1M MCF

casinghead

Wells

5

Production

2004-12 — 2026-04

Peak Month

2010-09

Production History

Cum Oil: 278,090 BBL Cum Gas: 1,055,812 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

4,114 BBL/mo

Di (annual)

31.6%

b-factor

0.5

EUR

277,264 BBL

R-squared

0.528

type

hyperbolic

Operator History (from monthly production reports)

2009-01 — 2026-07 COG OPERATING LLC 211 mo
2004-12 — 2008-12 HENRY PETROLEUM LP 49 mo

Wells (5)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
6COG OPERATING LLC112,0002014-08-16
4COG OPERATING LLC111,0002010-03-25
3COG OPERATING LLC110,8002005-03-24
1COG OPERATING LLC110,8002004-07-23
2COG OPERATING LLC110,8002004-07-23