BARRETT "D"

Oil · District 7C · Lease #12589

Operator: SUMMIT PETROLEUM LLC

Cum Oil

27k BBL

Cum Gas

172k MCF

casinghead

Wells

1

Production

1993-01 — 2015-03

Peak Month

1996-01

Production History

Cum Oil: 26,690 BBL Cum Gas: 171,727 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

371 BBL/mo

Di (annual)

27.4%

b-factor

0.5

EUR

28,420 BBL

R-squared

0.867

type

hyperbolic

Operator History (from monthly production reports)

2016-03 — 2019-08 PARSLEY ENERGY OPERATIONS, LLC 42 mo
2007-10 — 2016-02 LEGACY RESERVES OPERATING LP 101 mo
2007-05 — 2007-09 SUMMIT PETROLEUM LLC 5 mo
2001-04 — 2007-04 HENRY PETROLEUM LP 73 mo
1993-01 — 2001-03 HENRY PETROLEUM CORP. 99 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1PARSLEY ENERGY OPERATIONS LLC18,6001988-10-31