RATLIFF "B"

Oil · District 7C · Lease #12555

Operator: SUMMIT PETROLEUM LLC

Cum Oil

39k BBL

Cum Gas

172k MCF

casinghead

Wells

1

Production

1993-01 — 2013-08

Peak Month

1994-08

Production History

Cum Oil: 39,145 BBL Cum Gas: 172,476 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

337 BBL/mo

Di (annual)

10.9%

b-factor

0.3

EUR

47,465 BBL

R-squared

0.732

type

hyperbolic

Operator History (from monthly production reports)

2007-10 — 2018-03 LEGACY RESERVES OPERATING LP 126 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
1LEGACY RESERVES OPERATING LP18,6001988-08-03