REEF -A-

Oil · District 08 · Lease #4552

Operator: SABALO OPERATING, LLC

Cum Oil

220k BBL

Cum Gas

230k MCF

casinghead

Wells

4

Production

1993-01 — 2018-12

Peak Month

2006-03

Production History

Cum Oil: 219,756 BBL Cum Gas: 229,541 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,301 BBL/mo

Di (annual)

16.5%

b-factor

0.0

EUR

94,681 BBL

R-squared

0.511

type

exponential

Operator History (from monthly production reports)

2021-07 — 2022-10 LAREDO PETROLEUM, INC. 16 mo
2016-06 — 2021-06 SABALO OPERATING, LLC 61 mo
2004-11 — 2016-05 FINLEY RESOURCES, INC. 139 mo
2001-08 — 2004-10 CAMBRIAN MANAGEMENT LTD 39 mo
1994-11 — 2001-07 COASTAL MANAGEMENT CORPORATION 81 mo
1993-01 — 1994-10 PHILLIPS PETROLEUM COMPANY 22 mo

Wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1LAREDO PETROLEUM INC.28,2812005-07-27
5LAREDO PETROLEUM INC.18,2001981-01-30
242-227-02650LAREDO PETROLEUM INC.------
342-227-02651LAREDO PETROLEUM INC.------