STERLING 'I' FEE

Oil · District 08 · Lease #40378

Operator: SLANT OPERATING, LLC

Cum Oil

8k BBL

Cum Gas

27k MCF

casinghead

Wells

2

Production

2010-01 — 2022-01

Peak Month

2010-08

Production History

Cum Oil: 7,673 BBL Cum Gas: 26,852 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

386 BBL/mo

Di (annual)

445.9%

b-factor

1.1

EUR

6,756 BBL

R-squared

0.509

type

hyperbolic

Operator History (from monthly production reports)

2022-01 — 2026-07 BURK ROYALTY CO., LTD. 55 mo
2021-08 — 2021-12 SLANT OPERATING, LLC 5 mo
2010-01 — 2021-07 CHEVRON U. S. A. INC. 139 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
7BURK ROYALTY CO., LTD.28,0652011-07-13
15BURK ROYALTY CO., LTD.28,1002009-08-25