STERLING -S- FEE

Oil · District 08 · Lease #38401

Operator: SLANT OPERATING, LLC

Cum Oil

195k BBL

Cum Gas

405k MCF

casinghead

Wells

7

Production

2007-07 — 2022-01

Peak Month

2008-08

Production History

Cum Oil: 195,278 BBL Cum Gas: 405,273 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,643 BBL/mo

Di (annual)

8.2%

b-factor

0.0

EUR

237,748 BBL

R-squared

0.341

type

exponential

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
2007-07 — 2021-07 CHEVRON U. S. A. INC. 169 mo

Wells (7)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1BURK ROYALTY CO., LTD.28,3002010-07-13
4BURK ROYALTY CO., LTD.28,1202009-07-01
3BURK ROYALTY CO., LTD.28,0952008-10-22
6BURK ROYALTY CO., LTD.28,1552008-03-25
8BURK ROYALTY CO., LTD.18,1002007-09-06
5BURK ROYALTY CO., LTD.28,1002007-03-05
7BURK ROYALTY CO., LTD.28,1502007-03-05