STERLING 'T' FEE

Oil · District 08 · Lease #57988

Operator: BURK ROYALTY CO., LTD.

Cum Oil

28k BBL

Cum Gas

34k MCF

casinghead

Wells

7

Production

2020-11 — 2026-04

Peak Month

2025-10

Production History

Cum Oil: 28,081 BBL Cum Gas: 33,820 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

685 BBL/mo

Di (annual)

48.9%

b-factor

0.1

EUR

18,658 BBL

R-squared

0.483

type

hyperbolic

Operator History (from monthly production reports)

2020-11 — 2026-07 BURK ROYALTY CO., LTD. 68 mo

Wells (7)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
11BURK ROYALTY CO., LTD.28,2502014-12-03
5BURK ROYALTY CO., LTD.28,2952014-12-03
3BURK ROYALTY CO., LTD.28,4002014-11-25
12BURK ROYALTY CO., LTD.38,2502012-12-10
9BURK ROYALTY CO., LTD.28,3002010-03-16
13BURK ROYALTY CO., LTD.28,2402008-10-22
10BURK ROYALTY CO., LTD.28,3502008-03-25