< leases

STERLING "P" FEE

Oil · District 08 · Lease #57976

Operator: BURK ROYALTY CO., LTD.

Fields: SPRABERRY (TREND AREA)

Cum Oil

5k BBL

Cum Gas

12k MCF

casinghead

Wells

6

Production

2020-11 — 2026-04

Peak Month

2022-04

Production History

Cum Oil: 4,700 BBL Cum Gas: 12,454 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

185 BBL/mo

Di (annual)

77.4%

b-factor

0.5

EUR

5,324 BBL

R-squared

0.485

type

hyperbolic

Operator History (from monthly production reports)

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

Wells (6)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
742-431-32482BURK ROYALTY CO., LTD.28,4502009-08-25
542-431-32002BURK ROYALTY CO., LTD.27,9502009-06-30
342-431-31930BURK ROYALTY CO., LTD.28,0002008-12-31
642-431-32483BURK ROYALTY CO., LTD.28,0002007-09-24
142-431-31554BURK ROYALTY CO., LTD.28,0502007-03-07
442-431-31929BURK ROYALTY CO., LTD.38,0502007-03-07