BROWNING

Oil · District 8A · Lease #687

Operator: ROCKER A OPERATING COMPANY

Cum Oil

145k BBL

Cum Gas

8k MCF

casinghead

Wells

15

Production

1993-01 — 2026-03

Peak Month

2000-05

Production History

Cum Oil: 144,766 BBL Cum Gas: 8,434 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

580 BBL/mo

Di (annual)

2.9%

b-factor

0.0

EUR

183,191 BBL

R-squared

0.396

type

exponential

Operator History (from monthly production reports)

2022-09 — 2026-07 BURK ROYALTY CO., LTD. 47 mo
1998-12 — 2022-08 ROCKER A OPERATING COMPANY 285 mo
1993-01 — 1998-11 HRUBETZ OPERATING COMPANY 71 mo

Wells (15)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
10BURK ROYALTY CO., LTD.12,8002008-03-21
1STBURK ROYALTY CO., LTD.32,2152007-04-03
9BURK ROYALTY CO., LTD.12,3002001-03-21
1 SBURK ROYALTY CO., LTD.22,4002000-05-31
22WBURK ROYALTY CO., LTD.12,5501988-09-22
23WBURK ROYALTY CO., LTD.12,5001988-09-22
142-415-04694BURK ROYALTY CO., LTD.------
242-415-00455BURK ROYALTY CO., LTD.------
342-415-01554BURK ROYALTY CO., LTD.------
3W42-415-01554BURK ROYALTY CO., LTD.------
442-415-01555BURK ROYALTY CO., LTD.------
542-415-01556BURK ROYALTY CO., LTD.------
642-415-01557BURK ROYALTY CO., LTD.------
742-415-01558BURK ROYALTY CO., LTD.------
842-415-04696BURK ROYALTY CO., LTD.------