MAHAFFEY -B-

Oil · District 08 · Lease #27011

Operator: WAGNER & BROWN, LTD.

Fields: CONGER (PENN)

Cum Oil

22k BBL

Cum Gas

792k MCF

casinghead

Wells

5

Production

1993-01 — 2015-05

Peak Month

1994-12

Production History

Cum Oil: 22,118 BBL Cum Gas: 792,469 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

412 BBL/mo

Di (annual)

22.2%

b-factor

0.0

EUR

22,254 BBL

R-squared

0.779

type

exponential

Operator History (from monthly production reports)

2014-08 — 2016-05 EQT PRODUCTION TEXAS, LLC 22 mo
2004-01 — 2014-07 RANGE PRODUCTION COMPANY 127 mo
1993-01 — 2003-12 WAGNER & BROWN, LTD. 132 mo

Wells (5)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
510BURK ROYALTY CO., LTD.18,5002004-03-25
310BURK ROYALTY CO., LTD.18,6001983-05-17
410BURK ROYALTY CO., LTD.18,6001983-04-19
210BURK ROYALTY CO., LTD.18,6001982-04-12
110BURK ROYALTY CO., LTD.18,6001981-11-06