WAGGONER -I-

Oil · District 09 · Lease #6558

Operator: TWILCO OPERATING LLC

Cum Oil

57k BBL

Cum Gas

21 MCF

casinghead

Wells

9

Production

1993-01 — 2026-04

Peak Month

2003-03

Production History

Cum Oil: 56,763 BBL Cum Gas: 21 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

393 BBL/mo

Di (annual)

18.1%

b-factor

0.3

EUR

35,436 BBL

R-squared

0.935

type

hyperbolic

Operator History (from monthly production reports)

2022-05 — 2026-07 BURK ROYALTY CO., LTD. 51 mo
2016-09 — 2022-04 TWILCO OPERATING LLC 68 mo
2009-10 — 2016-08 GEN-SHER L.L.P. 83 mo
2004-06 — 2009-09 KELSEY OPERATING, INC. 64 mo
2003-05 — 2004-05 JKR OPERATING, LLC 13 mo
1995-12 — 2003-04 RIGGINS ENERGY INC. 89 mo
1993-01 — 1995-11 PLP OIL COMPANY, INC. 35 mo

Wells (9)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
13BURK ROYALTY CO., LTD.12,0001978-12-04
142-487-80507BURK ROYALTY CO., LTD.------
1042-487-80514BURK ROYALTY CO., LTD.------
242-487-80508BURK ROYALTY CO., LTD.------
542-487-80509BURK ROYALTY CO., LTD.------
642-487-80510BURK ROYALTY CO., LTD.------
742-487-80511BURK ROYALTY CO., LTD.------
842-487-80512BURK ROYALTY CO., LTD.------
942-487-80513BURK ROYALTY CO., LTD.------