< leases

THORNTON TRUST 4-60

Oil · District 08 · Lease #42880

Operator: WHITING OIL AND GAS CORPORATION

Fields: KERMIT, SOUTH (WOODFORD) ,PHANTOM (WOLFCAMP)

Cum Oil

16k BBL

Cum Gas

100k MCF

casinghead

Wells

2

Production

2010-11 — 2026-02

Peak Month

2011-08

Production History

Cum Oil: 15,576 BBL Cum Gas: 100,277 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

252 BBL/mo

Di (annual)

27.9%

b-factor

0.0

EUR

10,821 BBL

R-squared

0.311

type

exponential

Operator History (from monthly production reports)

2023-01 — 2026-07 PERMIAN RESOURCES OPERATING, LLC 43 mo
2016-11 — 2022-12 CENTENNIAL RESOURCE PROD, LLC 74 mo
2014-07 — 2016-10 SILVERBACK OPERATING, LLC 28 mo
2013-08 — 2014-06 BHP BILLITON PET(TXLA OP) CO 11 mo
2011-06 — 2013-07 PETROHAWK OPERATING COMPANY 26 mo
2011-01 — 2011-05 BHP BILLITON PET(TXLA OP) CO 5 mo
2010-11 — 2010-12 WHITING OIL AND GAS CORPORATION 2 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
142-389-32646PERMIAN RESOURCES OPERATING, LLC213,0002012-10-03
1V42-389-32646PERMIAN RESOURCES OPERATING, LLC213,0002012-10-03