< leases

LANGE, WILLIAM A

Oil · District 03 · Lease #13284

Operator: WILDHORSE RESOURCES MNGT CO, LLC

Fields: GIDDINGS (AUSTIN CHALK-3)

Cum Oil

99k BBL

Cum Gas

1.9M MCF

casinghead

Wells

3

Production

1993-01 — 2026-03

Peak Month

1993-08

Production History

Cum Oil: 98,526 BBL Cum Gas: 1,872,212 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

928 BBL/mo

Di (annual)

59.7%

b-factor

1.1

EUR

70,336 BBL

R-squared

0.362

type

hyperbolic

Operator History (from monthly production reports)

2023-03 — 2026-07 WILDFIRE ENERGY OPERATING LLC 41 mo
2019-06 — 2023-02 CHESAPEAKE OPERATING, L.L.C. 45 mo
2017-07 — 2019-05 WILDHORSE RESOURCES MNGT CO, LLC 23 mo
2013-01 — 2017-06 ANADARKO E&P ONSHORE LLC 54 mo
2002-12 — 2012-12 ANADARKO E&P COMPANY LP 121 mo
2001-02 — 2002-11 RME PETROLEUM COMPANY 22 mo
1993-01 — 2001-01 UNION PACIFIC RESOURCES COMPANY 97 mo

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
142-051-30842WILDFIRE ENERGY OPERATING LLC311,9001992-04-13
342-051-32503WILDFIRE ENERGY OPERATING LLC18,5001983-08-02
242-051-31497WILDFIRE ENERGY OPERATING LLC18,9601981-04-07