< leases

PORTER-DEMOTTIER UNIT

Oil · District 03 · Lease #21128

Operator: WILLIAMS, CLAYTON W., JR., INC.

Fields: GIDDINGS (AUSTIN CHALK-3)

Cum Oil

102k BBL

Cum Gas

422k MCF

casinghead

Wells

1

Production

1993-01 — 2026-03

Peak Month

1993-10

Production History

Cum Oil: 102,268 BBL Cum Gas: 422,473 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,027 BBL/mo

Di (annual)

44.5%

b-factor

2.0

EUR

159,169 BBL

R-squared

0.815

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
2016-12 — 2019-05 WILDHORSE RESOURCES MNGT CO, LLC 30 mo
1993-06 — 2016-11 WILLIAMS, CLAYTON ENERGY, INC. 282 mo
1993-05 — 1993-05 WILLIAMS, CLAYTON ENERGY, L.L.C 1 mo
1993-01 — 1993-04 WILLIAMS, CLAYTON W., JR., INC. 4 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
142-051-33234WILDFIRE ENERGY OPERATING LLC18,6001991-05-02