< leases

DUNAGAN, J.A.

Oil · District 03 · Lease #16523

Operator: SANDSTONE ENERGY GROUP INC.

Fields: FELICIA, S. (YEGUA 11160)

Cum Oil

52k BBL

Cum Gas

404k MCF

casinghead

Wells

2

Production

1993-01 — 2023-07

Peak Month

2019-03

Production History

Cum Oil: 52,415 BBL Cum Gas: 404,093 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,255 BBL/mo

Di (annual)

75.5%

b-factor

0.0

EUR

19,940 BBL

R-squared

0.504

type

exponential

Operator History (from monthly production reports)

2023-05 — 2026-07 ROY JACKSON ENERGY OPERATING, LL 39 mo
2019-07 — 2023-04 ORO RESOURCES, LLC 46 mo
2018-11 — 2019-06 SANDSTONE ENERGY GROUP INC. 8 mo
2018-07 — 2018-10 DELUXE LEASE MAINT OF SE-TEXINC. 4 mo
2001-07 — 2018-06 NUECES PETROLEUM CORPORATION 204 mo
1994-01 — 2001-06 PERMIAN PACIFIC RESOURCES, INC. 90 mo
1993-01 — 1993-12 FULLERTON ENERGY CORPORATION 12 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
342-291-31760ROY JACKSON ENERGY OPERATING LL114,0001984-02-16
142-291-31586ROY JACKSON ENERGY OPERATING LL114,0001982-12-14