< leases

SMITH

Oil · District 8A · Lease #63625

Operator: ROBERTSON RESOURCES, INC.

Fields: LEVELLAND

Cum Oil

41k BBL

Cum Gas

335 MCF

casinghead

Wells

1

Production

1993-01 — 2026-04

Peak Month

1996-12

Production History

Cum Oil: 40,684 BBL Cum Gas: 335 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

183 BBL/mo

Di (annual)

6.0%

b-factor

0.0

EUR

34,686 BBL

R-squared

0.580

type

exponential

Operator History (from monthly production reports)

2023-12 — 2026-07 DOUBLE BARREL OIL LLC 32 mo
2000-01 — 2023-11 KALA OIL COMPANY 287 mo
1997-10 — 1999-12 NADEL AND GUSSMAN PERMIAN,L.L.C. 27 mo
1997-04 — 1997-09 ROBERTSON RESOURCES, INC. 6 mo
1994-01 — 1997-03 BUTLER, KEVIN O. & ASSOC., INC. 39 mo
1993-03 — 1993-12 BUTLER, KEVIN O. 10 mo
1993-01 — 1993-02 FELDERHOFF PRODUCTION COMPANY 2 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
142-219-33381DOUBLE BARREL OIL LLC14,8001981-11-30