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SB-A

Oil · District 8A · Lease #496

Operator: UNION OIL COMPANY OF CALIFORNIA

Fields: BROWNFIELD, SOUTH (CANYON)

Cum Oil

37k BBL

Cum Gas

31k MCF

casinghead

Wells

6

Production

1993-01 — 2016-11

Peak Month

2006-12

Production History

Cum Oil: 36,996 BBL Cum Gas: 30,803 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

627 BBL/mo

Di (annual)

101.4%

b-factor

0.6

EUR

16,682 BBL

R-squared

0.620

type

hyperbolic

Operator History (from monthly production reports)

2025-12 — 2026-07 AVIATOR ENERGY, LLC 8 mo
2024-03 — 2025-11 SIERRA LIMA OIL & GAS, LLC 21 mo
2011-10 — 2024-02 ENDEAVOR ENERGY RESOURCES L.P. 149 mo
2009-03 — 2011-09 ELEMENT PETROLEUM OPERATING, LLC 31 mo
2006-06 — 2009-02 MANHATTAN PETROLEUM, INC. 33 mo
2004-02 — 2006-05 SAMSON LONE STAR LP 28 mo
1999-02 — 2004-01 PHARAOH OIL & GAS, INC. 60 mo
1997-07 — 1999-01 TAYLOR, J. S. INC. 19 mo
1993-01 — 1997-06 UNION OIL COMPANY OF CALIFORNIA 54 mo

Wells (6)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
142-445-00668AVIATOR ENERGY LLC110,5002006-07-24
910642-445-00668AVIATOR ENERGY LLC110,5002006-07-24
910942-445-32135AVIATOR ENERGY LLC110,5002006-07-07
910742-445-32131AVIATOR ENERGY LLC110,5002006-06-09
910442-445-00504PHILLIPS PETROLEUM COMPANY110,5002006-05-25
910142-445-31209ENDEAVOR ENERGY RESOURCES L.P.214,7502006-05-18