COLUMBUS FIELD UNIT

Oil · District 03 · Lease #23072

Operator: OXY USA INC.

Cum Oil

98k BBL

Cum Gas

120k MCF

casinghead

Wells

3

Production

1996-07 — 2001-08

Peak Month

1996-10

Production History

Cum Oil: 97,848 BBL Cum Gas: 119,831 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,489 BBL/mo

Di (annual)

28.3%

b-factor

0.0

EUR

105,395 BBL

R-squared

0.448

type

exponential

Operator History (from monthly production reports)

2002-04 — 2002-05 DEVON ENERGY OPERATING CO., L.P. 2 mo
2001-01 — 2002-03 MITCHELL ENERGY COMPANY L.P. 15 mo
1998-05 — 2000-12 MITCHELL ENERGY CORPORATION 32 mo
1996-07 — 1998-04 OXY USA INC. 22 mo

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1018OXY USA INC.810,8001999-12-13
61RUSK ENERGY OPERATING LLC18,4001996-10-04
1701RUSK ENERGY OPERATING LLC49,8191994-10-04